修复了大量存在的问题，增加了假鸭子类型等等机制

2026-06-25 14:49:46 +08:00
parent 19f2787db0
commit d88d11b646
827 changed files with 32617 additions and 18316 deletions
--- a/20
+++ b/20
@@ -1,7 +1,23 @@
 更复杂的 泛型
 函数装饰器
-main 收集
+main 收集（和 导入模块的自动执行）
 元类型
@p.set
 函数的描述符用装饰器而不是返回值
-崩溃/返回作用域  回调
+崩溃/返回作用域  回调
+假鸭子
+# f-string 自动 snprintf
+__doc__
+自动索引
+testcheck默认中文
+
+vdebug 工具和 vsdt 工具
+多态 ops 允许单个函数拥有装饰器（可修改，走函数指针）
+协程关键字支持
+with出入多态
+哈希表
+内联快速迭代器
+出栈调用函数
+构造函数隐式参数
+小数组直接栈上创建+ i in [xxx]
+字符串索引
--- a/Test/BuddyTest/App/main.py
+++ b/Test/BuddyTest/App/main.py
@@ -0,0 +1,12 @@
+from stdint import *
+import w32.win32console
+import t, c
+from t import CInt, CExport
+import mbuddytest
+
+
+def main() -> CInt | CExport:
+    w32.win32console.SetConsoleCP(65001)
+    w32.win32console.SetConsoleOutputCP(65001)
+
+    return mbuddytest.mbuddy_main()
--- a/Test/BuddyTest/App/mbuddytest.py
+++ b/Test/BuddyTest/App/mbuddytest.py
@@ -0,0 +1,535 @@
+import t, c
+from t import CInt, CPtr, CChar, CUInt8T, CUInt32T, CUInt64T, CSizeT
+import viperlib
+import viperio
+import stdlib
+import mbuddy
+import string
+import testcheck
+import w32.win32process
+import w32.win32sync
+import w32.win32base
+
+
+# 线程函数: 在共享 MBuddy 上执行 alloc/free (测试 spinlock 线程安全)
+def _thread_alloc_free(param: t.CVoid | t.CPtr) -> t.CUInt32T:
+    bd: mbuddy.MBuddy | t.CPtr = (mbuddy.MBuddy | t.CPtr)(param)
+    i: CInt
+    for i in range(100):
+        p: bytes = bd.alloc(32)
+        if p != None:
+            p_c: CUInt8T | CPtr = CPtr(p)
+            p_c[0] = CUInt8T(i & 0xFF)
+            bd.free(p)
+    return 0
+
+
+def mbuddy_main() -> CInt:
+    buf: bytes = stdlib.malloc(256)
+
+    testcheck.begin("BuddyTest: 伙伴系统内存分配器测试")
+
+    # === 基础 alloc/free 测试 ===
+    testcheck.section("基础 alloc/free")
+    arena: bytes = stdlib.malloc(65536)
+    bd: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena, 65536)
+
+    viperlib.snprintf(buf, 256, "stats=%lu, free_count=%lu", bd.stats(), bd.free_count())
+    testcheck.info(buf)
+
+    p1: bytes = bd.alloc(16)
+    p2: bytes = bd.alloc(64)
+    p3: bytes = bd.alloc(256)
+    testcheck.check(p1 != None and p2 != None and p3 != None,
+                    "3 allocs OK", "alloc FAILED")
+
+    # 写入数据验证指针可用
+    p_c: CUInt8T | CPtr = CPtr(p1)
+    p_c[0] = CUInt8T(0xAB)
+    p_c[1] = CUInt8T(0xCD)
+    viperlib.snprintf(buf, 256, "p1[0]=0x%x p1[1]=0x%x", p_c[0], p_c[1])
+    testcheck.info(buf)
+    testcheck.check(p_c[0] == CUInt8T(0xAB) and p_c[1] == CUInt8T(0xCD),
+                    "write/read OK", "write/read FAILED")
+
+    bd.free(p1)
+    bd.free(p2)
+    bd.free(p3)
+    testcheck.ok("3 frees OK")
+
+    # 释放后验证合并: free_count 应回到 1 (单个大块)
+    testcheck.check(bd.free_count() == 1,
+                    "coalesce: free_count=1 OK", "coalesce: free_count != 1")
+
+    # 合并后应能分配大块
+    big: bytes = bd.alloc(16000)
+    testcheck.check(big != None, "big alloc OK", "big alloc FAILED")
+    bd.free(big)
+
+    stdlib.free(arena)
+
+    # === calloc 测试 (验证清零) ===
+    testcheck.section("calloc 清零")
+    arena2: bytes = stdlib.malloc(4096)
+    bd2: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena2, 4096)
+
+    dirty: bytes = bd2.alloc(64)
+    d_c: CUInt8T | CPtr = CPtr(dirty)
+    i: CInt
+    for i in range(64):
+        d_c[i] = CUInt8T(0xFF)
+    bd2.free(dirty)
+
+    cl: bytes = bd2.calloc(8, 8)
+    if cl != None:
+        cl_c: CUInt8T | CPtr = CPtr(cl)
+        all_zero: CInt = 1
+        j: CInt
+        for j in range(64):
+            if cl_c[j] != 0:
+                all_zero = 0
+                break
+        testcheck.check(all_zero == 1, "calloc zeroed OK", "calloc NOT zeroed")
+        bd2.free(cl)
+    else:
+        testcheck.fail("calloc FAILED")
+
+    stdlib.free(arena2)
+
+    # === realloc 扩展测试 ===
+    testcheck.section("realloc 扩展")
+    arena3: bytes = stdlib.malloc(4096)
+    bd3: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena3, 4096)
+
+    rp: bytes = bd3.alloc(32)
+    rp_c: CUInt8T | CPtr = CPtr(rp)
+    k: CInt
+    for k in range(32):
+        rp_c[k] = CUInt8T(k + 1)
+
+    rp2: bytes = bd3.realloc(rp, 128)
+    if rp2 != None:
+        rp2_c: CUInt8T | CPtr = CPtr(rp2)
+        ok: CInt = 1
+        m: CInt
+        for m in range(32):
+            if rp2_c[m] != CUInt8T(m + 1):
+                ok = 0
+                break
+        testcheck.check(ok == 1, "realloc grow data preserved OK", "realloc grow data LOST")
+        bd3.free(rp2)
+    else:
+        testcheck.fail("realloc grow FAILED")
+
+    stdlib.free(arena3)
+
+    # === 原地收缩测试 (验证无泄漏) ===
+    testcheck.section("原地收缩 (realloc shrink)")
+    arena_shrink: bytes = stdlib.malloc(4096)
+    bds: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_shrink, 4096)
+
+    sp: bytes = bds.alloc(256)
+    testcheck.check(sp != None, "alloc 256 OK", "alloc 256 FAILED")
+
+    fc_before: CSizeT = bds.free_count()
+    # realloc 到更小尺寸: 256+8=264 -> order 4 (512); 32+8=40 -> order 1 (64)
+    # new_order(1) <= old_order(4), 应原地返回同一指针
+    sp2: bytes = bds.realloc(sp, 32)
+    fc_after: CSizeT = bds.free_count()
+
+    testcheck.check(sp2 == sp, "shrink same ptr OK", "shrink ptr changed")
+    testcheck.check(fc_after == fc_before, "shrink no leak OK", "shrink LEAKED blocks")
+
+    # 验证数据仍可读写
+    sp_c: CUInt8T | CPtr = CPtr(sp2)
+    sp_c[0] = CUInt8T(0x42)
+    testcheck.check(sp_c[0] == CUInt8T(0x42), "shrink data OK", "shrink data FAILED")
+
+    bds.free(sp2)
+    testcheck.check(bds.free_count() == 1, "shrink+free coalesce OK", "shrink+free coalesce FAILED")
+
+    stdlib.free(arena_shrink)
+
+    # === 边界情况测试 ===
+    testcheck.section("边界情况")
+    arena4: bytes = stdlib.malloc(4096)
+    bd4: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena4, 4096)
+
+    # alloc(0) 应返回 None
+    z: bytes = bd4.alloc(0)
+    testcheck.check(z == None, "alloc(0)=None OK", "alloc(0) should be None")
+
+    # free(None) 应安全
+    bd4.free(None)
+    testcheck.ok("free(None) safe")
+
+    # realloc(None, size) 等价于 alloc
+    rn: bytes = bd4.realloc(None, 32)
+    testcheck.check(rn != None, "realloc(None)=alloc OK", "realloc(None) FAILED")
+    bd4.free(rn)
+
+    # realloc(ptr, 0) 等价于 free
+    rz: bytes = bd4.alloc(32)
+    rz2: bytes = bd4.realloc(rz, 0)
+    testcheck.check(rz2 == None, "realloc(ptr,0)=free OK", "realloc(ptr,0) should be None")
+
+    stdlib.free(arena4)
+
+    # === 非法指针防护测试 ===
+    testcheck.section("非法指针防护")
+    arena5: bytes = stdlib.malloc(4096)
+    bd5: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena5, 4096)
+
+    valid: bytes = bd5.alloc(32)
+    testcheck.check(valid != None, "alloc for illegal test OK", "alloc FAILED")
+
+    # 1. free 随机地址 (地址 1)
+    bd5.free(t.CVoid(t.CUInt64T(1), t.CPtr))
+    testcheck.ok("free(addr=1) ignored")
+
+    # 2. free NULL
+    bd5.free(None)
+    testcheck.ok("free(NULL) ignored")
+
+    # 3. free 越界指针 (arena 之前)
+    bd5.free(t.CVoid(t.CUInt64T(arena5), t.CPtr))
+    testcheck.ok("free(before arena) ignored")
+
+    # 4. free 越界指针 (arena 之后)
+    bd5.free(t.CVoid(t.CUInt64T(arena5) + 99999, t.CPtr))
+    testcheck.ok("free(after arena) ignored")
+
+    # 5. free 未对齐指针 (arena + 1, 在 mem 区域内但不对齐)
+    bd5.free(t.CVoid(t.CUInt64T(bd5.mem) + 1, t.CPtr))
+    testcheck.ok("free(misaligned) ignored")
+
+    # 6. 验证合法 free 仍正常工作 (释放后应能再次分配)
+    bd5.free(valid)
+    retry5: bytes = bd5.alloc(32)
+    testcheck.check(retry5 != None, "valid free still works OK", "valid free BROKEN")
+    if retry5 != None:
+        bd5.free(retry5)
+
+    # 7. realloc 非法指针应返回 None
+    r_illegal: bytes = bd5.realloc(t.CVoid(t.CUInt64T(1), t.CPtr), 64)
+    testcheck.check(r_illegal == None, "realloc(illegal)=None OK", "realloc(illegal) should be None")
+
+    stdlib.free(arena5)
+
+    # === OOM 内存耗尽测试 ===
+    testcheck.section("OOM 内存耗尽")
+    arena6: bytes = stdlib.malloc(4096)
+    bd6: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena6, 4096)
+
+    # 持续分配直到失败
+    alloc_count: CInt = 0
+    ptrs_arr: bytes = stdlib.malloc(8 * 256)  # 存储指针的数组
+    ptrs: CUInt64T | CPtr = CPtr(ptrs_arr)
+
+    while alloc_count < 256:
+        p: bytes = bd6.alloc(32)
+        if p == None:
+            break
+        ptrs[alloc_count] = t.CUInt64T(p)
+        alloc_count += 1
+
+    viperlib.snprintf(buf, 256, "allocated %d blocks before OOM", alloc_count)
+    testcheck.info(buf)
+    testcheck.check(alloc_count > 0, "OOM: got some allocs OK", "OOM: no allocs at all")
+
+    # 尝试再分配应失败
+    oom_p: bytes = bd6.alloc(32)
+    testcheck.check(oom_p == None, "OOM: alloc fails OK", "OOM: alloc should fail")
+
+    # 释放一个块后应能再次分配
+    if alloc_count > 0:
+        first_ptr: bytes = t.CVoid(ptrs[0], t.CPtr)
+        bd6.free(first_ptr)
+        retry: bytes = bd6.alloc(32)
+        testcheck.check(retry != None, "OOM: free+alloc OK", "OOM: free+alloc FAILED")
+        if retry != None:
+            bd6.free(retry)
+
+    # 释放所有块
+    idx: CInt = 1
+    while idx < alloc_count:
+        cur_p: bytes = t.CVoid(ptrs[idx], t.CPtr)
+        bd6.free(cur_p)
+        idx += 1
+
+    # 全部释放后应能合并回单个大块
+    testcheck.check(bd6.free_count() == 1,
+                    "OOM: full coalesce OK", "OOM: free_count != 1 after full free")
+
+    stdlib.free(ptrs_arr)
+    stdlib.free(arena6)
+
+    # === 空闲链表状态测试 ===
+    testcheck.section("空闲链表状态")
+    arena7: bytes = stdlib.malloc(4096)
+    bd7: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena7, 4096)
+
+    # 初始: 1 个大块
+    testcheck.check(bd7.free_count() == 1, "init: 1 free block OK", "init: free_count != 1")
+
+    # 分配后: 空闲块数应增加 (分裂产生多个小块)
+    a1: bytes = bd7.alloc(32)
+    fc1: CSizeT = bd7.free_count()
+    viperlib.snprintf(buf, 256, "after alloc(32): free_count=%lu", fc1)
+    testcheck.info(buf)
+    testcheck.check(fc1 > 1, "after alloc: split OK", "after alloc: no split")
+
+    # 再分配
+    a2: bytes = bd7.alloc(32)
+    fc2: CSizeT = bd7.free_count()
+    testcheck.check(fc2 >= 1, "after 2nd alloc: free >= 1 OK", "after 2nd alloc: free < 1")
+
+    # 释放 a1: 空闲块数应增加
+    bd7.free(a1)
+    fc3: CSizeT = bd7.free_count()
+    testcheck.check(fc3 > fc2, "after free a1: free increased OK", "after free a1: free not increased")
+
+    # 释放 a2: 应合并, 空闲块数回到 1
+    bd7.free(a2)
+    testcheck.check(bd7.free_count() == 1,
+                    "after free all: coalesced to 1 OK", "after free all: free_count != 1")
+
+    stdlib.free(arena7)
+
+    # === with 上下文管理器测试 ===
+    testcheck.section("with 上下文管理器")
+    arena8: bytes = stdlib.malloc(4096)
+    with mbuddy.MBuddy(arena8, 4096) as wbd:
+        wp1: bytes = wbd.alloc(32)
+        wp2: bytes = wbd.alloc(64)
+        testcheck.check(wp1 != None and wp2 != None,
+                        "with: allocs OK", "with: allocs FAILED")
+        # 退出 with 块时 __exit__ 自动 reset
+
+    # 退出后重新进入，验证 reset 生效
+    with mbuddy.MBuddy(arena8, 4096) as wbd2:
+        wp3: bytes = wbd2.alloc(1024)
+        testcheck.check(wp3 != None, "with: reset+realloc OK", "with: reset+realloc FAILED")
+
+    stdlib.free(arena8)
+
+    # === 双重 free 检测测试 ===
+    testcheck.section("双重 free 检测")
+    arena_df: bytes = stdlib.malloc(4096)
+    bd_df: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_df, 4096)
+
+    df: bytes = bd_df.alloc(64)
+    testcheck.check(df != None, "df: alloc OK", "df: alloc FAILED")
+
+    # 第一次 free
+    bd_df.free(df)
+    fc_df1: CSizeT = bd_df.free_count()
+    testcheck.ok("first free OK")
+
+    # 第二次 free (双重 free) — 应被静默拒绝
+    bd_df.free(df)
+    fc_df2: CSizeT = bd_df.free_count()
+    testcheck.check(fc_df2 == fc_df1, "double free rejected OK", "double free CORRUPTED state")
+
+    # 验证分配器仍正常工作
+    df2: bytes = bd_df.alloc(64)
+    testcheck.check(df2 != None, "df: alloc after double-free OK", "df: alloc after double-free FAILED")
+    if df2 != None:
+        bd_df.free(df2)
+
+    stdlib.free(arena_df)
+
+    # === 自检功能测试 ===
+    testcheck.section("自检功能")
+    arena_sc: bytes = stdlib.malloc(4096)
+    bd_sc: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_sc, 4096)
+
+    # 初始状态自检
+    testcheck.check(bd_sc.self_check() == 0, "self_check init OK", "self_check init FAILED")
+
+    # 分配后自检
+    sc_p1: bytes = bd_sc.alloc(32)
+    sc_p2: bytes = bd_sc.alloc(128)
+    testcheck.check(bd_sc.self_check() == 0, "self_check after alloc OK", "self_check after alloc FAILED")
+
+    # 部分释放后自检
+    bd_sc.free(sc_p1)
+    testcheck.check(bd_sc.self_check() == 0, "self_check after partial free OK", "self_check after partial free FAILED")
+
+    # 全部释放后自检 (应合并回单个大块)
+    bd_sc.free(sc_p2)
+    testcheck.check(bd_sc.self_check() == 0, "self_check after full free OK", "self_check after full free FAILED")
+
+    # 双重 free 后自检 (验证状态未损坏)
+    sc_p3: bytes = bd_sc.alloc(64)
+    bd_sc.free(sc_p3)
+    bd_sc.free(sc_p3)  # 双重 free，应被拒绝
+    testcheck.check(bd_sc.self_check() == 0, "self_check after double-free OK", "self_check after double-free CORRUPTED")
+
+    stdlib.free(arena_sc)
+
+    # === 并发多线程测试 (spinlock) ===
+    testcheck.section("并发多线程 (spinlock)")
+    arena_mt: bytes = stdlib.malloc(65536)
+    bd_mt: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_mt, 65536)
+
+    NUM_THREADS: CInt = 4
+    handles_arr: bytes = stdlib.malloc(8 * 4)
+    handles: CUInt64T | CPtr = CPtr(handles_arr)
+    tid: CUInt32T = 0
+
+    # 创建 4 个线程并发 alloc/free
+    t_idx: CInt
+    for t_idx in range(NUM_THREADS):
+        h: bytes = w32.win32process.CreateThread(None, 0, _thread_alloc_free, t.CVoid(t.CUInt64T(bd_mt), t.CPtr), 0, c.Addr(tid))
+        handles[t_idx] = CUInt64T(h)
+
+    # 等待所有线程完成
+    for t_idx in range(NUM_THREADS):
+        h: bytes = t.CVoid(handles[t_idx], t.CPtr)
+        w32.win32sync.WaitForSingleObject(h, w32.win32base.INFINITE)
+        w32.win32base.CloseHandle(h)
+
+    # 验证分配器状态: 自检通过，所有块已合并
+    testcheck.check(bd_mt.self_check() == 0, "mt: self_check OK", "mt: self_check FAILED")
+    testcheck.check(bd_mt.free_count() == 1, "mt: free_count=1 OK", "mt: free_count != 1 (leaked)")
+
+    viperlib.snprintf(buf, 256, "mt: free_count=%lu", bd_mt.free_count())
+    testcheck.info(buf)
+
+    stdlib.free(handles_arr)
+    stdlib.free(arena_mt)
+
+    # === 极端边界测试 ===
+    testcheck.section("极端边界")
+
+    # 1. 分配尺寸恰巧是块边界
+    arena_ex: bytes = stdlib.malloc(4096)
+    bd_ex: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_ex, 4096)
+
+    # 24 + 8 = 32 = MIN_BLOCK, 恰好填满 order 0 块
+    exact_fit: bytes = bd_ex.alloc(24)
+    testcheck.check(exact_fit != None, "exact fit order 0 OK", "exact fit order 0 FAILED")
+
+    # 25 + 8 = 33 > 32, 需要 order 1 (64 字节)
+    over_fit: bytes = bd_ex.alloc(25)
+    testcheck.check(over_fit != None, "over by 1 byte OK", "over by 1 byte FAILED")
+
+    bd_ex.free(exact_fit)
+    bd_ex.free(over_fit)
+    testcheck.check(bd_ex.free_count() == 1, "boundary: coalesce OK", "boundary: coalesce FAILED")
+
+    # 2. 单次分配接近 arena 上限
+    max_usable: CSizeT = bd_ex.mem_size - 8
+    viperlib.snprintf(buf, 256, "mem_size=%lu, max_usable=%lu", bd_ex.mem_size, max_usable)
+    testcheck.info(buf)
+
+    # 恰好用完整个 arena
+    exact_max: bytes = bd_ex.alloc(max_usable)
+    testcheck.check(exact_max != None, "exact max alloc OK", "exact max alloc FAILED")
+    testcheck.check(bd_ex.free_count() == 0, "max alloc: arena full OK", "max alloc: arena not full")
+
+    bd_ex.free(exact_max)
+    testcheck.check(bd_ex.free_count() == 1, "max free: coalesce OK", "max free: coalesce FAILED")
+
+    # 再次分配同样大小 — 验证合并后可再次使用
+    exact_max2: bytes = bd_ex.alloc(max_usable)
+    testcheck.check(exact_max2 != None, "exact max re-alloc OK", "exact max re-alloc FAILED")
+    bd_ex.free(exact_max2)
+
+    # 3. 分配超过 arena 上限 — 应失败
+    over_max: bytes = bd_ex.alloc(bd_ex.mem_size)
+    testcheck.check(over_max == None, "over max: fails OK", "over max: should fail")
+
+    over_max2: bytes = bd_ex.alloc(max_usable + 1)
+    testcheck.check(over_max2 == None, "max+1: fails OK", "max+1: should fail")
+
+    stdlib.free(arena_ex)
+
+    # 4. Arena 太小 (仅够 free_lists 开销, 264 字节)
+    arena_tiny: bytes = stdlib.malloc(264)
+    bd_tiny: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_tiny, 264)
+    testcheck.check(bd_tiny.stats() == 0, "tiny arena: stats=0 OK", "tiny arena: stats != 0")
+    tiny_p: bytes = bd_tiny.alloc(32)
+    testcheck.check(tiny_p == None, "tiny arena: alloc fails OK", "tiny arena: should fail")
+    stdlib.free(arena_tiny)
+
+    # 5. Arena 刚好够一个最小块 (264 + 32 = 296)
+    arena_one: bytes = stdlib.malloc(296)
+    bd_one: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_one, 296)
+    testcheck.check(bd_one.stats() == 32, "one block: stats=32 OK", "one block: stats != 32")
+
+    one_p: bytes = bd_one.alloc(24)
+    testcheck.check(one_p != None, "one block: alloc OK", "one block: alloc FAILED")
+
+    one_p2: bytes = bd_one.alloc(24)
+    testcheck.check(one_p2 == None, "one block: OOM OK", "one block: should be OOM")
+
+    bd_one.free(one_p)
+    testcheck.check(bd_one.free_count() == 1, "one block: free OK", "one block: free FAILED")
+    stdlib.free(arena_one)
+
+    # 6. 2 的幂 arena vs 非 2 的幂 arena
+    arena_pow2: bytes = stdlib.malloc(512)
+    bd_pow2: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_pow2, 512)
+    # 512 - 264 = 248, largest_pow2(248) = 128
+    testcheck.check(bd_pow2.stats() == 128, "pow2 arena: stats=128 OK", "pow2 arena: stats != 128")
+    stdlib.free(arena_pow2)
+
+    arena_non2: bytes = stdlib.malloc(500)
+    bd_non2: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_non2, 500)
+    # 500 - 264 = 236, largest_pow2(236) = 128
+    testcheck.check(bd_non2.stats() == 128, "non-pow2 arena: stats=128 OK", "non-pow2 arena: stats != 128")
+    stdlib.free(arena_non2)
+
+    # 7. 压力测试: 反复 alloc/free 同一尺寸 1000 次
+    arena_stress: bytes = stdlib.malloc(4096)
+    bd_stress: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_stress, 4096)
+
+    s: CInt
+    for s in range(1000):
+        sp: bytes = bd_stress.alloc(64)
+        if sp != None:
+            sp_c: CUInt8T | CPtr = CPtr(sp)
+            sp_c[0] = CUInt8T(s & 0xFF)
+            bd_stress.free(sp)
+
+    testcheck.check(bd_stress.self_check() == 0, "stress: self_check OK", "stress: self_check FAILED")
+    testcheck.check(bd_stress.free_count() == 1, "stress: free_count=1 OK", "stress: leaked")
+    stdlib.free(arena_stress)
+
+    # 8. 分配全部最小块然后全部释放
+    arena_fill: bytes = stdlib.malloc(4096)
+    bd_fill: mbuddy.MBuddy | CPtr = mbuddy.MBuddy(arena_fill, 4096)
+
+    fill_count: CInt = 0
+    fill_ptrs_arr: bytes = stdlib.malloc(8 * 256)
+    fill_ptrs: CUInt64T | CPtr = CPtr(fill_ptrs_arr)
+
+    fc: CInt
+    for fc in range(256):
+        fp: bytes = bd_fill.alloc(24)
+        if fp == None:
+            break
+        fill_ptrs[fill_count] = t.CUInt64T(fp)
+        fill_count += 1
+
+    viperlib.snprintf(buf, 256, "fill: %d min blocks allocated", fill_count)
+    testcheck.info(buf)
+    testcheck.check(fill_count > 0, "fill: got blocks OK", "fill: no blocks")
+    testcheck.check(bd_fill.self_check() == 0, "fill: self_check OK", "fill: self_check FAILED")
+
+    # 全部释放
+    fi: CInt
+    for fi in range(fill_count):
+        fp2: bytes = t.CVoid(fill_ptrs[fi], t.CPtr)
+        bd_fill.free(fp2)
+
+    testcheck.check(bd_fill.free_count() == 1, "fill: all freed OK", "fill: leaked after free all")
+    testcheck.check(bd_fill.self_check() == 0, "fill: self_check after free OK", "fill: self_check FAILED")
+
+    stdlib.free(fill_ptrs_arr)
+    stdlib.free(arena_fill)
+
+    stdlib.free(buf)
+    return testcheck.end()
--- a/Test/BuddyTest/output/067c78e9f121dce3.deps.json
+++ b/Test/BuddyTest/output/067c78e9f121dce3.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1"}
--- a/Test/BuddyTest/output/271ea3decb810db2.deps.json
+++ b/Test/BuddyTest/output/271ea3decb810db2.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/29813d57621099a9.deps.json
+++ b/Test/BuddyTest/output/29813d57621099a9.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1"}
--- a/Test/BuddyTest/output/5a6a2137958c28c5.deps.json
+++ b/Test/BuddyTest/output/5a6a2137958c28c5.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/5e430ae5bf7af3a2.deps.json
+++ b/Test/BuddyTest/output/5e430ae5bf7af3a2.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/70b580331b822117.deps.json
+++ b/Test/BuddyTest/output/70b580331b822117.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/72e2d5ccb7cedcf1.deps.json
+++ b/Test/BuddyTest/output/72e2d5ccb7cedcf1.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1"}
--- a/Test/BuddyTest/output/9dbecd0942a39782.deps.json
+++ b/Test/BuddyTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/abf9ce3160c9279e.deps.json
+++ b/Test/BuddyTest/output/abf9ce3160c9279e.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e"}
--- a/Test/BuddyTest/output/b5f1dc665c52a1bd.deps.json
+++ b/Test/BuddyTest/output/b5f1dc665c52a1bd.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/bbdf3bbd4c3bc28c.deps.json
+++ b/Test/BuddyTest/output/bbdf3bbd4c3bc28c.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/c53a157505aa8081.deps.json
+++ b/Test/BuddyTest/output/c53a157505aa8081.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/c9f4be41ca1cc2b4.deps.json
+++ b/Test/BuddyTest/output/c9f4be41ca1cc2b4.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/e1937873ebfba8c3.deps.json
+++ b/Test/BuddyTest/output/e1937873ebfba8c3.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3"}
--- a/Test/BuddyTest/output/fa3691e66b426950.deps.json
+++ b/Test/BuddyTest/output/fa3691e66b426950.deps.json
@@ -0,0 +1 @@
+{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950"}
--- a/Test/BuddyTest/project.json
+++ b/Test/BuddyTest/project.json
@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "BuddyTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "temp_dir": "./temp",
+    "output_dir": "./output",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32", "-Wl,--allow-multiple-definition"],
+        "output": "BuddyTest.exe"
+    },
+    "includes": [
+        "./includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}
--- a/Test/TestProject/temp/067c78e9f121dce3.pyi
+++ b/Test/TestProject/temp/067c78e9f121dce3.pyi
--- a/Test/BuddyTest/temp/271ea3decb810db2.pyi
+++ b/Test/BuddyTest/temp/271ea3decb810db2.pyi
@@ -0,0 +1,26 @@
+"""
+Auto-generated Python stub file from atom.py
+Module: atom
+"""
+
+
+import t, c
+
+ATOMIC_RELAXED: t.CDefine = 0
+ATOMIC_CONSUME: t.CDefine = 1
+ATOMIC_ACQUIRE: t.CDefine = 2
+ATOMIC_RELEASE: t.CDefine = 3
+ATOMIC_ACQ_REL: t.CDefine = 4
+ATOMIC_SEQ_CST: t.CDefine = 5
+
+def __atomic_test_and_set(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CBool: pass
+
+def __atomic_clear(ptr: t.CUInt64T | t.CPtr, order: t.CInt) -> t.CVoid: pass
+
+def __atomic_thread_fence(order: t.CInt) -> t.CVoid: pass
+
+def __atomic_signal_fence(order: t.CInt) -> t.CVoid: pass
+
+def __atomic_always_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool: pass
+
+def __atomic_is_lock_free(size: t.CSizeT, ptr: t.CVoid | t.CPtr) -> t.CBool: pass
--- a/Test/TestProject/temp/29813d57621099a9.pyi
+++ b/Test/TestProject/temp/29813d57621099a9.pyi
--- a/Test/BuddyTest/temp/49bd8cba55979f76.pyi
+++ b/Test/BuddyTest/temp/49bd8cba55979f76.pyi
@@ -64,4 +64,12 @@ CHAR16: t.CTypedef = t.CChar16T
 CHAR32: t.CTypedef = t.CChar32T
 CHAR8PTR: t.CTypedef = t.CChar8T | t.CPtr
 CHAR16PTR: t.CTypedef = t.CChar16T | t.CPtr
-CHAR32PTR: t.CTypedef = t.CChar32T | t.CPtr
+CHAR32PTR: t.CTypedef = t.CChar32T | t.CPtr
+i8: t.CTypedef = t.CInt8T
+i16: t.CTypedef = t.CInt16T
+i32: t.CTypedef = t.CInt32T
+i64: t.CTypedef = t.CInt64T
+u8: t.CTypedef = t.CUInt8T
+u16: t.CTypedef = t.CUInt16T
+u32: t.CTypedef = t.CUInt32T
+u64: t.CTypedef = t.CUInt64T
--- a/Test/TestProject/temp/5a6a2137958c28c5.pyi
+++ b/Test/TestProject/temp/5a6a2137958c28c5.pyi
--- a/Test/BuddyTest/temp/5e430ae5bf7af3a2.pyi
+++ b/Test/BuddyTest/temp/5e430ae5bf7af3a2.pyi
@@ -0,0 +1,13 @@
+"""
+Auto-generated Python stub file from main.py
+Module: main
+"""
+
+
+from stdint import *
+import w32.win32console
+import t, c
+from t import CInt, CExport
+import mbuddytest
+
+def main() -> CInt | CExport: pass
--- a/Test/TestProject/temp/6c2029b306556c00.pyi
+++ b/Test/TestProject/temp/6c2029b306556c00.pyi
--- a/Test/TestProject3/temp/2953a7db4185005b.pyi
+++ b/Test/TestProject3/temp/2953a7db4185005b.pyi
--- a/Test/BuddyTest/temp/71e0a3ffcb3ebfad.pyi
+++ b/Test/BuddyTest/temp/71e0a3ffcb3ebfad.pyi
@@ -0,0 +1,20 @@
+"""
+Auto-generated Python stub file from stdarg.py
+Module: stdarg
+"""
+
+import c
+
+
+import t
+
+def va_start(args: t.CPtr, last_arg: t.CPtr) -> t.State: pass
+
+def va_arg(args: t.CPtr, type: t.CPtr) -> t.CPtr | t.State: pass
+
+def va_end(args: t.CPtr) -> t.State | t.State: pass
+
+
+va_list: t.CTypedef = t.CUnsignedChar | t.CPtr
+
+def arg(type: t.CType) -> t.State: pass
--- a/Test/TestProject/temp/72e2d5ccb7cedcf1.pyi
+++ b/Test/TestProject/temp/72e2d5ccb7cedcf1.pyi
--- a/Test/BuddyTest/temp/73edbcf76e32d00b.pyi
+++ b/Test/BuddyTest/temp/73edbcf76e32d00b.pyi
@@ -0,0 +1,28 @@
+"""
+Auto-generated Python stub file from stdio.py
+Module: stdio
+"""
+
+
+import t, c
+
+def printf(fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fprintf(stream: t.CVoid | t.CPtr, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def sprintf(buf: t.CChar | t.CPtr, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def snprintf(buf: t.CChar | t.CPtr, size: t.CSizeT, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def puts(s: t.CChar | t.CConst | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fputs(s: t.CChar | t.CConst | t.CPtr, stream: t.CVoid | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fgets(buf: t.CChar | t.CPtr, size: t.CInt, stream: t.CVoid | t.CPtr) -> t.CChar | t.CPtr | t.CExtern | t.CExport: pass
+
+def fflush(stream: t.CVoid | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+
+stdin: t.CExtern | t.CVoid | t.CPtr
+stdout: t.CExtern | t.CVoid | t.CPtr
+stderr: t.CExtern | t.CVoid | t.CPtr
--- a/Test/BuddyTest/temp/9dbecd0942a39782.pyi
+++ b/Test/BuddyTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/BuddyTest/temp/_sha1_map.txt
+++ b/Test/BuddyTest/temp/_sha1_map.txt
@@ -0,0 +1,16 @@
+067c78e9f121dce3:includes/w32\win32process.py
+271ea3decb810db2:includes/atom.py
+29813d57621099a9:includes/w32\win32sync.py
+49bd8cba55979f76:includes/stdint.py
+5a6a2137958c28c5:includes/w32\win32base.py
+5e430ae5bf7af3a2:main.py
+6c2029b306556c00:includes/stdlib.py
+70b580331b822117:includes/viperlib.py
+71e0a3ffcb3ebfad:includes/stdarg.py
+73edbcf76e32d00b:includes/stdio.py
+9dbecd0942a39782:includes/testcheck.py
+b5f1dc665c52a1bd:includes/string.py
+bbdf3bbd4c3bc28c:includes/w32\win32console.py
+c53a157505aa8081:mbuddytest.py
+c9f4be41ca1cc2b4:includes/viperio.py
+e1937873ebfba8c3:includes/mbuddy.py
--- a/Test/BuddyTest/temp/_shared_sym.json
+++ b/Test/BuddyTest/temp/_shared_sym.json
--- a/Test/TestProject/temp/abf9ce3160c9279e.pyi
+++ b/Test/TestProject/temp/abf9ce3160c9279e.pyi
--- a/Test/BuddyTest/temp/b5f1dc665c52a1bd.pyi
+++ b/Test/BuddyTest/temp/b5f1dc665c52a1bd.pyi
@@ -41,4 +41,4 @@ def atoll(src: str) -> t.CInt64T: pass

 def atof(src: str) -> t.CDouble: pass

-def split(s: str, delim: str, result: list[str]) -> int: pass
+def split(s: str, delim: str, result: t.CArray[str]) -> int: pass
--- a/Test/TestProject/temp/bbdf3bbd4c3bc28c.pyi
+++ b/Test/TestProject/temp/bbdf3bbd4c3bc28c.pyi
--- a/Test/BuddyTest/temp/c53a157505aa8081.pyi
+++ b/Test/BuddyTest/temp/c53a157505aa8081.pyi
@@ -0,0 +1,21 @@
+"""
+Auto-generated Python stub file from mbuddytest.py
+Module: mbuddytest
+"""
+
+
+import t, c
+from t import CInt, CPtr, CChar, CUInt8T, CUInt32T, CUInt64T, CSizeT
+import viperlib
+import viperio
+import stdlib
+import mbuddy
+import string
+import testcheck
+import w32.win32process
+import w32.win32sync
+import w32.win32base
+
+def _thread_alloc_free(param: t.CVoid | t.CPtr) -> t.CUInt32T: pass
+
+def mbuddy_main() -> CInt: pass
--- a/Test/TestProject/temp/c9f4be41ca1cc2b4.pyi
+++ b/Test/TestProject/temp/c9f4be41ca1cc2b4.pyi
--- a/Test/BuddyTest/temp/e1937873ebfba8c3.pyi
+++ b/Test/BuddyTest/temp/e1937873ebfba8c3.pyi
@@ -0,0 +1,48 @@
+"""
+Auto-generated Python stub file from mbuddy.py
+Module: mbuddy
+"""
+
+
+import t, c
+from stdint import *
+import string
+import atom
+
+MBUDDY_MIN_BLOCK: t.CDefine = 32   # 最小块大小 (字节)，需 >= 16 以容纳链表指针
+MBUDDY_MAX_ORDERS: t.CDefine = 32  # 最大阶数数量
+MBUDDY_HEADER_SIZE: t.CDefine = 8  # 块头大小 (存储阶数)
+
+def _largest_pow2_le(val: t.CSizeT) -> t.CSizeT: pass
+
+def _block_size_at_order(order: t.CInt) -> t.CSizeT: pass
+
+
+class MBuddy:
+    mem: t.CVoid | t.CPtr
+    mem_size: t.CSizeT
+    max_order: t.CInt
+    free_lists: t.CUInt64T | t.CPtr
+    lock_val: t.CVolatile | t.CInt
+    def __init__(self: MBuddy, arena: t.CVoid | t.CPtr, arena_size: t.CSizeT) -> t.CInt: pass
+    def __enter__(self: MBuddy) -> 'MBuddy' | t.CPtr: pass
+    def __exit__(self: MBuddy) -> t.CInt: pass
+    def reset(self: MBuddy) -> t.CInt: pass
+    def _fl_push(self: MBuddy, order: t.CInt, block: t.CVoid | t.CPtr) -> t.CInt: pass
+    def _fl_pop(self: MBuddy, order: t.CInt) -> t.CVoid | t.CPtr: pass
+    def _fl_find_and_remove(self: MBuddy, order: t.CInt, target: t.CVoid | t.CPtr) -> t.CInt: pass
+    def _buddy_of(self: MBuddy, block: t.CVoid | t.CPtr, order: t.CInt) -> t.CVoid | t.CPtr: pass
+    def _order_for_size(self: MBuddy, size: t.CSizeT) -> t.CInt: pass
+    def _split_to_order(self: MBuddy, to_order: t.CInt) -> t.CVoid | t.CPtr: pass
+    def _coalesce(self: MBuddy, block: t.CVoid | t.CPtr, order: t.CInt) -> t.CInt: pass
+    def _is_valid_ptr(self: MBuddy, ptr: t.CVoid | t.CPtr) -> t.CInt: pass
+    def _fl_count(self: MBuddy, order: t.CInt) -> t.CSizeT: pass
+    def _lock(self: MBuddy) -> t.CInt: pass
+    def _unlock(self: MBuddy) -> t.CInt: pass
+    def alloc(self: MBuddy, size: t.CSizeT) -> t.CVoid | t.CPtr: pass
+    def free(self: MBuddy, ptr: t.CVoid | t.CPtr) -> t.CInt: pass
+    def calloc(self: MBuddy, count: t.CSizeT, size: t.CSizeT) -> t.CVoid | t.CPtr: pass
+    def realloc(self: MBuddy, ptr: t.CVoid | t.CPtr, new_size: t.CSizeT) -> t.CVoid | t.CPtr: pass
+    def stats(self: MBuddy) -> t.CSizeT: pass
+    def free_count(self: MBuddy) -> t.CSizeT: pass
+    def self_check(self: MBuddy) -> t.CInt: pass
--- a/Test/TestProject/temp/fa3691e66b426950.pyi
+++ b/Test/TestProject/temp/fa3691e66b426950.pyi
--- a/Test/BuiltinDecoratorTest/App/main.py
+++ b/Test/BuiltinDecoratorTest/App/main.py
@@ -2,21 +2,7 @@ import t
 from stdint import *
 from stdio import printf
 from stdlib import malloc
-
-# ============================================================
-# 测试计数器
-# ============================================================
-_pass_count: t.CInt = 0
-_fail_count: t.CInt = 0
-
-def check(name: t.CChar | t.CPtr, condition: bool):
-    global _pass_count, _fail_count
-    if condition:
-        _pass_count += 1
-        printf("  [PASS] %s\n", name)
-    else:
-        _fail_count += 1
-        printf("  [FAIL] %s\n", name)
+import testcheck


 # ============================================================
@@ -43,14 +29,13 @@ class Rect:


 def test_property_getter():
-    printf("\n+-- @property getter --+\n")
+    testcheck.section("@property getter")
    r1: Rect = Rect(3, 4)
-    check("area == 12", r1.area == 12)
-    check("not square", not r1.is_square)
+    testcheck.check(r1.area == 12, "area == 12", "area expect 12")
+    testcheck.check(not r1.is_square, "not square", "should not be square")
    r2: Rect = Rect(5, 5)
-    check("square area == 25", r2.area == 25)
-    check("is_square", r2.is_square)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(r2.area == 25, "square area == 25", "square area expect 25")
+    testcheck.check(r2.is_square, "is_square", "should be square")


 # ============================================================
@@ -79,13 +64,12 @@ class Temperature:


 def test_property_setter():
-    printf("\n+-- @property.setter --+\n")
+    testcheck.section("@property.setter")
    tmp1: Temperature = Temperature(0.0)
-    check("0C == 32F", tmp1.fahrenheit > 31.9 and tmp1.fahrenheit < 32.1)
+    testcheck.check(tmp1.fahrenheit > 31.9 and tmp1.fahrenheit < 32.1, "0C == 32F", "0C expect 32F")
    tmp1.celsius = 100.0
-    check("100C == 212F", tmp1.fahrenheit > 211.9 and tmp1.fahrenheit < 212.1)
-    check("celsius == 100", tmp1.celsius > 99.9 and tmp1.celsius < 100.1)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(tmp1.fahrenheit > 211.9 and tmp1.fahrenheit < 212.1, "100C == 212F", "100C expect 212F")
+    testcheck.check(tmp1.celsius > 99.9 and tmp1.celsius < 100.1, "celsius == 100", "celsius expect 100")


 # ============================================================
@@ -110,12 +94,11 @@ class Counter:


 def test_property_getter_redef():
-    printf("\n+-- @property.getter redef --+\n")
+    testcheck.section("@property.getter redef")
    cnt: Counter = Counter()
-    check("init == 0", cnt.value == 0)
+    testcheck.check(cnt.value == 0, "init == 0", "init expect 0")
    cnt.value = 42
-    check("set == 42", cnt.value == 42)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(cnt.value == 42, "set == 42", "set expect 42")


 # ============================================================
@@ -150,14 +133,13 @@ class Config:


 def test_property_deleter():
-    printf("\n+-- @property.deleter --+\n")
+    testcheck.section("@property.deleter")
    cfg: Config = Config(99)
-    check("init == 99", cfg.value == 99)
-    check("not deleted", not cfg.is_deleted())
+    testcheck.check(cfg.value == 99, "init == 99", "init expect 99")
+    testcheck.check(not cfg.is_deleted(), "not deleted", "should not be deleted")
    del cfg.value
-    check("after del == 0", cfg.value == 0)
-    check("is_deleted", cfg.is_deleted())
-    printf("+--------------------------------------------+\n")
+    testcheck.check(cfg.value == 0, "after del == 0", "after del expect 0")
+    testcheck.check(cfg.is_deleted(), "is_deleted", "should be deleted")


 # ============================================================
@@ -174,11 +156,10 @@ class MathUtils:


 def test_staticmethod():
-    printf("\n+-- @staticmethod --+\n")
+    testcheck.section("@staticmethod")
    # 通过类名调用
-    check("MathUtils.add(3,4)==7", MathUtils.add(3, 4) == 7)
-    check("MathUtils.max(5,10)==10", MathUtils.max_val(5, 10) == 10)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(MathUtils.add(3, 4) == 7, "MathUtils.add(3,4)==7", "MathUtils.add(3,4) expect 7")
+    testcheck.check(MathUtils.max_val(5, 10) == 10, "MathUtils.max(5,10)==10", "MathUtils.max(5,10) expect 10")


 # ============================================================
@@ -208,18 +189,17 @@ class Point:


 def test_classmethod():
-    printf("\n+-- @classmethod --+\n")
+    testcheck.section("@classmethod")
    # 通过类名调用
    p1: Point = Point.origin()
-    check("origin.x ~= 0", p1.x > -0.01 and p1.x < 0.01)
-    check("origin.y ~= 0", p1.y > -0.01 and p1.y < 0.01)
-    check("origin.dist ~= 0", p1.dist_sq() < 0.01)
+    testcheck.check(p1.x > -0.01 and p1.x < 0.01, "origin.x ~= 0", "origin.x expect ~0")
+    testcheck.check(p1.y > -0.01 and p1.y < 0.01, "origin.y ~= 0", "origin.y expect ~0")
+    testcheck.check(p1.dist_sq() < 0.01, "origin.dist ~= 0", "origin.dist expect ~0")

    p2: Point = Point.from_int(3, 4)
-    check("from_int(3,4).x ~= 3", p2.x > 2.99 and p2.x < 3.01)
-    check("from_int(3,4).y ~= 4", p2.y > 3.99 and p2.y < 4.01)
-    check("dist_sq ~= 25", p2.dist_sq() > 24.99 and p2.dist_sq() < 25.01)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(p2.x > 2.99 and p2.x < 3.01, "from_int(3,4).x ~= 3", "from_int(3,4).x expect ~3")
+    testcheck.check(p2.y > 3.99 and p2.y < 4.01, "from_int(3,4).y ~= 4", "from_int(3,4).y expect ~4")
+    testcheck.check(p2.dist_sq() > 24.99 and p2.dist_sq() < 25.01, "dist_sq ~= 25", "dist_sq expect ~25")


 # ============================================================
@@ -256,27 +236,26 @@ class Circle:


 def test_combined():
-    printf("\n+-- Combined @property + @staticmethod + @classmethod --+\n")
+    testcheck.section("Combined @property + @staticmethod + @classmethod")
    # 先测试直接构造
    cr0: Circle = Circle(1.0)
-    check("direct radius ~= 1", cr0.radius > 0.99 and cr0.radius < 1.01)
-    check("direct area ~= pi", cr0.area > 3.14 and cr0.area < 3.15)
+    testcheck.check(cr0.radius > 0.99 and cr0.radius < 1.01, "direct radius ~= 1", "direct radius expect ~1")
+    testcheck.check(cr0.area > 3.14 and cr0.area < 3.15, "direct area ~= pi", "direct area expect ~pi")
    cr0.radius = 2.0
-    check("direct radius 2.0", cr0.radius > 1.99 and cr0.radius < 2.01)
-    check("direct area ~= 4pi", cr0.area > 12.56 and cr0.area < 12.58)
+    testcheck.check(cr0.radius > 1.99 and cr0.radius < 2.01, "direct radius 2.0", "direct radius expect 2.0")
+    testcheck.check(cr0.area > 12.56 and cr0.area < 12.58, "direct area ~= 4pi", "direct area expect ~4pi")
    # 测试 classmethod
    cr1: Circle = Circle.unit()
-    check("unit radius ~= 1", cr1.radius > 0.99 and cr1.radius < 1.01)
-    check("is_unit(1.0)", Circle.is_unit(1.0))
-    check("not is_unit(2.0)", not Circle.is_unit(2.0))
-    printf("+--------------------------------------------+\n")
+    testcheck.check(cr1.radius > 0.99 and cr1.radius < 1.01, "unit radius ~= 1", "unit radius expect ~1")
+    testcheck.check(Circle.is_unit(1.0), "is_unit(1.0)", "is_unit(1.0) should be true")
+    testcheck.check(not Circle.is_unit(2.0), "not is_unit(2.0)", "is_unit(2.0) should be false")


 # ============================================================
 # 主函数
 # ============================================================
 def main() -> t.CInt | t.CExport:
-    printf("=== Builtin Decorator Test ===\n")
+    testcheck.begin("Builtin Decorator Test")

    test_property_getter()
    test_property_setter()
@@ -286,5 +265,4 @@ def main() -> t.CInt | t.CExport:
    test_classmethod()
    test_combined()

-    printf("\n=== Results: %d passed, %d failed ===\n", _pass_count, _fail_count)
-    return 0
+    return testcheck.end()
--- a/Test/BuiltinDecoratorTest/output/9dbecd0942a39782.deps.json
+++ b/Test/BuiltinDecoratorTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"stdint": "49bd8cba55979f76", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "main": "e3ac223bdaf94a0c"}
--- a/Test/BuiltinDecoratorTest/output/b6069b01d8c9cc04.deps.json
+++ b/Test/BuiltinDecoratorTest/output/b6069b01d8c9cc04.deps.json
@@ -1 +0,0 @@
-{"stdint": "56cdd754a8a09347", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b"}
--- a/Test/BuiltinDecoratorTest/output/e3ac223bdaf94a0c.deps.json
+++ b/Test/BuiltinDecoratorTest/output/e3ac223bdaf94a0c.deps.json
@@ -0,0 +1 @@
+{"stdint": "49bd8cba55979f76", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/BuiltinDecoratorTest/temp/49bd8cba55979f76.pyi
+++ b/Test/BuiltinDecoratorTest/temp/49bd8cba55979f76.pyi
@@ -64,4 +64,12 @@ CHAR16: t.CTypedef = t.CChar16T
 CHAR32: t.CTypedef = t.CChar32T
 CHAR8PTR: t.CTypedef = t.CChar8T | t.CPtr
 CHAR16PTR: t.CTypedef = t.CChar16T | t.CPtr
-CHAR32PTR: t.CTypedef = t.CChar32T | t.CPtr
+CHAR32PTR: t.CTypedef = t.CChar32T | t.CPtr
+i8: t.CTypedef = t.CInt8T
+i16: t.CTypedef = t.CInt16T
+i32: t.CTypedef = t.CInt32T
+i64: t.CTypedef = t.CInt64T
+u8: t.CTypedef = t.CUInt8T
+u16: t.CTypedef = t.CUInt16T
+u32: t.CTypedef = t.CUInt32T
+u64: t.CTypedef = t.CUInt64T
--- a/Test/BuiltinDecoratorTest/temp/9dbecd0942a39782.pyi
+++ b/Test/BuiltinDecoratorTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/BuiltinDecoratorTest/temp/_sha1_map.txt
+++ b/Test/BuiltinDecoratorTest/temp/_sha1_map.txt
@@ -1,4 +1,5 @@
-56cdd754a8a09347:includes/stdint.py
+49bd8cba55979f76:includes/stdint.py
 6c2029b306556c00:includes/stdlib.py
 73edbcf76e32d00b:includes/stdio.py
-b6069b01d8c9cc04:main.py
+9dbecd0942a39782:includes/testcheck.py
+e3ac223bdaf94a0c:main.py
--- a/Test/BuiltinDecoratorTest/temp/e3ac223bdaf94a0c.pyi
+++ b/Test/BuiltinDecoratorTest/temp/e3ac223bdaf94a0c.pyi
@@ -10,12 +10,7 @@ import t
 from stdint import *
 from stdio import printf
 from stdlib import malloc
-
-_pass_count: t.CExtern | t.CInt
-_fail_count: t.CExtern | t.CInt
-
-def check(name: t.CChar | t.CPtr, condition: bool) -> t.CInt: pass
-
+import testcheck

 class Rect:
    width: t.CInt
--- a/Test/CPythonTest/App/main.py
+++ b/Test/CPythonTest/App/main.py
@@ -2,61 +2,48 @@ import t, c
 from t import CInt, CLong, CDouble, CPtr, CSizeT
 from stdio import printf
 import cpython
-
-
-_pass_count: CInt = 0
-_fail_count: CInt = 0
-
-def check(name: t.CChar | CPtr, condition: bool):
-    global _pass_count, _fail_count
-    if condition:
-        _pass_count += 1
-        printf("  [PASS] %s\n", name)
-    else:
-        _fail_count += 1
-        printf("  [FAIL] %s\n", name)
+import testcheck


 def test_init_finalize():
-    printf("\n+-- Py_Initialize / Py_Finalize --+\n")
+    testcheck.section("Py_Initialize / Py_Finalize")
    cpython.Py_Initialize()
-    check("Py_Initialize succeeded", cpython.Py_IsInitialized() != 0)
+    testcheck.check(cpython.Py_IsInitialized() != 0, "Py_Initialize succeeded", "Py_Initialize succeeded")
    cpython.Py_Finalize()
-    check("Py_Finalize succeeded", cpython.Py_IsInitialized() == 0)
-    printf("+--------------------------------------------+\n")
+    testcheck.check(cpython.Py_IsInitialized() == 0, "Py_Finalize succeeded", "Py_Finalize succeeded")


 def test_long_operations():
-    printf("\n+-- PyLong operations --+\n")
+    testcheck.section("PyLong operations")
    cpython.Py_Initialize()

    # 创建整数
    py_num: cpython.PyObject | CPtr = cpython.PyLong_FromLong(12345)
-    check("PyLong_FromLong != NULL", py_num != 0)
+    testcheck.check(py_num != 0, "PyLong_FromLong != NULL", "PyLong_FromLong != NULL")

    # 整数转字符串
-    py_str: cpython.PyObject | CPtr = cpython.PyObject_Str(py_num)
-    check("PyObject_Str != NULL", py_str != 0)
+    py_str: cpython.PyObject | CPtr = cpython.PyObject_str(py_num)
+    testcheck.check(py_str != 0, "PyObject_Str != NULL", "PyObject_Str != NULL")

    # 获取 C 字符串
    c_str: t.CChar | CPtr = cpython.PyUnicode_AsUTF8(py_str)
-    check("PyUnicode_AsUTF8 != NULL", c_str != 0)
+    testcheck.check(c_str != 0, "PyUnicode_AsUTF8 != NULL", "PyUnicode_AsUTF8 != NULL")
    printf("  PyLong_FromLong(12345) -> str = %s\n", c_str)

    # 读取回来
    val: CLong = cpython.PyLong_AsLong(py_num)
-    check("PyLong_AsLong == 12345", val == 12345)
+    testcheck.check(val == 12345, "PyLong_AsLong == 12345", "PyLong_AsLong == 12345")

    # 负数
    py_neg: cpython.PyObject | CPtr = cpython.PyLong_FromLong(-999)
    neg_val: CLong = cpython.PyLong_AsLong(py_neg)
-    check("PyLong_FromLong(-999) == -999", neg_val == -999)
+    testcheck.check(neg_val == -999, "PyLong_FromLong(-999) == -999", "PyLong_FromLong(-999) == -999")

    # 浮点数转整数
    py_dbl: cpython.PyObject | CPtr = cpython.PyFloat_FromDouble(3.14159)
-    check("PyFloat_FromDouble != NULL", py_dbl != 0)
+    testcheck.check(py_dbl != 0, "PyFloat_FromDouble != NULL", "PyFloat_FromDouble != NULL")
    dbl_val: CDouble = cpython.PyFloat_AsDouble(py_dbl)
-    check("PyFloat_AsDouble ~= 3.14", dbl_val > 3.14 and dbl_val < 3.15)
+    testcheck.check(dbl_val > 3.14 and dbl_val < 3.15, "PyFloat_AsDouble ~= 3.14", "PyFloat_AsDouble ~= 3.14")

    # 清理
    cpython.Py_DecRef(py_dbl)
@@ -65,31 +52,30 @@ def test_long_operations():
    cpython.Py_DecRef(py_num)

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_string_operations():
-    printf("\n+-- PyUnicode operations --+\n")
+    testcheck.section("PyUnicode operations")
    cpython.Py_Initialize()

    # 从 C 字符串创建
    py_s1: cpython.PyObject | CPtr = cpython.PyUnicode_FromString("Hello, Viper!")
-    check("PyUnicode_FromString != NULL", py_s1 != 0)
+    testcheck.check(py_s1 != 0, "PyUnicode_FromString != NULL", "PyUnicode_FromString != NULL")

    # 获取 UTF8
    utf8: t.CChar | CPtr = cpython.PyUnicode_AsUTF8(py_s1)
-    check("AsUTF8 != NULL", utf8 != 0)
+    testcheck.check(utf8 != 0, "AsUTF8 != NULL", "AsUTF8 != NULL")
    printf("  PyUnicode_FromString -> %s\n", utf8)

    # 字符串长度
    length: CLong = cpython.PyUnicode_GetLength(py_s1)
-    check("GetLength == 13", length == 13)
+    testcheck.check(length == 13, "GetLength == 13", "GetLength == 13")

    # 字符串拼接
    py_s2: cpython.PyObject | CPtr = cpython.PyUnicode_FromString(" World")
    py_concat: cpython.PyObject | CPtr = cpython.PyUnicode_Concat(py_s1, py_s2)
    concat_utf8: t.CChar | CPtr = cpython.PyUnicode_AsUTF8(py_concat)
-    check("Concat != NULL", py_concat != 0)
+    testcheck.check(py_concat != 0, "Concat != NULL", "Concat != NULL")
    printf("  Concat -> %s\n", concat_utf8)

    # 清理
@@ -98,16 +84,15 @@ def test_string_operations():
    cpython.Py_DecRef(py_s1)

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_list_operations():
-    printf("\n+-- PyList operations --+\n")
+    testcheck.section("PyList operations")
    cpython.Py_Initialize()

    # 创建列表
    py_list: cpython.PyObject | CPtr = cpython.PyList_New(0)
-    check("PyList_New != NULL", py_list != 0)
+    testcheck.check(py_list != 0, "PyList_New != NULL", "PyList_New != NULL")

    # Append 元素
    py_i1: cpython.PyObject | CPtr = cpython.PyLong_FromLong(10)
@@ -119,16 +104,16 @@ def test_list_operations():

    # 检查大小
    list_size: CSizeT = cpython.PyList_Size(py_list)
-    check("PyList_Size == 3", list_size == 3)
+    testcheck.check(list_size == 3, "PyList_Size == 3", "PyList_Size == 3")

    # 获取元素
    item0: cpython.PyObject | CPtr = cpython.PyList_GetItem(py_list, 0)
    val0: CLong = cpython.PyLong_AsLong(item0)
-    check("list[0] == 10", val0 == 10)
+    testcheck.check(val0 == 10, "list[0] == 10", "list[0] == 10")

    item2: cpython.PyObject | CPtr = cpython.PyList_GetItem(py_list, 2)
    val2: CLong = cpython.PyLong_AsLong(item2)
-    check("list[2] == 30", val2 == 30)
+    testcheck.check(val2 == 30, "list[2] == 30", "list[2] == 30")

    # 清理
    cpython.Py_DecRef(py_i3)
@@ -137,16 +122,15 @@ def test_list_operations():
    cpython.Py_DecRef(py_list)

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_dict_operations():
-    printf("\n+-- PyDict operations --+\n")
+    testcheck.section("PyDict operations")
    cpython.Py_Initialize()

    # 创建字典
    py_dict: cpython.PyObject | CPtr = cpython.PyDict_New()
-    check("PyDict_New != NULL", py_dict != 0)
+    testcheck.check(py_dict != 0, "PyDict_New != NULL", "PyDict_New != NULL")

    # 设置键值对
    py_key1: cpython.PyObject | CPtr = cpython.PyUnicode_FromString("name")
@@ -159,20 +143,20 @@ def test_dict_operations():

    # 检查大小
    dict_size: CSizeT = cpython.PyDict_Size(py_dict)
-    check("PyDict_Size == 2", dict_size == 2)
+    testcheck.check(dict_size == 2, "PyDict_Size == 2", "PyDict_Size == 2")

    # 获取值
    got_val: cpython.PyObject | CPtr = cpython.PyDict_GetItem(py_dict, py_key1)
-    check("GetItem(name) != NULL", got_val != 0)
+    testcheck.check(got_val != 0, "GetItem(name) != NULL", "GetItem(name) != NULL")
    got_str: t.CChar | CPtr = cpython.PyUnicode_AsUTF8(got_val)
-    check("name == Viper", got_str != 0)
+    testcheck.check(got_str != 0, "name == Viper", "name == Viper")
    printf("  dict['name'] = %s\n", got_str)

    # 使用 GetItemString
    got_ver: cpython.PyObject | CPtr = cpython.PyDict_GetItemString(py_dict, "version")
-    check("GetItemString(version) != NULL", got_ver != 0)
+    testcheck.check(got_ver != 0, "GetItemString(version) != NULL", "GetItemString(version) != NULL")
    ver_val: CLong = cpython.PyLong_AsLong(got_ver)
-    check("version == 1", ver_val == 1)
+    testcheck.check(ver_val == 1, "version == 1", "version == 1")

    # 清理
    cpython.Py_DecRef(py_val2)
@@ -182,79 +166,76 @@ def test_dict_operations():
    cpython.Py_DecRef(py_dict)

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_pyrun_string():
-    printf("\n+-- PyRun_SimpleString --+\n")
+    testcheck.section("PyRun_SimpleString")
    cpython.Py_Initialize()

    # 执行简单 Python 代码
    rc: CInt = cpython.PyRun_SimpleString("print('Hello from embedded Python!')")
-    check("PyRun_SimpleString == 0", rc == 0)
+    testcheck.check(rc == 0, "PyRun_SimpleString == 0", "PyRun_SimpleString == 0")

    # 执行赋值
    rc2: CInt = cpython.PyRun_SimpleString("x = 6 * 7")
-    check("PyRun_SimpleString(assign) == 0", rc2 == 0)
+    testcheck.check(rc2 == 0, "PyRun_SimpleString(assign) == 0", "PyRun_SimpleString(assign) == 0")

    # 读取结果
    rc3: CInt = cpython.PyRun_SimpleString("print(f'The answer is {x}')")
-    check("PyRun_SimpleString(print) == 0", rc3 == 0)
+    testcheck.check(rc3 == 0, "PyRun_SimpleString(print) == 0", "PyRun_SimpleString(print) == 0")

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_import_module():
-    printf("\n+-- PyImport_ImportModule --+\n")
+    testcheck.section("PyImport_ImportModule")
    cpython.Py_Initialize()

    # 导入 math 模块
    math_mod: cpython.PyObject | CPtr = cpython.PyImport_ImportModule("math")
-    check("import math != NULL", math_mod != 0)
+    testcheck.check(math_mod != 0, "import math != NULL", "import math != NULL")

    if math_mod != 0:
        # 获取 math.pi
        pi_val: cpython.PyObject | CPtr = cpython.PyObject_GetAttrString(math_mod, "pi")
-        check("math.pi != NULL", pi_val != 0)
+        testcheck.check(pi_val != 0, "math.pi != NULL", "math.pi != NULL")
        if pi_val != 0:
            pi_dbl: CDouble = cpython.PyFloat_AsDouble(pi_val)
-            check("math.pi ~= 3.14", pi_dbl > 3.14 and pi_dbl < 3.15)
+            testcheck.check(pi_dbl > 3.14 and pi_dbl < 3.15, "math.pi ~= 3.14", "math.pi ~= 3.14")
            printf("  math.pi = %f\n", pi_dbl)
            cpython.Py_DecRef(pi_val)

        # 获取 math.sqrt 函数
        sqrt_func: cpython.PyObject | CPtr = cpython.PyObject_GetAttrString(math_mod, "sqrt")
-        check("math.sqrt != NULL", sqrt_func != 0)
+        testcheck.check(sqrt_func != 0, "math.sqrt != NULL", "math.sqrt != NULL")
        if sqrt_func != 0:
            cpython.Py_DecRef(sqrt_func)

        cpython.Py_DecRef(math_mod)

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def test_operator_overload():
-    printf("\n+-- Operator Overload (PyLongObj / PyFloatObj / PyUnicodeObj / PyListObj / PyDictObj) --+\n")
+    testcheck.section("Operator Overload (PyLongObj / PyFloatObj / PyUnicodeObj / PyListObj / PyDictObj)")
    cpython.Py_Initialize()

    # --- PyLongObj: from_long, to_long, +, -, *, - (neg) ---
    a: cpython.PyLongObj | CPtr = cpython.PyLongObj.from_long(10)
    b: cpython.PyLongObj | CPtr = cpython.PyLongObj.from_long(3)
-    check("PyLongObj.from_long != NULL", a != 0 and b != 0)
+    testcheck.check(a != 0 and b != 0, "PyLongObj.from_long != NULL", "PyLongObj.from_long != NULL")

    add_r: cpython.PyLongObj | CPtr = a + b
-    check("PyLongObj 10 + 3 == 13", add_r.to_long() == 13)
+    testcheck.check(add_r.to_long() == 13, "PyLongObj 10 + 3 == 13", "PyLongObj 10 + 3 == 13")

    sub_r: cpython.PyLongObj | CPtr = a - b
-    check("PyLongObj 10 - 3 == 7", sub_r.to_long() == 7)
+    testcheck.check(sub_r.to_long() == 7, "PyLongObj 10 - 3 == 7", "PyLongObj 10 - 3 == 7")

    mul_r: cpython.PyLongObj | CPtr = a * b
-    check("PyLongObj 10 * 3 == 30", mul_r.to_long() == 30)
+    testcheck.check(mul_r.to_long() == 30, "PyLongObj 10 * 3 == 30", "PyLongObj 10 * 3 == 30")

    neg_r: cpython.PyLongObj | CPtr = -b
-    check("PyLongObj -3 == -3", neg_r.to_long() == -3)
+    testcheck.check(neg_r.to_long() == -3, "PyLongObj -3 == -3", "PyLongObj -3 == -3")

    mul_r.dec_ref()
    sub_r.dec_ref()
@@ -266,22 +247,22 @@ def test_operator_overload():
    # --- PyFloatObj: from_double, to_double, +, -, *, /, - (neg) ---
    fa: cpython.PyFloatObj | CPtr = cpython.PyFloatObj.from_double(10.0)
    fb: cpython.PyFloatObj | CPtr = cpython.PyFloatObj.from_double(4.0)
-    check("PyFloatObj.from_double != NULL", fa != 0 and fb != 0)
+    testcheck.check(fa != 0 and fb != 0, "PyFloatObj.from_double != NULL", "PyFloatObj.from_double != NULL")

    fadd: cpython.PyFloatObj | CPtr = fa + fb
-    check("PyFloatObj 10.0 + 4.0 == 14.0", fadd.to_double() == 14.0)
+    testcheck.check(fadd.to_double() == 14.0, "PyFloatObj 10.0 + 4.0 == 14.0", "PyFloatObj 10.0 + 4.0 == 14.0")

    fsub: cpython.PyFloatObj | CPtr = fa - fb
-    check("PyFloatObj 10.0 - 4.0 == 6.0", fsub.to_double() == 6.0)
+    testcheck.check(fsub.to_double() == 6.0, "PyFloatObj 10.0 - 4.0 == 6.0", "PyFloatObj 10.0 - 4.0 == 6.0")

    fmul: cpython.PyFloatObj | CPtr = fa * fb
-    check("PyFloatObj 10.0 * 4.0 == 40.0", fmul.to_double() == 40.0)
+    testcheck.check(fmul.to_double() == 40.0, "PyFloatObj 10.0 * 4.0 == 40.0", "PyFloatObj 10.0 * 4.0 == 40.0")

    fdiv: cpython.PyFloatObj | CPtr = fa / fb
-    check("PyFloatObj 10.0 / 4.0 == 2.5", fdiv.to_double() == 2.5)
+    testcheck.check(fdiv.to_double() == 2.5, "PyFloatObj 10.0 / 4.0 == 2.5", "PyFloatObj 10.0 / 4.0 == 2.5")

    fneg: cpython.PyFloatObj | CPtr = -fb
-    check("PyFloatObj -4.0 == -4.0", fneg.to_double() == -4.0)
+    testcheck.check(fneg.to_double() == -4.0, "PyFloatObj -4.0 == -4.0", "PyFloatObj -4.0 == -4.0")

    fadd.dec_ref()
    fsub.dec_ref()
@@ -294,16 +275,16 @@ def test_operator_overload():
    # --- PyUnicodeObj: from_string, as_utf8, len, + (concat) ---
    sa: cpython.PyUnicodeObj | CPtr = cpython.PyUnicodeObj.from_string("Hello")
    sb: cpython.PyUnicodeObj | CPtr = cpython.PyUnicodeObj.from_string(" World")
-    check("PyUnicodeObj.from_string != NULL", sa != 0 and sb != 0)
+    testcheck.check(sa != 0 and sb != 0, "PyUnicodeObj.from_string != NULL", "PyUnicodeObj.from_string != NULL")

    sc: cpython.PyUnicodeObj | CPtr = sa + sb
    sc_utf8: t.CChar | CPtr = sc.as_utf8()
-    check("PyUnicodeObj concat != NULL", sc_utf8 != 0)
+    testcheck.check(sc_utf8 != 0, "PyUnicodeObj concat != NULL", "PyUnicodeObj concat != NULL")
    if sc_utf8 != 0:
        printf("  PyUnicodeObj 'Hello' + ' World' = %s\n", sc_utf8)

    sa_len: t.CPtrDiffT = len(sa)
-    check("PyUnicodeObj len('Hello') == 5", sa_len == 5)
+    testcheck.check(sa_len == 5, "PyUnicodeObj len('Hello') == 5", "PyUnicodeObj len('Hello') == 5")

    sc.dec_ref()
    sb.dec_ref()
@@ -311,7 +292,7 @@ def test_operator_overload():

    # --- PyListObj: new, append, len, [], []= ---
    lst: cpython.PyListObj | CPtr = cpython.PyListObj.new()
-    check("PyListObj.new != NULL", lst != 0)
+    testcheck.check(lst != 0, "PyListObj.new != NULL", "PyListObj.new != NULL")
    if lst != 0:
        e1: cpython.PyObject | CPtr = cpython.PyLong_FromLong(100)
        e2: cpython.PyObject | CPtr = cpython.PyLong_FromLong(200)
@@ -319,16 +300,16 @@ def test_operator_overload():
        lst.append(e1)
        lst.append(e2)
        lst.append(e3)
-        check("PyListObj len == 3", len(lst) == 3)
+        testcheck.check(len(lst) == 3, "PyListObj len == 3", "PyListObj len == 3")

        item0: cpython.PyObject | CPtr = lst[t.CSizeT(0)]
-        check("PyListObj lst[0] == 100", cpython.PyLong_AsLong(item0) == 100)
+        testcheck.check(cpython.PyLong_AsLong(item0) == 100, "PyListObj lst[0] == 100", "PyListObj lst[0] == 100")

        # __setitem__
        e4: cpython.PyObject | CPtr = cpython.PyLong_FromLong(999)
        lst[t.CSizeT(1)] = e4
        item1: cpython.PyObject | CPtr = lst[t.CSizeT(1)]
-        check("PyListObj lst[1] = 999", cpython.PyLong_AsLong(item1) == 999)
+        testcheck.check(cpython.PyLong_AsLong(item1) == 999, "PyListObj lst[1] = 999", "PyListObj lst[1] = 999")

        cpython.Py_DecRef(e4)
        cpython.Py_DecRef(e3)
@@ -338,34 +319,33 @@ def test_operator_overload():

    # --- PyDictObj: new, [], []=, len, set_string, get_string ---
    dct: cpython.PyDictObj | CPtr = cpython.PyDictObj.new()
-    check("PyDictObj.new != NULL", dct != 0)
+    testcheck.check(dct != 0, "PyDictObj.new != NULL", "PyDictObj.new != NULL")
    if dct != 0:
        dk1: cpython.PyObject | CPtr = cpython.PyUnicode_FromString("lang")
        dv1: cpython.PyObject | CPtr = cpython.PyUnicode_FromString("Viper")
        dct[dk1] = dv1
-        check("PyDictObj len == 1", len(dct) == 1)
+        testcheck.check(len(dct) == 1, "PyDictObj len == 1", "PyDictObj len == 1")

        got_lang: cpython.PyObject | CPtr = dct[dk1]
        got_str: t.CChar | CPtr = cpython.PyUnicode_AsUTF8(got_lang)
-        check("PyDictObj dct['lang'] == Viper", got_str != 0)
+        testcheck.check(got_str != 0, "PyDictObj dct['lang'] == Viper", "PyDictObj dct['lang'] == Viper")
        if got_str != 0:
            printf("  PyDictObj dct['lang'] = %s\n", got_str)

        # get_string / set_string
        dct.set_string("ver", cpython.PyLong_FromLong(3))
        got_ver: cpython.PyObject | CPtr = dct.get_string("ver")
-        check("PyDictObj get_string('ver') == 3", got_ver != 0 and cpython.PyLong_AsLong(got_ver) == 3)
+        testcheck.check(got_ver != 0 and cpython.PyLong_AsLong(got_ver) == 3, "PyDictObj get_string('ver') == 3", "PyDictObj get_string('ver') == 3")

        cpython.Py_DecRef(dv1)
        cpython.Py_DecRef(dk1)
        dct.dec_ref()

    cpython.Py_Finalize()
-    printf("+--------------------------------------------+\n")


 def main() -> CInt | t.CExport:
-    printf("=== CPython Integration Test ===\n")
+    testcheck.begin("CPython Integration Test")

    test_init_finalize()
    test_long_operations()
@@ -376,5 +356,4 @@ def main() -> CInt | t.CExport:
    test_import_module()
    test_operator_overload()

-    printf("\n=== Results: %d passed, %d failed ===\n", _pass_count, _fail_count)
-    return 0
+    return testcheck.end()
--- a/Test/CPythonTest/output/0cd580d62a3de4f8.deps.json
+++ b/Test/CPythonTest/output/0cd580d62a3de4f8.deps.json
@@ -1 +0,0 @@
-{"stdio": "73edbcf76e32d00b", "cpython": "7c5d5ec59c5fb0a8"}
--- a/Test/CPythonTest/output/7c5d5ec59c5fb0a8.deps.json
+++ b/Test/CPythonTest/output/7c5d5ec59c5fb0a8.deps.json
@@ -1 +1 @@
-{"main": "0cd580d62a3de4f8", "stdio": "73edbcf76e32d00b"}
+{"main": "3c8ecda6b848f011", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/CPythonTest/temp/3c8ecda6b848f011.pyi
+++ b/Test/CPythonTest/temp/3c8ecda6b848f011.pyi
@@ -8,11 +8,7 @@ import t, c
 from t import CInt, CLong, CDouble, CPtr, CSizeT
 from stdio import printf
 import cpython
-
-_pass_count: t.CExtern | CInt
-_fail_count: t.CExtern | CInt
-
-def check(name: t.CChar | CPtr, condition: bool) -> t.CInt: pass
+import testcheck

 def test_init_finalize() -> t.CInt: pass

--- a/Test/CPythonTest/temp/9dbecd0942a39782.pyi
+++ b/Test/CPythonTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/CPythonTest/temp/_sha1_map.txt
+++ b/Test/CPythonTest/temp/_sha1_map.txt
@@ -1,3 +1,4 @@
-0cd580d62a3de4f8:main.py
+3c8ecda6b848f011:main.py
 73edbcf76e32d00b:includes/stdio.py
 7c5d5ec59c5fb0a8:cpython.py
+9dbecd0942a39782:includes/testcheck.py
--- a/Test/CPythonTest/temp/_shared_sym.json
+++ b/Test/CPythonTest/temp/_shared_sym.json
--- a/Test/CPythonTest/temp/_shared_sym.pkl
+++ b/Test/CPythonTest/temp/_shared_sym.pkl
--- a/Test/ClosureTest/App/main.py
+++ b/Test/ClosureTest/App/main.py
@@ -1,5 +1,6 @@
 import t
 import stdio
+import testcheck

 # ============================================================
 # Test 1: global 在嵌套函数中
@@ -14,20 +15,17 @@ def outer_modify_global():
    inner_modify()

 def test_global_in_nested():
-    stdio.printf("--- Test 1: global in nested function ---\n")
+    testcheck.section("Test 1: global in nested function")
    global g_val
    g_val = 100
    outer_modify_global()
-    if g_val == 150:
-        stdio.printf("PASS: global nested (g_val=%d)\n", g_val)
-    else:
-        stdio.printf("FAIL: global nested (g_val=%d, expect 150)\n", g_val)
+    testcheck.check(g_val == 150, "global nested (g_val == 150)", "global nested (expect 150)")

 # ============================================================
 # Test 2: nonlocal 在多层嵌套中
 # ============================================================
 def test_nonlocal_multi_level():
-    stdio.printf("--- Test 2: nonlocal multi-level ---\n")
+    testcheck.section("Test 2: nonlocal multi-level")
    x: t.CInt = 1
    def level1():
        nonlocal x
@@ -41,10 +39,7 @@ def test_nonlocal_multi_level():
            level3()
        level2()
    level1()
-    if x == 1111:
-        stdio.printf("PASS: nonlocal multi (x=%d)\n", x)
-    else:
-        stdio.printf("FAIL: nonlocal multi (x=%d, expect 1111)\n", x)
+    testcheck.check(x == 1111, "nonlocal multi (x == 1111)", "nonlocal multi (expect 1111)")

 # ============================================================
 # Test 3: global 和 nonlocal 混合
@@ -52,7 +47,7 @@ def test_nonlocal_multi_level():
 g_mixed: t.CInt = 0

 def test_global_nonlocal_mixed():
-    stdio.printf("--- Test 3: global + nonlocal mixed ---\n")
+    testcheck.section("Test 3: global + nonlocal mixed")
    global g_mixed
    g_mixed = 0
    local_var: t.CInt = 0
@@ -63,59 +58,47 @@ def test_global_nonlocal_mixed():
        local_var += 20
    modify_both()
    modify_both()
-    if g_mixed == 20 and local_var == 40:
-        stdio.printf("PASS: mixed (global=%d local=%d)\n", g_mixed, local_var)
-    else:
-        stdio.printf("FAIL: mixed (global=%d local=%d, expect 20 40)\n", g_mixed, local_var)
+    testcheck.check(g_mixed == 20 and local_var == 40, "mixed (global==20 local==40)", "mixed (expect global=20 local=40)")

 # ============================================================
 # Test 4: lambda 捕获多个变量
 # ============================================================
 def test_lambda_multi_capture():
-    stdio.printf("--- Test 4: lambda multi-capture ---\n")
+    testcheck.section("Test 4: lambda multi-capture")
    a: t.CInt = 10
    b: t.CInt = 20
    f = lambda: a + b
    r: t.CInt = f()
-    if r == 30:
-        stdio.printf("PASS: lambda multi-capture (a+b=%d)\n", r)
-    else:
-        stdio.printf("FAIL: lambda multi-capture (a+b=%d, expect 30)\n", r)
+    testcheck.check(r == 30, "lambda multi-capture (a+b == 30)", "lambda multi-capture (expect 30)")

 # ============================================================
 # Test 5: lambda 带参数 + 捕获
 # ============================================================
 def test_lambda_arg_capture():
-    stdio.printf("--- Test 5: lambda arg + capture ---\n")
+    testcheck.section("Test 5: lambda arg + capture")
    base: t.CInt = 100
    add = lambda x: base + x
    r: t.CInt = add(42)
-    if r == 142:
-        stdio.printf("PASS: lambda arg+capture (100+42=%d)\n", r)
-    else:
-        stdio.printf("FAIL: lambda arg+capture (result=%d, expect 142)\n", r)
+    testcheck.check(r == 142, "lambda arg+capture (100+42 == 142)", "lambda arg+capture (expect 142)")

 # ============================================================
 # Test 6: 嵌套函数返回值
 # ============================================================
 def test_nested_return():
-    stdio.printf("--- Test 6: nested function return ---\n")
+    testcheck.section("Test 6: nested function return")
    x: t.CInt = 5
    def double_x() -> t.CInt:
        nonlocal x
        x = x * 2
        return x
    r: t.CInt = double_x()
-    if r == 10 and x == 10:
-        stdio.printf("PASS: nested return (r=%d x=%d)\n", r, x)
-    else:
-        stdio.printf("FAIL: nested return (r=%d x=%d, expect 10 10)\n", r, x)
+    testcheck.check(r == 10 and x == 10, "nested return (r==10 x==10)", "nested return (expect r=10 x=10)")

 # ============================================================
 # Test 7: nonlocal 与循环变量
 # ============================================================
 def test_nonlocal_loop():
-    stdio.printf("--- Test 7: nonlocal with loop ---\n")
+    testcheck.section("Test 7: nonlocal with loop")
    total: t.CInt = 0
    def accumulate(n: t.CInt):
        nonlocal total
@@ -124,34 +107,28 @@ def test_nonlocal_loop():
    accumulate(5)
    accumulate(5)
    # 0+1+2+3+4 = 10, twice = 20
-    if total == 20:
-        stdio.printf("PASS: nonlocal loop (total=%d)\n", total)
-    else:
-        stdio.printf("FAIL: nonlocal loop (total=%d, expect 20)\n", total)
+    testcheck.check(total == 20, "nonlocal loop (total == 20)", "nonlocal loop (expect 20)")

 # ============================================================
 # Test 8: global 数组操作
 # ============================================================
-g_arr: list[t.CInt, 4] = [0]
+g_arr: t.CArray[t.CInt, 4] = [0]

 def test_global_array():
-    stdio.printf("--- Test 8: global array ---\n")
+    testcheck.section("Test 8: global array")
    global g_arr
    g_arr[0] = 10
    g_arr[1] = 20
    g_arr[2] = 30
    g_arr[3] = 40
    total: t.CInt = g_arr[0] + g_arr[1] + g_arr[2] + g_arr[3]
-    if total == 100:
-        stdio.printf("PASS: global array (total=%d)\n", total)
-    else:
-        stdio.printf("FAIL: global array (total=%d, expect 100)\n", total)
+    testcheck.check(total == 100, "global array (total == 100)", "global array (expect 100)")

 # ============================================================
 # Test 9: 嵌套函数条件调用
 # ============================================================
 def test_nested_conditional():
-    stdio.printf("--- Test 9: nested conditional call ---\n")
+    testcheck.section("Test 9: nested conditional call")
    result: t.CInt = 0
    def set_result(val: t.CInt):
        nonlocal result
@@ -160,26 +137,20 @@ def test_nested_conditional():
        set_result(42)
    else:
        set_result(99)
-    if result == 42:
-        stdio.printf("PASS: nested conditional (result=%d)\n", result)
-    else:
-        stdio.printf("FAIL: nested conditional (result=%d, expect 42)\n", result)
+    testcheck.check(result == 42, "nested conditional (result == 42)", "nested conditional (expect 42)")

 # ============================================================
 # Test 10: lambda 链式调用
 # ============================================================
 def test_lambda_chain():
-    stdio.printf("--- Test 10: lambda chain ---\n")
+    testcheck.section("Test 10: lambda chain")
    f1 = lambda: 10
    f2 = lambda: 20
    r: t.CInt = f1() + f2()
-    if r == 30:
-        stdio.printf("PASS: lambda chain (10+20=%d)\n", r)
-    else:
-        stdio.printf("FAIL: lambda chain (result=%d, expect 30)\n", r)
+    testcheck.check(r == 30, "lambda chain (10+20 == 30)", "lambda chain (expect 30)")

 def main() -> t.CInt:
-    stdio.printf("=== ClosureAdvancedTest: 高级闭包测试 ===\n\n")
+    testcheck.begin("ClosureAdvancedTest: 高级闭包测试")
    test_global_in_nested()
    test_nonlocal_multi_level()
    test_global_nonlocal_mixed()
@@ -190,5 +161,4 @@ def main() -> t.CInt:
    test_global_array()
    test_nested_conditional()
    test_lambda_chain()
-    stdio.printf("\n=== ClosureAdvancedTest Complete ===\n")
-    return 0
+    return testcheck.end()
--- a/Test/ClosureTest/output/52e6b51da061882f.deps.json
+++ b/Test/ClosureTest/output/52e6b51da061882f.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/ClosureTest/output/7dbf085f7e3e8944.deps.json
+++ b/Test/ClosureTest/output/7dbf085f7e3e8944.deps.json
@@ -1 +0,0 @@
-{"stdio": "73edbcf76e32d00b"}
--- a/Test/ClosureTest/output/9dbecd0942a39782.deps.json
+++ b/Test/ClosureTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"main": "52e6b51da061882f", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/ClosureTest/temp/52e6b51da061882f.pyi
+++ b/Test/ClosureTest/temp/52e6b51da061882f.pyi
@@ -8,6 +8,7 @@ import c

 import t
 import stdio
+import testcheck

 g_val: t.CExtern | t.CInt

@@ -31,7 +32,7 @@ def test_nested_return() -> t.CInt: pass
 def test_nonlocal_loop() -> t.CInt: pass


-g_arr: t.CExtern | list[t.CInt, 4]
+g_arr: t.CExtern | t.CArray[t.CInt, 4]

 def test_global_array() -> t.CInt: pass

--- a/Test/ClosureTest/temp/9dbecd0942a39782.pyi
+++ b/Test/ClosureTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/ClosureTest/temp/_sha1_map.txt
+++ b/Test/ClosureTest/temp/_sha1_map.txt
@@ -1,2 +1,3 @@
+52e6b51da061882f:main.py
 73edbcf76e32d00b:includes/stdio.py
-7dbf085f7e3e8944:main.py
+9dbecd0942a39782:includes/testcheck.py
--- a/Test/ClosureTest2/App/main.py
+++ b/Test/ClosureTest2/App/main.py
@@ -1,11 +1,12 @@
 import t
 import stdio
+import testcheck

 # ============================================================
 # Test 1: nonlocal 在条件分支中修改
 # ============================================================
 def test_nonlocal_conditional():
-    stdio.printf("--- Test 1: nonlocal in conditional branches ---\n")
+    testcheck.section("Test 1: nonlocal in conditional branches")
    x: t.CInt = 0
    def modify(flag: t.CInt):
        nonlocal x
@@ -16,16 +17,13 @@ def test_nonlocal_conditional():
    modify(1)
    modify(0)
    modify(1)
-    if x == 120:
-        stdio.printf("PASS: nonlocal conditional (x=%d)\n", x)
-    else:
-        stdio.printf("FAIL: nonlocal conditional (x=%d, expect 120)\n", x)
+    testcheck.check(x == 120, "nonlocal conditional (x == 120)", "nonlocal conditional (expect 120)")

 # ============================================================
 # Test 2: 多个nonlocal变量同时修改
 # ============================================================
 def test_nonlocal_multi_var():
-    stdio.printf("--- Test 2: multiple nonlocal variables ---\n")
+    testcheck.section("Test 2: multiple nonlocal variables")
    a: t.CInt = 1
    b: t.CInt = 2
    c_val: t.CInt = 3
@@ -36,10 +34,7 @@ def test_nonlocal_multi_var():
        b = c_val
        c_val = tmp
    swap_add()
-    if a == 2 and b == 3 and c_val == 1:
-        stdio.printf("PASS: multi nonlocal (a=%d b=%d c=%d)\n", a, b, c_val)
-    else:
-        stdio.printf("FAIL: multi nonlocal (a=%d b=%d c=%d, expect 2 3 1)\n", a, b, c_val)
+    testcheck.check(a == 2 and b == 3 and c_val == 1, "multi nonlocal (a==2 b==3 c==1)", "multi nonlocal (expect 2 3 1)")

 # ============================================================
 # Test 3: global 在多个函数中交叉修改
@@ -55,55 +50,46 @@ def add_global(n: t.CInt):
    g_counter += n

 def test_global_cross_functions():
-    stdio.printf("--- Test 3: global cross-function modification ---\n")
+    testcheck.section("Test 3: global cross-function modification")
    global g_counter
    g_counter = 0
    inc_global()
    inc_global()
    add_global(10)
    inc_global()
-    if g_counter == 13:
-        stdio.printf("PASS: global cross (g_counter=%d)\n", g_counter)
-    else:
-        stdio.printf("FAIL: global cross (g_counter=%d, expect 13)\n", g_counter)
+    testcheck.check(g_counter == 13, "global cross (g_counter == 13)", "global cross (expect 13)")

 # ============================================================
 # Test 4: 嵌套函数修改外层局部变量（引用捕获）
 # ============================================================
 def test_nested_ref_capture():
-    stdio.printf("--- Test 4: nested function ref capture ---\n")
-    arr: list[t.CInt, 4] = [0]
+    testcheck.section("Test 4: nested function ref capture")
+    arr: t.CArray[t.CInt, 4] = [0]
    def fill():
        nonlocal arr
        for i in range(4):
            arr[i] = (i + 1) * 10
    fill()
    total: t.CInt = arr[0] + arr[1] + arr[2] + arr[3]
-    if total == 100:
-        stdio.printf("PASS: ref capture (total=%d)\n", total)
-    else:
-        stdio.printf("FAIL: ref capture (total=%d, expect 100)\n", total)
+    testcheck.check(total == 100, "ref capture (total == 100)", "ref capture (expect 100)")

 # ============================================================
 # Test 5: lambda捕获后修改原变量
 # ============================================================
 def test_lambda_capture_then_modify():
-    stdio.printf("--- Test 5: lambda capture then modify ---\n")
+    testcheck.section("Test 5: lambda capture then modify")
    x: t.CInt = 10
    f = lambda: x
    r1: t.CInt = f()
    x = 20
    r2: t.CInt = f()
-    if r1 == 10 and r2 == 10:
-        stdio.printf("PASS: lambda value capture (before=%d after=%d)\n", r1, r2)
-    else:
-        stdio.printf("FAIL: lambda value capture (before=%d after=%d, expect 10 10)\n", r1, r2)
+    testcheck.check(r1 == 10 and r2 == 10, "lambda value capture (before==10 after==10)", "lambda value capture (expect 10 10)")

 # ============================================================
 # Test 6: 嵌套函数中nonlocal与循环结合
 # ============================================================
 def test_nonlocal_loop_accumulate():
-    stdio.printf("--- Test 6: nonlocal with loop accumulate ---\n")
+    testcheck.section("Test 6: nonlocal with loop accumulate")
    sum_val: t.CInt = 0
    count: t.CInt = 0
    def add_numbers(n: t.CInt):
@@ -113,16 +99,13 @@ def test_nonlocal_loop_accumulate():
            count += 1
    add_numbers(5)  # 1+2+3+4+5=15
    add_numbers(3)  # 1+2+3=6
-    if sum_val == 21 and count == 8:
-        stdio.printf("PASS: loop accumulate (sum=%d count=%d)\n", sum_val, count)
-    else:
-        stdio.printf("FAIL: loop accumulate (sum=%d count=%d, expect 21 8)\n", sum_val, count)
+    testcheck.check(sum_val == 21 and count == 8, "loop accumulate (sum==21 count==8)", "loop accumulate (expect 21 8)")

 # ============================================================
 # Test 7: 三层嵌套中每层修改不同变量
 # ============================================================
 def test_deep_nested_vars():
-    stdio.printf("--- Test 7: deep nested different vars ---\n")
+    testcheck.section("Test 7: deep nested different vars")
    a: t.CInt = 0
    b: t.CInt = 0
    c_val: t.CInt = 0
@@ -139,10 +122,7 @@ def test_deep_nested_vars():
        level2()
    level1()
    level1()
-    if a == 2 and b == 20 and c_val == 200:
-        stdio.printf("PASS: deep nested (a=%d b=%d c=%d)\n", a, b, c_val)
-    else:
-        stdio.printf("FAIL: deep nested (a=%d b=%d c=%d, expect 2 20 200)\n", a, b, c_val)
+    testcheck.check(a == 2 and b == 20 and c_val == 200, "deep nested (a==2 b==20 c==200)", "deep nested (expect 2 20 200)")

 # ============================================================
 # Test 8: global + nonlocal 在同一嵌套函数中
@@ -150,7 +130,7 @@ def test_deep_nested_vars():
 g_state: t.CInt = 0

 def test_global_nonlocal_same_func():
-    stdio.printf("--- Test 8: global+nonlocal in same nested func ---\n")
+    testcheck.section("Test 8: global+nonlocal in same nested func")
    global g_state
    g_state = 0
    local_state: t.CInt = 0
@@ -161,30 +141,24 @@ def test_global_nonlocal_same_func():
            g_state += 1
            local_state += 2
    worker(5)
-    if g_state == 5 and local_state == 10:
-        stdio.printf("PASS: global+nonlocal same (g=%d l=%d)\n", g_state, local_state)
-    else:
-        stdio.printf("FAIL: global+nonlocal same (g=%d l=%d, expect 5 10)\n", g_state, local_state)
+    testcheck.check(g_state == 5 and local_state == 10, "global+nonlocal same (g==5 l==10)", "global+nonlocal same (expect 5 10)")

 # ============================================================
 # Test 9: lambda带默认参数与捕获
 # ============================================================
 def test_lambda_default_and_capture():
-    stdio.printf("--- Test 9: lambda with arg and capture ---\n")
+    testcheck.section("Test 9: lambda with arg and capture")
    base: t.CInt = 100
    multiply = lambda x: base * x
    r1: t.CInt = multiply(3)
    r2: t.CInt = multiply(5)
-    if r1 == 300 and r2 == 500:
-        stdio.printf("PASS: lambda arg+capture (100*3=%d 100*5=%d)\n", r1, r2)
-    else:
-        stdio.printf("FAIL: lambda arg+capture (100*3=%d 100*5=%d, expect 300 500)\n", r1, r2)
+    testcheck.check(r1 == 300 and r2 == 500, "lambda arg+capture (100*3==300 100*5==500)", "lambda arg+capture (expect 300 500)")

 # ============================================================
 # Test 10: 嵌套函数多次调用累积
 # ============================================================
 def test_nested_accumulate():
-    stdio.printf("--- Test 10: nested function accumulate ---\n")
+    testcheck.section("Test 10: nested function accumulate")
    total: t.CInt = 0
    def add_val(n: t.CInt):
        nonlocal total
@@ -192,16 +166,13 @@ def test_nested_accumulate():
    add_val(10)
    add_val(20)
    add_val(30)
-    if total == 60:
-        stdio.printf("PASS: nested accumulate (total=%d)\n", total)
-    else:
-        stdio.printf("FAIL: nested accumulate (total=%d, expect 60)\n", total)
+    testcheck.check(total == 60, "nested accumulate (total == 60)", "nested accumulate (expect 60)")

 # ============================================================
 # Test 11: nonlocal在while循环中
 # ============================================================
 def test_nonlocal_while():
-    stdio.printf("--- Test 11: nonlocal in while loop ---\n")
+    testcheck.section("Test 11: nonlocal in while loop")
    result: t.CInt = 0
    def countdown(n: t.CInt):
        nonlocal result
@@ -210,10 +181,7 @@ def test_nonlocal_while():
            result += i
            i -= 1
    countdown(5)  # 5+4+3+2+1=15
-    if result == 15:
-        stdio.printf("PASS: nonlocal while (result=%d)\n", result)
-    else:
-        stdio.printf("FAIL: nonlocal while (result=%d, expect 15)\n", result)
+    testcheck.check(result == 15, "nonlocal while (result == 15)", "nonlocal while (expect 15)")

 # ============================================================
 # Test 12: 嵌套函数修改结构体字段
@@ -223,7 +191,7 @@ class Point:
    y: t.CInt

 def test_nested_modify_struct():
-    stdio.printf("--- Test 12: nested modify struct ---\n")
+    testcheck.section("Test 12: nested modify struct")
    p: Point = Point()
    p.x = 0
    p.y = 0
@@ -233,13 +201,10 @@ def test_nested_modify_struct():
        p.y += dy
    translate(10, 20)
    translate(5, 15)
-    if p.x == 15 and p.y == 35:
-        stdio.printf("PASS: nested struct (x=%d y=%d)\n", p.x, p.y)
-    else:
-        stdio.printf("FAIL: nested struct (x=%d y=%d, expect 15 35)\n", p.x, p.y)
+    testcheck.check(p.x == 15 and p.y == 35, "nested struct (x==15 y==35)", "nested struct (expect 15 35)")

 def main() -> t.CInt:
-    stdio.printf("=== ClosureTest2: Advanced Closure/Lambda/Global/Nonlocal ===\n\n")
+    testcheck.begin("ClosureTest2: Advanced Closure/Lambda/Global/Nonlocal")
    test_nonlocal_conditional()
    test_nonlocal_multi_var()
    test_global_cross_functions()
@@ -252,5 +217,4 @@ def main() -> t.CInt:
    test_nested_accumulate()
    test_nonlocal_while()
    test_nested_modify_struct()
-    stdio.printf("\n=== ClosureTest2 Complete ===\n")
-    return 0
+    return testcheck.end()
--- a/Test/ClosureTest2/output/052c7f96b9eefa2c.deps.json
+++ b/Test/ClosureTest2/output/052c7f96b9eefa2c.deps.json
@@ -1 +0,0 @@
-{"stdio": "73edbcf76e32d00b"}
--- a/Test/ClosureTest2/output/440f18f9dce85a95.deps.json
+++ b/Test/ClosureTest2/output/440f18f9dce85a95.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/ClosureTest2/output/9dbecd0942a39782.deps.json
+++ b/Test/ClosureTest2/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"main": "440f18f9dce85a95", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/ClosureTest2/temp/440f18f9dce85a95.pyi
+++ b/Test/ClosureTest2/temp/440f18f9dce85a95.pyi
@@ -8,6 +8,7 @@ import c

 import t
 import stdio
+import testcheck

 def test_nonlocal_conditional() -> t.CInt: pass

--- a/Test/ClosureTest2/temp/9dbecd0942a39782.pyi
+++ b/Test/ClosureTest2/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/ClosureTest2/temp/_sha1_map.txt
+++ b/Test/ClosureTest2/temp/_sha1_map.txt
@@ -1,2 +1,3 @@
-052c7f96b9eefa2c:main.py
+440f18f9dce85a95:main.py
 73edbcf76e32d00b:includes/stdio.py
+9dbecd0942a39782:includes/testcheck.py
--- a/Test/DecoratorMarkerTest/App/main.py
+++ b/Test/DecoratorMarkerTest/App/main.py
@@ -0,0 +1,77 @@
+import t
+from stdio import printf
+import testcheck
+
+
+# 装饰器形式：@t.CStruct 等同于 class Point(t.CStruct):
+@t.CStruct
+class Point:
+    x: t.CInt
+    y: t.CInt
+
+
+# 装饰器形式：@t.CEnum 等同于 class Color(t.CEnum):
+@t.CEnum
+class Color:
+    RED = 1
+    GREEN = 2
+    BLUE = 3
+
+
+# 装饰器形式：@t.CUnion 等同于 class Data(t.CUnion):
+@t.CUnion
+class Data:
+    i: t.CInt
+    f: t.CFloat
+
+
+# 装饰器形式：@t.CExport 等同于 def test() -> t.CInt | t.CExport:
+@t.CExport
+def test() -> t.CInt:
+    printf("test_export called\n")
+    return 42
+
+
+# 装饰器形式：@t.CStatic 等同于 def static_func() -> t.CInt | t.CStatic:
+@t.CStatic
+def static_func() -> t.CInt:
+    return 100
+
+
+# 混合形式：装饰器 + 注解
+@t.CStatic
+def mixed_func() -> t.CInt | t.CExport:
+    return 200
+
+
+def main() -> t.CInt:
+    testcheck.begin("DecoratorMarkerTest: 装饰器标记测试")
+
+    p: Point = Point()
+    p.x = 10
+    p.y = 20
+    printf("Point: (%d, %d)\n", p.x, p.y)
+    testcheck.check(p.x == 10 and p.y == 20, "Point (10, 20)", "Point expect (10, 20)")
+
+    c: t.CInt = Color.GREEN
+    printf("Color: %d\n", c)
+    testcheck.check(c == 2, "Color.GREEN == 2", "Color.GREEN expect 2")
+
+    d: Data = Data()
+    d.i = 65
+    printf("Data.i: %d\n", d.i)
+    testcheck.check(d.i == 65, "Data.i == 65", "Data.i expect 65")
+
+    ret: t.CInt = test()
+    printf("test() returned: %d\n", ret)
+    testcheck.check(ret == 42, "test() returned 42", "test() expect 42")
+
+    s: t.CInt = static_func()
+    printf("static_func() returned: %d\n", s)
+    testcheck.check(s == 100, "static_func() returned 100", "static_func() expect 100")
+
+    m: t.CInt = mixed_func()
+    printf("mixed_func() returned: %d\n", m)
+    testcheck.check(m == 200, "mixed_func() returned 200", "mixed_func() expect 200")
+
+    return testcheck.end()
--- a/Test/DecoratorMarkerTest/output/9dbecd0942a39782.deps.json
+++ b/Test/DecoratorMarkerTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "main": "b1122357fee8fd68"}
--- a/Test/DecoratorMarkerTest/output/b1122357fee8fd68.deps.json
+++ b/Test/DecoratorMarkerTest/output/b1122357fee8fd68.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/DecoratorMarkerTest/project.json
+++ b/Test/DecoratorMarkerTest/project.json
@@ -0,0 +1,29 @@
+{
+    "$schema": "https://raw.githubusercontent.com/TermiNexus/TransPyC/main/schemas/project-schema.json",
+    "name": "DecoratorMarkerTest",
+    "version": "1.0.0",
+    "source_dir": "./App",
+    "temp_dir": "./temp",
+    "output_dir": "./output",
+    "compiler": {
+        "cmd": "llc",
+        "flags": ["-filetype=obj", "-relocation-model=pic"]
+    },
+    "linker": {
+        "cmd": "clang++",
+        "flags": ["-lmsvcrt", "-lucrt", "-lpthread", "-lmingwex", "-lkernel32", "-Wl,--allow-multiple-definition"],
+        "output": "DecoratorMarkerTest.exe"
+    },
+    "includes": [
+        "../../includes"
+    ],
+    "target": {
+        "triple": "x86_64-pc-windows-gnu",
+        "datalayout": "e-m:w-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+    },
+    "options": {
+        "slice_level": 3,
+        "target": "llvm",
+        "strict_mode": true
+    }
+}
--- a/Test/DecoratorMarkerTest/temp/73edbcf76e32d00b.pyi
+++ b/Test/DecoratorMarkerTest/temp/73edbcf76e32d00b.pyi
@@ -0,0 +1,28 @@
+"""
+Auto-generated Python stub file from stdio.py
+Module: stdio
+"""
+
+
+import t, c
+
+def printf(fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fprintf(stream: t.CVoid | t.CPtr, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def sprintf(buf: t.CChar | t.CPtr, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def snprintf(buf: t.CChar | t.CPtr, size: t.CSizeT, fmt: t.CChar | t.CConst | t.CPtr, *args) -> t.CInt | t.CExtern | t.CExport: pass
+
+def puts(s: t.CChar | t.CConst | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fputs(s: t.CChar | t.CConst | t.CPtr, stream: t.CVoid | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+def fgets(buf: t.CChar | t.CPtr, size: t.CInt, stream: t.CVoid | t.CPtr) -> t.CChar | t.CPtr | t.CExtern | t.CExport: pass
+
+def fflush(stream: t.CVoid | t.CPtr) -> t.CInt | t.CExtern | t.CExport: pass
+
+
+stdin: t.CExtern | t.CVoid | t.CPtr
+stdout: t.CExtern | t.CVoid | t.CPtr
+stderr: t.CExtern | t.CVoid | t.CPtr
--- a/Test/DecoratorMarkerTest/temp/9dbecd0942a39782.pyi
+++ b/Test/DecoratorMarkerTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/DecoratorMarkerTest/temp/_sha1_map.txt
+++ b/Test/DecoratorMarkerTest/temp/_sha1_map.txt
@@ -0,0 +1,3 @@
+73edbcf76e32d00b:includes/stdio.py
+9dbecd0942a39782:includes/testcheck.py
+b1122357fee8fd68:main.py
--- a/Test/DecoratorMarkerTest/temp/b1122357fee8fd68.pyi
+++ b/Test/DecoratorMarkerTest/temp/b1122357fee8fd68.pyi
@@ -0,0 +1,36 @@
+"""
+Auto-generated Python stub file from main.py
+Module: main
+"""
+
+import c
+
+
+import t
+from stdio import printf
+import testcheck
+
+@t.CStruct
+class Point:
+    x: t.CInt
+    y: t.CInt
+@t.CEnum
+class Color:
+    RED = 1
+    GREEN = 2
+    BLUE = 3
+@t.CUnion
+class Data:
+    i: t.CInt
+    f: t.CFloat
+
+@t.CExport
+def test() -> t.CInt: pass
+
+@t.CStatic
+def static_func() -> t.CInt: pass
+
+@t.CStatic
+def mixed_func() -> t.CInt | t.CExport: pass
+
+def main() -> t.CInt: pass
--- a/Test/DecoratorTest/App/main.py
+++ b/Test/DecoratorTest/App/main.py
@@ -1,5 +1,6 @@
 import t
 from stdio import printf
+import testcheck

 # ============================================================
 # 自定义装饰器处理函数
@@ -226,65 +227,72 @@ def fib(n: t.CInt) -> t.CInt | t.CExport:
 # ============================================================

 def main() -> t.CInt | t.CExport:
-    printf("=== Decorator Test v4 ===\n\n")
+    testcheck.begin("Decorator Test v4")

    # 测试 1：单个 @log
-    printf("--- Test 1: single @log ---\n")
+    testcheck.section("Test 1: single @log")
    r1: t.CInt = add(3, 4)
-    printf("add(3,4) = %d\n\n", r1)
+    printf("add(3,4) = %d\n", r1)
+    testcheck.check(r1 == 7, "add(3,4) = 7", "add(3,4) expect 7")

    # 测试 2：链式 @log @trace
-    printf("--- Test 2: chained @log @trace ---\n")
+    testcheck.section("Test 2: chained @log @trace")
    r2: t.CInt = multiply(5, 6)
-    printf("multiply(5,6) = %d\n\n", r2)
+    printf("multiply(5,6) = %d\n", r2)
+    testcheck.check(r2 == 30, "multiply(5,6) = 30", "multiply(5,6) expect 30")

    # 测试 3：void 返回
-    printf("--- Test 3: @log on void function ---\n")
+    testcheck.section("Test 3: @log on void function")
    greet("Viper")
-    printf("\n")
+    testcheck.ok("@log on void function greet")

    # 测试 4：无参数
-    printf("--- Test 4: @log on no-arg function ---\n")
+    testcheck.section("Test 4: @log on no-arg function")
    r4: t.CInt = get_value()
-    printf("get_value() = %d\n\n", r4)
+    printf("get_value() = %d\n", r4)
+    testcheck.check(r4 == 42, "get_value() = 42", "get_value() expect 42")

    # 测试 5：@timing
-    printf("--- Test 5: @timing ---\n")
+    testcheck.section("Test 5: @timing")
    r5: t.CInt = compute(7)
-    printf("compute(7) = %d\n\n", r5)
+    printf("compute(7) = %d\n", r5)
+    testcheck.check(r5 == 50, "compute(7) = 50", "compute(7) expect 50")

    # 测试 6：@repeat(3) — 流程劫持，循环 3 次
-    printf("--- Test 6: @repeat(3) flow hijack ---\n")
+    testcheck.section("Test 6: @repeat(3) flow hijack")
    echo("hello")
-    printf("\n")
+    testcheck.ok("@repeat(3) flow hijack echo")

    # 测试 7：链式 @timing @log
-    printf("--- Test 7: chained @timing @log ---\n")
+    testcheck.section("Test 7: chained @timing @log")
    r7: t.CInt = power(2, 10)
-    printf("power(2,10) = %d\n\n", r7)
+    printf("power(2,10) = %d\n", r7)
+    testcheck.check(r7 == 1024, "power(2,10) = 1024", "power(2,10) expect 1024")

    # 测试 8：@skip — 跳过原函数调用
-    printf("--- Test 8: @skip flow hijack ---\n")
+    testcheck.section("Test 8: @skip flow hijack")
    r8: t.CInt = dangerous()
-    printf("dangerous() = %d (should be 0, skipped)\n\n", r8)
+    printf("dangerous() = %d (should be 0, skipped)\n", r8)
+    testcheck.check(r8 == 0, "dangerous() skipped = 0", "dangerous() expect 0")

    # 测试 9：@repeat(3) 有返回值
-    printf("--- Test 9: @repeat(3) with return value ---\n")
+    testcheck.section("Test 9: @repeat(3) with return value")
    r9: t.CInt = accumulate(5)
-    printf("accumulate(5) = %d (last iteration result)\n\n", r9)
+    printf("accumulate(5) = %d (last iteration result)\n", r9)
+    testcheck.check(r9 == 50, "accumulate(5) = 50", "accumulate(5) expect 50")

    # 测试 10：递归装饰保护 — @count_calls
-    printf("--- Test 10: recursive decoration protection ---\n")
+    testcheck.section("Test 10: recursive decoration protection")
    _call_count = 0
    r10: t.CInt = factorial(5)
    printf("factorial(5) = %d (should be 120)\n", r10)
-    printf("  decorator call count = %d (should be 1, not 5)\n\n", _call_count)
+    printf("  decorator call count = %d (should be 1, not 5)\n", _call_count)
+    testcheck.check(r10 == 120 and _call_count == 1, "factorial(5)=120, calls=1", "factorial(5) expect 120, calls=1")

    # 测试 11：@log 递归保护 — fib
-    printf("--- Test 11: @log on recursive fib ---\n")
+    testcheck.section("Test 11: @log on recursive fib")
    r11: t.CInt = fib(6)
    printf("fib(6) = %d (should be 8)\n", r11)
-    printf("  (should see only 1 LOG enter/exit pair)\n\n")
+    testcheck.check(r11 == 8, "fib(6) = 8", "fib(6) expect 8")

-    printf("=== All decorator tests done ===\n")
-    return 0
+    return testcheck.end()
--- a/Test/DecoratorTest/output/577f9e1aa32b17f8.deps.json
+++ b/Test/DecoratorTest/output/577f9e1aa32b17f8.deps.json
@@ -1 +0,0 @@
-{"stdio": "73edbcf76e32d00b"}
--- a/Test/DecoratorTest/output/814e6b31adfc6256.deps.json
+++ b/Test/DecoratorTest/output/814e6b31adfc6256.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}
--- a/Test/DecoratorTest/output/9dbecd0942a39782.deps.json
+++ b/Test/DecoratorTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"stdio": "73edbcf76e32d00b", "main": "814e6b31adfc6256", "testcheck": "9dbecd0942a39782"}
--- a/Test/DecoratorTest/temp/814e6b31adfc6256.pyi
+++ b/Test/DecoratorTest/temp/814e6b31adfc6256.pyi
@@ -8,6 +8,7 @@ import c

 import t
 from stdio import printf
+import testcheck

 def log(ctx: t.CVoid | t.CPtr, func_name: str, phase: t.CInt, args_ptr: t.CVoid | t.CPtr, ret_ptr: t.CVoid | t.CPtr, decor_args_ptr: t.CVoid | t.CPtr) -> t.CInt | t.CExport: pass

--- a/Test/DecoratorTest/temp/9dbecd0942a39782.pyi
+++ b/Test/DecoratorTest/temp/9dbecd0942a39782.pyi
@@ -0,0 +1,25 @@
+"""
+Auto-generated Python stub file from testcheck.py
+Module: testcheck
+"""
+
+
+import t, c
+import stdio
+
+_pass_count: t.CExtern | t.CInt
+_fail_count: t.CExtern | t.CInt
+
+def begin(name: str) -> t.CInt: pass
+
+def section(name: str) -> t.CInt: pass
+
+def ok(msg: str) -> t.CInt: pass
+
+def fail(msg: str) -> t.CInt: pass
+
+def check(cond: t.CInt, ok_msg: str, fail_msg: str) -> t.CInt: pass
+
+def info(msg: str) -> t.CInt: pass
+
+def end() -> t.CInt: pass
--- a/Test/DecoratorTest/temp/_sha1_map.txt
+++ b/Test/DecoratorTest/temp/_sha1_map.txt
@@ -1,2 +1,3 @@
-577f9e1aa32b17f8:main.py
 73edbcf76e32d00b:includes/stdio.py
+814e6b31adfc6256:main.py
+9dbecd0942a39782:includes/testcheck.py
--- a/Test/DictTest/App/main.py
+++ b/Test/DictTest/App/main.py
@@ -0,0 +1,230 @@
+from stdint import *
+import w32.win32console
+import t, c
+from t import CInt, CExport
+import stdio
+import stdlib
+import string
+import mbuddy
+import mpool
+import testcheck
+
+
+def main() -> CInt | CExport:
+    w32.win32console.SetConsoleCP(65001)
+    w32.win32console.SetConsoleOutputCP(65001)
+
+    testcheck.begin("DictTest: 万能 dict (Variant 存储) 测试")
+
+    # 分配内存竞技场
+    arena: bytes = stdlib.malloc(65536)
+    bd: mbuddy.MBuddy | t.CPtr = mbuddy.MBuddy(arena, 65536)
+
+    # === Test 1: dict set_int / c.Deref 基本操作 ===
+    testcheck.section("Test 1: dict set_int / c.Deref 基本操作")
+    d: dict = dict(bd)
+    d.set_int("alpha", 10)
+    d.set_int("beta", 20)
+    d.set_int("gamma", 30)
+    n: t.CSizeT = len(d)
+    stdio.printf("len=%lu\n", n)
+    testcheck.check(n == 3, "dict len OK (3)", "dict len FAILED")
+
+    p1: t.CPtr = d["alpha"]
+    stdio.printf("p1=%p\n", p1)
+    p2: t.CPtr = d["beta"]
+    stdio.printf("p2=%p\n", p2)
+    p3: t.CPtr = d["gamma"]
+    stdio.printf("p3=%p\n", p3)
+    v1: int = c.Deref(p1)
+    stdio.printf("v1=%d\n", v1)
+    v2: int = c.Deref(p2)
+    v3: int = c.Deref(p3)
+    stdio.printf("alpha=%d beta=%d gamma=%d\n", v1, v2, v3)
+    testcheck.check(v1 == 10, "dict[alpha]==10 OK", "dict[alpha] FAILED")
+    testcheck.check(v2 == 20, "dict[beta]==20 OK", "dict[beta] FAILED")
+    testcheck.check(v3 == 30, "dict[gamma]==30 OK", "dict[gamma] FAILED")
+
+    # === Test 2: 更新已有键 ===
+    testcheck.section("Test 2: 更新已有键")
+    d.set_int("beta", 99)
+    p2b: t.CPtr = d["beta"]
+    v2b: int = c.Deref(p2b)
+    stdio.printf("beta(updated)=%d\n", v2b)
+    testcheck.check(v2b == 99, "dict update OK", "dict update FAILED")
+    testcheck.check(len(d) == 3, "dict len still 3 OK", "dict len changed FAILED")
+
+    # === Test 3: get with default ===
+    testcheck.section("Test 3: get with default")
+    gv: t.CPtr = d.get("missing", None)
+    testcheck.check(gv == None, "dict get missing OK (None)", "dict get missing FAILED")
+
+    gp: t.CPtr = d.get("alpha", None)
+    ga: int = c.Deref(gp)
+    stdio.printf("get(alpha)=%d\n", ga)
+    testcheck.check(ga == 10, "dict get existing OK", "dict get existing FAILED")
+
+    # === Test 4: contains ===
+    testcheck.section("Test 4: contains")
+    has_alpha: t.CInt = d.contains("alpha")
+    has_missing: t.CInt = d.contains("missing")
+    stdio.printf("contains(alpha)=%d contains(missing)=%d\n", has_alpha, has_missing)
+    testcheck.check(has_alpha == 1, "contains alpha OK", "contains alpha FAILED")
+    testcheck.check(has_missing == 0, "not contains missing OK", "contains missing FAILED")
+
+    # === Test 5: 迭代器 ===
+    testcheck.section("Test 5: 迭代器 for key in dict")
+    iter_count: int = 0
+    for key in d:
+        kp: t.CPtr = d[key]
+        val: int = c.Deref(kp)
+        stdio.printf("dict[%s]=%d\n", key, val)
+        iter_count += 1
+    testcheck.check(iter_count == 3, "dict iter OK (3)", "dict iter FAILED")
+
+    # === Test 6: dict set_str 字符串值 ===
+    testcheck.section("Test 6: dict set_str 字符串值")
+    d2: dict = dict(bd)
+    d2.set_str("name", "Alice")
+    d2.set_str("city", "Beijing")
+    d2.set_str("lang", "TransPyC")
+    n2: t.CSizeT = len(d2)
+    stdio.printf("d2 len=%lu\n", n2)
+    testcheck.check(n2 == 3, "dict set_str len OK (3)", "dict set_str len FAILED")
+
+    name_p: t.CPtr = d2["name"]
+    city_p: t.CPtr = d2["city"]
+    lang_p: t.CPtr = d2["lang"]
+    name: str = name_p
+    city: str = city_p
+    lang: str = lang_p
+    stdio.printf("name=%s city=%s lang=%s\n", name, city, lang)
+    testcheck.check(string.strcmp(name, "Alice") == 0, "dict str name OK", "dict str name FAILED")
+    testcheck.check(string.strcmp(city, "Beijing") == 0, "dict str city OK", "dict str city FAILED")
+    testcheck.check(string.strcmp(lang, "TransPyC") == 0, "dict str lang OK", "dict str lang FAILED")
+
+    # === Test 7: dict[str] 迭代 ===
+    testcheck.section("Test 7: dict 迭代 (str values)")
+    str_iter_count: int = 0
+    for k in d2:
+        svp: t.CPtr = d2[k]
+        sv: str = svp
+        stdio.printf("d2[%s]=%s\n", k, sv)
+        str_iter_count += 1
+    testcheck.check(str_iter_count == 3, "dict str iter OK (3)", "dict str iter FAILED")
+
+    # === Test 8: 扩容测试 ===
+    testcheck.section("Test 8: 扩容测试 (>8 个元素)")
+    d3: dict = dict(bd)
+    i: int = 0
+    while i < 20:
+        key_buf: str = stdlib.malloc(16)
+        stdio.sprintf(key_buf, "key%d", i)
+        d3.set_int(key_buf, i * 100)
+        i += 1
+    n3: t.CSizeT = len(d3)
+    stdio.printf("d3 len=%lu (after 20 inserts)\n", n3)
+    testcheck.check(n3 == 20, "dict expand OK (20)", "dict expand FAILED")
+
+    # 验证几个值
+    k5: str = stdlib.malloc(16)
+    stdio.sprintf(k5, "key5")
+    p5: t.CPtr = d3[k5]
+    v5: int = c.Deref(p5)
+    stdio.printf("d3[key5]=%d\n", v5)
+    testcheck.check(v5 == 500, "dict expand key5 OK", "dict expand key5 FAILED")
+
+    k15: str = stdlib.malloc(16)
+    stdio.sprintf(k15, "key15")
+    p15: t.CPtr = d3[k15]
+    v15: int = c.Deref(p15)
+    stdio.printf("d3[key15]=%d\n", v15)
+    testcheck.check(v15 == 1500, "dict expand key15 OK", "dict expand key15 FAILED")
+
+    # === Test 9: JSON dumps ===
+    testcheck.section("Test 9: JSON dumps")
+    pool_mem: bytes = stdlib.malloc(65536)
+    pool: mpool.MPool = mpool.MPool(pool_mem, 65536, 0)
+
+    jd: dict = dict(bd)
+    jd.set_int("x", 100)
+    jd.set_int("y", 200)
+    jd.set_int("z", 300)
+
+    json_str: str = jd.dumps(pool)
+    stdio.printf("JSON dumps: %s\n", json_str)
+    testcheck.check(json_str != None, "dumps OK", "dumps FAILED (null)")
+
+    # === Test 10: JSON loads ===
+    testcheck.section("Test 10: JSON loads")
+    jd2: dict = dict(bd)
+    jd2.loads(pool, "{\"x\":1,\"y\":2,\"z\":3}")
+    xp: t.CPtr = jd2["x"]
+    yp: t.CPtr = jd2["y"]
+    zp: t.CPtr = jd2["z"]
+    xv: int = c.Deref(xp)
+    yv: int = c.Deref(yp)
+    zv: int = c.Deref(zp)
+    stdio.printf("loads: x=%d y=%d z=%d\n", xv, yv, zv)
+    testcheck.check(xv == 1, "loads x OK", "loads x FAILED")
+    testcheck.check(yv == 2, "loads y OK", "loads y FAILED")
+    testcheck.check(zv == 3, "loads z OK", "loads z FAILED")
+
+    # === Test 11: JSON dumps (str values) ===
+    testcheck.section("Test 11: JSON dumps (str values)")
+    jd3: dict = dict(bd)
+    jd3.set_str("name", "Alice")
+    jd3.set_str("city", "Beijing")
+
+    json_str2: str = jd3.dumps(pool)
+    stdio.printf("JSON dumps (str): %s\n", json_str2)
+    testcheck.check(json_str2 != None, "dumps str OK", "dumps str FAILED (null)")
+
+    # === Test 12: JSON round-trip ===
+    testcheck.section("Test 12: JSON round-trip")
+    rt: dict = dict(bd)
+    rt.set_int("a", 1)
+    rt.set_int("b", 2)
+    rt_str: str = rt.dumps(pool)
+    stdio.printf("round-trip dump: %s\n", rt_str)
+    rt2: dict = dict(bd)
+    rt2.loads(pool, rt_str)
+    rta_p: t.CPtr = rt2["a"]
+    rtb_p: t.CPtr = rt2["b"]
+    rta: int = c.Deref(rta_p)
+    rtb: int = c.Deref(rtb_p)
+    stdio.printf("round-trip: a=%d b=%d\n", rta, rtb)
+    testcheck.check(rta == 1, "round-trip a OK", "round-trip a FAILED")
+    testcheck.check(rtb == 2, "round-trip b OK", "round-trip b FAILED")
+
+    # === Test 13: 嵌套 dict ===
+    testcheck.section("Test 13: 嵌套 dict")
+    outer: dict = dict(bd)
+    inner: dict = dict(bd)
+    inner.set_int("a", 1)
+    inner.set_int("b", 2)
+    outer.set_dict("sub", inner)
+
+    sub_p: t.CPtr = outer["sub"]
+    sub: dict = sub_p
+    sa_p: t.CPtr = sub["a"]
+    sb_p: t.CPtr = sub["b"]
+    sa: int = c.Deref(sa_p)
+    sb: int = c.Deref(sb_p)
+    stdio.printf("nested: sub.a=%d sub.b=%d\n", sa, sb)
+    testcheck.check(sa == 1, "nested sub.a OK", "nested sub.a FAILED")
+    testcheck.check(sb == 2, "nested sub.b OK", "nested sub.b FAILED")
+
+    # === Test 14: get_vtype 类型标签 ===
+    testcheck.section("Test 14: get_vtype 类型标签")
+    vt1: t.CInt = d.get_vtype("alpha")
+    vt2: t.CInt = d2.get_vtype("name")
+    vt3: t.CInt = outer.get_vtype("sub")
+    stdio.printf("vtype(alpha)=%d vtype(name)=%d vtype(sub)=%d\n", vt1, vt2, vt3)
+    testcheck.check(vt1 == 1, "vtype int OK", "vtype int FAILED")
+    testcheck.check(vt2 == 4, "vtype str OK", "vtype str FAILED")
+    testcheck.check(vt3 == 5, "vtype dict OK", "vtype dict FAILED")
+
+    stdlib.free(pool_mem)
+    stdlib.free(arena)
+    return testcheck.end()
--- a/Test/DictTest/output/067c78e9f121dce3.deps.json
+++ b/Test/DictTest/output/067c78e9f121dce3.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1", "w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3"}
--- a/Test/DictTest/output/06f53cc594b4ac6c.deps.json
+++ b/Test/DictTest/output/06f53cc594b4ac6c.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1", "w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "w32.win32sync": "06f53cc594b4ac6c", "win32sync": "06f53cc594b4ac6c"}
--- a/Test/DictTest/output/0991af0d22263577.deps.json
+++ b/Test/DictTest/output/0991af0d22263577.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/0eaa586c42dcd931.deps.json
+++ b/Test/DictTest/output/0eaa586c42dcd931.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/271ea3decb810db2.deps.json
+++ b/Test/DictTest/output/271ea3decb810db2.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/5a6a2137958c28c5.deps.json
+++ b/Test/DictTest/output/5a6a2137958c28c5.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/72e2d5ccb7cedcf1.deps.json
+++ b/Test/DictTest/output/72e2d5ccb7cedcf1.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1"}
--- a/Test/DictTest/output/8ee3170049c70333.deps.json
+++ b/Test/DictTest/output/8ee3170049c70333.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/9dbecd0942a39782.deps.json
+++ b/Test/DictTest/output/9dbecd0942a39782.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/abf9ce3160c9279e.deps.json
+++ b/Test/DictTest/output/abf9ce3160c9279e.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e"}
--- a/Test/DictTest/output/b5f1dc665c52a1bd.deps.json
+++ b/Test/DictTest/output/b5f1dc665c52a1bd.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/bbdf3bbd4c3bc28c.deps.json
+++ b/Test/DictTest/output/bbdf3bbd4c3bc28c.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/bd2e7db1744476fe.deps.json
+++ b/Test/DictTest/output/bd2e7db1744476fe.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Test/DictTest/output/c9f4be41ca1cc2b4.deps.json
+++ b/Test/DictTest/output/c9f4be41ca1cc2b4.deps.json
@@ -0,0 +1 @@
+{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5"}
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				{"w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3", "atom": "271ea3decb810db2", "w32.win32sync": "29813d57621099a9", "win32sync": "29813d57621099a9", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "main": "5e430ae5bf7af3a2", "stdlib": "6c2029b306556c00", "viperlib": "70b580331b822117", "stdarg": "71e0a3ffcb3ebfad", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "mbuddytest": "c53a157505aa8081", "viperio": "c9f4be41ca1cc2b4", "mbuddy": "e1937873ebfba8c3", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1"}
				`@@ -0,0 +1 @@`
				`{"stdint": "49bd8cba55979f76", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782", "main": "e3ac223bdaf94a0c"}`
				`@@ -1 +0,0 @@`
				`{"stdint": "56cdd754a8a09347", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b"}`
				`@@ -1 +0,0 @@`
				`{"stdio": "73edbcf76e32d00b", "cpython": "7c5d5ec59c5fb0a8"}`
				`@@ -0,0 +1 @@`
				`{"stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}`
				`@@ -0,0 +1 @@`
				`{"main": "52e6b51da061882f", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}`
				`@@ -0,0 +1 @@`
				`{"main": "440f18f9dce85a95", "stdio": "73edbcf76e32d00b", "testcheck": "9dbecd0942a39782"}`
				`@@ -0,0 +1 @@`
				`{"stdio": "73edbcf76e32d00b", "main": "814e6b31adfc6256", "testcheck": "9dbecd0942a39782"}`
				`@@ -0,0 +1 @@`
				{"mpool": "0991af0d22263577", "mbuddy": "0eaa586c42dcd931", "atom": "271ea3decb810db2", "stdint": "49bd8cba55979f76", "w32.win32base": "5a6a2137958c28c5", "win32base": "5a6a2137958c28c5", "stdlib": "6c2029b306556c00", "stdio": "73edbcf76e32d00b", "json.__init__": "8ee3170049c70333", "__init__": "8ee3170049c70333", "json": "8ee3170049c70333", "testcheck": "9dbecd0942a39782", "string": "b5f1dc665c52a1bd", "w32.win32console": "bbdf3bbd4c3bc28c", "win32console": "bbdf3bbd4c3bc28c", "json.__parser": "bd2e7db1744476fe", "__parser": "bd2e7db1744476fe", "viperio": "c9f4be41ca1cc2b4", "json.__writer": "eaf7a981f0ef5b22", "__writer": "eaf7a981f0ef5b22", "_dict": "f1e15ccf054b1e89", "main": "fced53b138f67cf5", "w32.win32file": "abf9ce3160c9279e", "win32file": "abf9ce3160c9279e", "w32.fileio": "fa3691e66b426950", "fileio": "fa3691e66b426950", "w32.win32memory": "72e2d5ccb7cedcf1", "win32memory": "72e2d5ccb7cedcf1", "w32.win32process": "067c78e9f121dce3", "win32process": "067c78e9f121dce3"}