snapshot before regression test

Test/StructTest/App/main.py

@@ -0,0 +1,85 @@
+import t
+import stdio
+import string
+import testcheck
+
+# 定义结构体
+class Point(t.Struct):
+    x: t.CInt
+    y: t.CInt
+
+class Rect(t.Struct):
+    origin: Point
+    size: Point
+
+class Node(t.Struct):
+    value: t.CInt
+    next: t.CPtr | t.CVoid  # Node* 类型
+
+def test_struct_basic():
+    testcheck.section("Test 1: struct basic")
+    p: Point = Point()
+    p.x = 10
+    p.y = 20
+    testcheck.check(p.x == 10 and p.y == 20, "struct basic (x=10 y=20)", "struct basic (x y expect 10 20)")
+
+def test_struct_nested():
+    testcheck.section("Test 2: struct nested")
+    r: Rect = Rect()
+    r.origin.x = 1
+    r.origin.y = 2
+    r.size.x = 100
+    r.size.y = 200
+    testcheck.check(r.origin.x == 1 and r.origin.y == 2 and r.size.x == 100 and r.size.y == 200, "struct nested (origin=1,2 size=100,200)", "struct nested (mismatch)")
+
+def test_struct_pointer():
+    testcheck.section("Test 3: struct pointer")
+    p: Point = Point()
+    p.x = 42
+    p.y = 84
+    # 取结构体指针
+    pp: Point | t.CPtr = t.CPtr(t.CVoid(t.CUInt64T(p), t.CPtr))
+    # 通过指针修改
+    pp.x = 100
+    pp.y = 200
+    # 检查原始结构体是否被修改
+    testcheck.check(p.x == 100 and p.y == 200, "struct pointer (x=100 y=200)", "struct pointer (x y expect 100 200)")
+
+def test_struct_param():
+    testcheck.section("Test 4: struct as parameter")
+    p: Point = Point()
+    p.x = 5
+    p.y = 15
+    sum_val: t.CInt = point_sum(p)
+    testcheck.check(sum_val == 20, "struct param (sum=20)", "struct param (sum expect 20)")
+
+def point_sum(p: Point) -> t.CInt:
+    return p.x + p.y
+
+def test_struct_array():
+    testcheck.section("Test 5: struct array")
+    # 分配结构体数组
+    buf: t.CUInt8T | t.CPtr = w32.win32memory.VirtualAlloc(t.CVoid(0, t.CPtr), 256, 12288, 4)
+    if t.CUInt64T(buf) == 0:
+        stdio.printf("SKIP: VirtualAlloc returned NULL\n")
+        return
+    string.memset(buf, 0, 256)
+    # 将缓冲区转为 Point 数组
+    pts: Point | t.CPtr = (Point | t.CPtr)(t.CVoid(t.CUInt64T(buf), t.CPtr))
+    pts[0].x = 1
+    pts[0].y = 2
+    pts[1].x = 3
+    pts[1].y = 4
+    total: t.CInt = pts[0].x + pts[0].y + pts[1].x + pts[1].y
+    testcheck.check(total == 10, "struct array (total=10)", "struct array (total expect 10)")
+
+import w32.win32memory
+
+def main() -> t.CInt:
+    testcheck.begin("StructTest: 结构体操作基准测试")
+    test_struct_basic()
+    test_struct_nested()
+    test_struct_pointer()
+    test_struct_param()
+    test_struct_array()
+    return testcheck.end()