snapshot before regression test

TransPyV/Test/App/func_vtable_test.py

@@ -0,0 +1,116 @@
+import stdio
+import t, c
+
+
+# ============================================================
+# 场景 A: @t.NoVTable 类 + 函数级 @t.CVTable
+#
+# NoVTableClass 标记 @t.NoVTable（类级别禁用虚表）
+# 但 VirtualMethod 标记 @t.CVTable → 该方法单独进入虚表
+# NormalMethod 无装饰器 → 不进入虚表
+# 预期: 虚表 1 个方法 (VirtualMethod)
+# ============================================================
+@t.NoVTable
+class NoVTableClass:
+    val: t.CInt
+
+    def __init__(self, v: t.CInt):
+        self.val = v
+
+    @t.CVTable
+    def VirtualMethod(self) -> t.CInt:
+        return self.val + 10
+
+    def NormalMethod(self) -> t.CInt:
+        return self.val + 20
+
+
+# ============================================================
+# 场景 B: @t.CVTable 类 + 函数级 @t.NoVTable
+#
+# CVTableClass 标记 @t.CVTable（所有方法进入虚表）
+# KeptMethod 无装饰器 → 进入虚表
+# ExcludedMethod 标记 @t.NoVTable → 排除出虚表
+# 预期: 虚表 1 个方法 (KeptMethod)
+# ============================================================
+@t.CVTable
+class CVTableClass:
+    val: t.CInt
+
+    def __init__(self, v: t.CInt):
+        self.val = v
+
+    def KeptMethod(self) -> t.CInt:
+        return self.val + 30
+
+    @t.NoVTable
+    def ExcludedMethod(self) -> t.CInt:
+        return self.val + 40
+
+
+# ============================================================
+# 场景 C: 默认类（无装饰器无继承）+ 函数级 @t.CVTable
+#
+# DefaultClass 无装饰器（默认无虚表）
+# VirtualMethod 标记 @t.CVTable → 单独进入虚表
+# NormalMethod 无装饰器 → 不进入虚表
+# 预期: 虚表 1 个方法 (VirtualMethod)
+# ============================================================
+class DefaultClass:
+    val: t.CInt
+
+    def __init__(self, v: t.CInt):
+        self.val = v
+
+    @t.CVTable
+    def VirtualMethod(self) -> t.CInt:
+        return self.val + 50
+
+    def NormalMethod(self) -> t.CInt:
+        return self.val + 60
+
+
+def func_vtable_test() -> int:
+    stdio.printf("funcvt: === Test Start ===\n")
+
+    # 场景 A: NoVTableClass
+    nvt: NoVTableClass = NoVTableClass(5)
+    a1: int = nvt.VirtualMethod()
+    stdio.printf("funcvt: A.VirtualMethod()=%d (expected 15)\n", a1)
+    if a1 != 15:
+        stdio.printf("[FAIL] A.VirtualMethod()=%d expected 15\n", a1)
+        return 1
+    a2: int = nvt.NormalMethod()
+    stdio.printf("funcvt: A.NormalMethod()=%d (expected 25)\n", a2)
+    if a2 != 25:
+        stdio.printf("[FAIL] A.NormalMethod()=%d expected 25\n", a2)
+        return 1
+
+    # 场景 B: CVTableClass
+    cvt: CVTableClass = CVTableClass(7)
+    b1: int = cvt.KeptMethod()
+    stdio.printf("funcvt: B.KeptMethod()=%d (expected 37)\n", b1)
+    if b1 != 37:
+        stdio.printf("[FAIL] B.KeptMethod()=%d expected 37\n", b1)
+        return 1
+    b2: int = cvt.ExcludedMethod()
+    stdio.printf("funcvt: B.ExcludedMethod()=%d (expected 47)\n", b2)
+    if b2 != 47:
+        stdio.printf("[FAIL] B.ExcludedMethod()=%d expected 47\n", b2)
+        return 1
+
+    # 场景 C: DefaultClass
+    dfc: DefaultClass = DefaultClass(9)
+    c1: int = dfc.VirtualMethod()
+    stdio.printf("funcvt: C.VirtualMethod()=%d (expected 59)\n", c1)
+    if c1 != 59:
+        stdio.printf("[FAIL] C.VirtualMethod()=%d expected 59\n", c1)
+        return 1
+    c2: int = dfc.NormalMethod()
+    stdio.printf("funcvt: C.NormalMethod()=%d (expected 69)\n", c2)
+    if c2 != 69:
+        stdio.printf("[FAIL] C.NormalMethod()=%d expected 69\n", c2)
+        return 1
+
+    stdio.printf("funcvt: === All Tests Passed ===\n")
+    return 0