snapshot before regression test

Test/ShortCircuitTest/App/main.py

@@ -0,0 +1,122 @@
+from stdint import *
+import w32.win32console
+import t, c
+from t import CInt, CExport
+import stdio
+import stdlib
+import string
+import testcheck
+
+
+# 副作用函数：将 buf[0] 置为 1，返回 True
+def bump_true(buf: bytes) -> bool:
+    buf[0] = 1
+    return True
+
+
+# 副作用函数：将 buf[0] 置为 1，返回 False
+def bump_false(buf: bytes) -> bool:
+    buf[0] = 1
+    return False
+
+
+def main() -> CInt | CExport:
+    w32.win32console.SetConsoleCP(65001)
+    w32.win32console.SetConsoleOutputCP(65001)
+
+    testcheck.begin("if 短路机制测试")
+
+    buf: bytes = stdlib.malloc(1)
+
+    # === Test 1: False and bump_true() - bump 不应被调用 ===
+    testcheck.section("Test 1: False and bump_true()")
+    buf[0] = 0
+    r1: bool = False and bump_true(buf)
+    testcheck.check(buf[0] == 0, "and short-circuit OK (bump not called)", "and short-circuit FAILED (bump called)")
+
+    # === Test 2: True or bump_true() - bump 不应被调用 ===
+    testcheck.section("Test 2: True or bump_true()")
+    buf[0] = 0
+    r2: bool = True or bump_true(buf)
+    testcheck.check(buf[0] == 0, "or short-circuit OK (bump not called)", "or short-circuit FAILED (bump called)")
+
+    # === Test 3: True and bump_true() - bump 应被调用 ===
+    testcheck.section("Test 3: True and bump_true()")
+    buf[0] = 0
+    r3: bool = True and bump_true(buf)
+    testcheck.check(buf[0] == 1, "and eval OK (bump called)", "and eval FAILED (bump not called)")
+
+    # === Test 4: False or bump_true() - bump 应被调用 ===
+    testcheck.section("Test 4: False or bump_true()")
+    buf[0] = 0
+    r4: bool = False or bump_true(buf)
+    testcheck.check(buf[0] == 1, "or eval OK (bump called)", "or eval FAILED (bump not called)")
+
+    # === Test 5: if 语句中的短路 ===
+    testcheck.section("Test 5: if 语句中的短路")
+    buf[0] = 0
+    if False and bump_true(buf):
+        testcheck.check(False, "should not enter if", "if False and entered")
+    testcheck.check(buf[0] == 0, "if and short-circuit OK", "if and short-circuit FAILED")
+
+    buf[0] = 0
+    if True or bump_true(buf):
+        testcheck.check(True, "if True or entered OK", "if True or not entered")
+    else:
+        testcheck.check(False, "should enter if", "if True or else")
+    testcheck.check(buf[0] == 0, "if or short-circuit OK", "if or short-circuit FAILED")
+
+    # === Test 6: 嵌套短路 ===
+    testcheck.section("Test 6: 嵌套短路")
+    buf[0] = 0
+    r6: bool = False and (True or bump_true(buf))
+    testcheck.check(buf[0] == 0, "nested and short-circuit OK", "nested and short-circuit FAILED")
+
+    buf[0] = 0
+    r7: bool = True or (False and bump_true(buf))
+    testcheck.check(buf[0] == 0, "nested or short-circuit OK", "nested or short-circuit FAILED")
+
+    # === Test 7: not 与短路 ===
+    testcheck.section("Test 7: not 与短路")
+    buf[0] = 0
+    r8: bool = not False and bump_true(buf)
+    testcheck.check(buf[0] == 1, "not and eval OK (bump called)", "not and eval FAILED (bump not called)")
+
+    buf[0] = 0
+    r9: bool = not True or bump_true(buf)
+    testcheck.check(buf[0] == 1, "not or eval OK (bump called)", "not or eval FAILED (bump not called)")
+
+    # === Test 8: and 链中第一个为 False，后续不评估 ===
+    testcheck.section("Test 8: and 链短路")
+    buf[0] = 0
+    r10: bool = False and bump_true(buf) and bump_true(buf)
+    testcheck.check(buf[0] == 0, "and chain short-circuit OK", "and chain short-circuit FAILED")
+
+    # === Test 9: or 链中第一个为 True，后续不评估 ===
+    testcheck.section("Test 9: or 链短路")
+    buf[0] = 0
+    r11: bool = True or bump_true(buf) or bump_true(buf)
+    testcheck.check(buf[0] == 0, "or chain short-circuit OK", "or chain short-circuit FAILED")
+
+    # === Test 10: and 返回值正确性 ===
+    testcheck.section("Test 10: and 返回值正确性")
+    buf[0] = 0
+    r12: bool = True and bump_true(buf)
+    testcheck.check(r12, "and return True OK", "and return True FAILED")
+
+    buf[0] = 0
+    r13: bool = True and bump_false(buf)
+    testcheck.check(not r13, "and return False OK", "and return False FAILED")
+
+    # === Test 11: or 返回值正确性 ===
+    testcheck.section("Test 11: or 返回值正确性")
+    buf[0] = 0
+    r14: bool = False or bump_true(buf)
+    testcheck.check(r14, "or return True OK", "or return True FAILED")
+
+    buf[0] = 0
+    r15: bool = False or bump_false(buf)
+    testcheck.check(not r15, "or return False OK", "or return False FAILED")
+
+    stdlib.free(buf)
+    return testcheck.end()