snapshot before regression test

TransPyV/Test/App/eq_test.py

@@ -0,0 +1,144 @@
+import stdio
+import t, c
+import string
+
+
+# ============================================================
+# eq_test - ==、!=、is、is not、None 比较测试
+#
+# 验证比较表达式的翻译，特别是 None 常量和 is/is not 操作符
+# ============================================================
+
+
+def test_int_eq():
+    stdio.printf("--- Test 1: int == / != ---\n")
+
+    a: t.CInt = 42
+    b: t.CInt = 42
+    c3: t.CInt = 99
+
+    if a == b:
+        stdio.printf("int == int (same) OK\n")
+    else:
+        stdio.printf("int == int (same) FAIL\n")
+
+    if a != c3:
+        stdio.printf("int != int (diff) OK\n")
+    else:
+        stdio.printf("int != int (diff) FAIL\n")
+
+    if not (a == c3):
+        stdio.printf("not (int == diff) OK\n")
+    else:
+        stdio.printf("not (int == diff) FAIL\n")
+
+
+def test_int_cmp():
+    stdio.printf("--- Test 2: int < > <= >= ---\n")
+
+    a: t.CInt = 5
+    b: t.CInt = 10
+
+    if a < b:
+        stdio.printf("int < OK\n")
+    else:
+        stdio.printf("int < FAIL\n")
+
+    if b > a:
+        stdio.printf("int > OK\n")
+    else:
+        stdio.printf("int > FAIL\n")
+
+    if a <= 5:
+        stdio.printf("int <= OK\n")
+    else:
+        stdio.printf("int <= FAIL\n")
+
+    if b >= 10:
+        stdio.printf("int >= OK\n")
+    else:
+        stdio.printf("int >= FAIL\n")
+
+
+def test_ptr_is_none():
+    stdio.printf("--- Test 3: ptr is None / is not None ---\n")
+
+    # strchr 找到字符返回非空指针，找不到返回 None
+    p: str = string.strchr("Hello", 108)  # 'l' = 108
+    if p is not None:
+        stdio.printf("strchr found, is not None OK\n")
+    else:
+        stdio.printf("strchr found, is not None FAIL\n")
+
+    p2: str = string.strchr("Hello", 122)  # 'z' = 122, not found
+    if p2 is None:
+        stdio.printf("strchr not found, is None OK\n")
+    else:
+        stdio.printf("strchr not found, is None FAIL\n")
+
+
+def test_ptr_assign_none():
+    stdio.printf("--- Test 4: assign None and compare ---\n")
+
+    p: str = None
+    if p is None:
+        stdio.printf("None assign, is None OK\n")
+    else:
+        stdio.printf("None assign, is None FAIL\n")
+
+    if p is not None:
+        stdio.printf("None assign, is not None FAIL\n")
+    else:
+        stdio.printf("None assign, is not None OK\n")
+
+
+def test_ptr_eq_none():
+    stdio.printf("--- Test 5: ptr == None / != None ---\n")
+
+    p: str = string.strstr("Hello World", "World")
+    if p != None:
+        stdio.printf("strstr found, != None OK\n")
+    else:
+        stdio.printf("strstr found, != None FAIL\n")
+
+    p2: str = string.strstr("Hello", "xyz")
+    if p2 == None:
+        stdio.printf("strstr not found, == None OK\n")
+    else:
+        stdio.printf("strstr not found, == None FAIL\n")
+
+
+def test_bool_logic():
+    stdio.printf("--- Test 6: bool and/or ---\n")
+
+    a: t.CInt = 1
+    b: t.CInt = 0
+
+    if a and b:
+        stdio.printf("1 and 0 = true FAIL\n")
+    else:
+        stdio.printf("1 and 0 = false OK\n")
+
+    if a or b:
+        stdio.printf("1 or 0 = true OK\n")
+    else:
+        stdio.printf("1 or 0 = true FAIL\n")
+
+    if not b:
+        stdio.printf("not 0 = true OK\n")
+    else:
+        stdio.printf("not 0 = true FAIL\n")
+
+
+def eq_test() -> int:
+    stdio.printf("=== eq_test: ==、!=、is、None 比较测试 ===\n\n")
+
+    test_int_eq()
+    test_int_cmp()
+    test_ptr_is_none()
+    test_ptr_assign_none()
+    test_ptr_eq_none()
+    test_bool_logic()
+
+    stdio.printf("\n=== eq_test 完成 ===\n")
+    return 0