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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /build/clang-plugin/tests/TestAssertWithAssignment.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/clang-plugin/tests/TestAssertWithAssignment.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/build/clang-plugin/tests/TestAssertWithAssignment.cpp b/build/clang-plugin/tests/TestAssertWithAssignment.cpp new file mode 100644 index 0000000000..f0f049e4a3 --- /dev/null +++ b/build/clang-plugin/tests/TestAssertWithAssignment.cpp @@ -0,0 +1,68 @@ +#include "mozilla/MacroArgs.h" + +static __attribute__((always_inline)) bool MOZ_AssertAssignmentTest(bool expr) { + return expr; +} + +#define MOZ_UNLIKELY(x) (__builtin_expect(!!(x), 0)) +#define MOZ_CRASH() do { } while(0) +#define MOZ_CHECK_ASSERT_ASSIGNMENT(expr) MOZ_AssertAssignmentTest(!!(expr)) + +#define MOZ_ASSERT_HELPER1(expr) \ + do { \ + if (MOZ_UNLIKELY(!MOZ_CHECK_ASSERT_ASSIGNMENT(expr))) { \ + MOZ_CRASH();\ + } \ + } while(0) \ + +/* Now the two-argument form. */ +#define MOZ_ASSERT_HELPER2(expr, explain) \ + do { \ + if (MOZ_UNLIKELY(!MOZ_CHECK_ASSERT_ASSIGNMENT(expr))) { \ + MOZ_CRASH();\ + } \ + } while(0) \ + +#define MOZ_RELEASE_ASSERT_GLUE(a, b) a b +#define MOZ_RELEASE_ASSERT(...) \ + MOZ_RELEASE_ASSERT_GLUE( \ + MOZ_PASTE_PREFIX_AND_ARG_COUNT(MOZ_ASSERT_HELPER, __VA_ARGS__), \ + (__VA_ARGS__)) + +#define MOZ_ASSERT(...) MOZ_RELEASE_ASSERT(__VA_ARGS__) + +void FunctionTest(int p) { + MOZ_ASSERT(p = 1); // expected-error {{Forbidden assignment in assert expression}} +} + +void FunctionTest2(int p) { + MOZ_ASSERT(((p = 1))); // expected-error {{Forbidden assignment in assert expression}} +} + +void FunctionTest3(int p) { + MOZ_ASSERT(p != 3); +} + +class TestOverloading { + int value; +public: + explicit TestOverloading(int _val) : value(_val) {} + // different operators + explicit operator bool() const { return true; } + TestOverloading& operator=(const int _val) { value = _val; return *this; } + + int& GetInt() {return value;} +}; + +void TestOverloadingFunc() { + TestOverloading p(2); + int f; + + MOZ_ASSERT(p); + MOZ_ASSERT(p = 3); // expected-error {{Forbidden assignment in assert expression}} + MOZ_ASSERT(p, "p is not valid"); + MOZ_ASSERT(p = 3, "p different than 3"); // expected-error {{Forbidden assignment in assert expression}} + MOZ_ASSERT(p.GetInt() = 2); // expected-error {{Forbidden assignment in assert expression}} + MOZ_ASSERT(p.GetInt() == 2); + MOZ_ASSERT(p.GetInt() == 2, f = 3); +} |