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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 /tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.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 'tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp')
-rw-r--r-- | tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp b/tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp new file mode 100644 index 0000000000..2dedb3aca9 --- /dev/null +++ b/tools/clang-tidy/test/bugprone-macro-repeated-side-effects.cpp @@ -0,0 +1,28 @@ +// https://clang.llvm.org/extra/clang-tidy/checks/bugprone-macro-repeated-side-effects.html + +#define MACRO_WITHOUT_REPEATED_ARG(x) (x) +#define MACRO_WITH_REPEATED_ARG(x) ((x) + (x)) + +static int g; + +int function_with_side_effects(int i) +{ + g += i; + return g; +} + +void test() +{ + int i; + i = MACRO_WITHOUT_REPEATED_ARG(1); // OK + i = MACRO_WITH_REPEATED_ARG(1); // OK + + i = MACRO_WITHOUT_REPEATED_ARG(i); // OK + i = MACRO_WITH_REPEATED_ARG(i); // OK + + i = MACRO_WITHOUT_REPEATED_ARG(function_with_side_effects(i)); // OK + i = MACRO_WITH_REPEATED_ARG(function_with_side_effects(i)); // NO WARNING + + i = MACRO_WITHOUT_REPEATED_ARG(i++); // OK + i = MACRO_WITH_REPEATED_ARG(i++); // WARNING +} |