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Fix dangling else problem in FMT_ASSERT

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This commit is contained in:
Victor Zverovich 2019-11-30 07:52:33 -08:00
parent fafb03fa6d
commit 6037b3cae9
2 changed files with 14 additions and 2 deletions
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5
include/fmt/core.h
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@ -231,8 +231,9 @@ void assert_fail(const char* file, int line, const char* message);
# define FMT_ASSERT(condition, message)
# else
# define FMT_ASSERT(condition, message) \
if (!(condition)) \
fmt::internal::assert_fail(__FILE__, __LINE__, (message))
((condition) \
? void() \
: fmt::internal::assert_fail(__FILE__, __LINE__, (message)))
# endif
#endif

11
test/assert-test.cc
View File

@ -20,3 +20,14 @@ TEST(AssertTest, Fail) {
EXPECT_DEBUG_DEATH_IF_SUPPORTED(FMT_ASSERT(false, "don't panic!"),
"don't panic!");
}
bool test_condition = false;
TEST(AssertTest, DanglingElse) {
bool executed_else = false;
if (test_condition)
FMT_ASSERT(true, "");
else
executed_else = true;
EXPECT_TRUE(executed_else);
}