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Merge pull request #2373 from Youw:master

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PiperOrigin-RevId: 278601074
This commit is contained in:
Xiaoyi Zhang
2019-11-05 17:08:09 -05:00
parent 8697709e03 f626deda19
commit 3e062a6efe
2 changed files with 46 additions and 3 deletions
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36
googletest/include/gtest/internal/gtest-internal.h
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@@ -825,6 +825,16 @@ struct GTEST_API_ ConstCharPtr {
const char* value;
};
// Helper for declaring std::string within 'if' statement
// in pre C++17 build environment.
struct GTEST_API_ TrueWithString {
TrueWithString() = default;
explicit TrueWithString(const char* str) : value(str) {}
explicit TrueWithString(const std::string& str) : value(str) {}
explicit operator bool() const { return true; }
std::string value;
};
// A simple Linear Congruential Generator for generating random
// numbers with a uniform distribution. Unlike rand() and srand(), it
// doesn't use global state (and therefore can't interfere with user
@@ -1284,19 +1294,39 @@ constexpr bool InstantiateTypedTestCase_P_IsDeprecated() { return true; }
GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \
fail(gtest_msg.value)
#if GTEST_HAS_EXCEPTIONS
#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_() \
catch (std::exception const& e) { \
gtest_msg.value = ( \
"it throws std::exception-derived exception with description: \"" \
); \
gtest_msg.value += e.what(); \
gtest_msg.value += "\"."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
}
#else // GTEST_HAS_EXCEPTIONS
#define GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_()
#endif // GTEST_HAS_EXCEPTIONS
#define GTEST_TEST_NO_THROW_(statement, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::internal::AlwaysTrue()) { \
if (::testing::internal::TrueWithString gtest_msg{}) { \
try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} \
GTEST_TEST_NO_THROW_CATCH_STD_EXCEPTION_() \
catch (...) { \
gtest_msg.value = "it throws."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__); \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_testnothrow_, __LINE__): \
fail("Expected: " #statement " doesn't throw an exception.\n" \
" Actual: it throws.")
fail(("Expected: " #statement " doesn't throw an exception.\n" \
" Actual: " + gtest_msg.value).c_str())
#define GTEST_TEST_ANY_THROW_(statement, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \