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Added special catch for std::exception in GTEST_TEST_NO_THROW_

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This commit is contained in:
Ihor Dutchak 2019-08-06 16:22:08 +03:00
parent 11be5f534c
commit f626deda19
2 changed files with 44 additions and 3 deletions
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34
googletest/include/gtest/internal/gtest-internal.h
View File

@ -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
@ -1335,19 +1345,37 @@ 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_ \

13
googletest/test/gtest_unittest.cc
View File

@ -3351,6 +3351,9 @@ TEST_F(SingleEvaluationTest, OtherCases) {
void ThrowAnInteger() {
throw 1;
}
void ThrowRuntimeError(const char* what) {
throw std::runtime_error(what);
}
// Tests that assertion arguments are evaluated exactly once.
TEST_F(SingleEvaluationTest, ExceptionTests) {
@ -3830,6 +3833,11 @@ TEST(AssertionTest, ASSERT_NO_THROW) {
EXPECT_FATAL_FAILURE(ASSERT_NO_THROW(ThrowAnInteger()),
"Expected: ThrowAnInteger() doesn't throw an exception."
"\n Actual: it throws.");
EXPECT_FATAL_FAILURE(ASSERT_NO_THROW(ThrowRuntimeError("A description")),
"Expected: ThrowRuntimeError(\"A description\") "
"doesn't throw an exception.\n "
"Actual: it throws std::exception-derived exception "
"with description: \"A description\".");
}
// Tests ASSERT_ANY_THROW.
@ -4567,6 +4575,11 @@ TEST(ExpectTest, EXPECT_NO_THROW) {
EXPECT_NONFATAL_FAILURE(EXPECT_NO_THROW(ThrowAnInteger()),
"Expected: ThrowAnInteger() doesn't throw an "
"exception.\n Actual: it throws.");
EXPECT_NONFATAL_FAILURE(EXPECT_NO_THROW(ThrowRuntimeError("A description")),
"Expected: ThrowRuntimeError(\"A description\") "
"doesn't throw an exception.\n "
"Actual: it throws std::exception-derived exception "
"with description: \"A description\".");
}
// Tests EXPECT_ANY_THROW.