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Evaluate EXPECT_STD* output argument once.

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This commit is contained in:
Victor Zverovich
2014-05-05 08:20:01 -07:00
parent 758283f7d9
commit 098f8ac343
2 changed files with 16 additions and 11 deletions
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7
test/gtest-extra-test.cc
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@@ -109,6 +109,13 @@ TEST_F(SingleEvaluationTest, FailedEXPECT_THROW_MSG) {
EXPECT_EQ(s_ + 1, p_); EXPECT_EQ(s_ + 1, p_);
} }
// Tests that when EXPECT_STDOUT fails, it evaluates its message argument
// exactly once.
TEST_F(SingleEvaluationTest, FailedEXPECT_STDOUT) {
EXPECT_NONFATAL_FAILURE(EXPECT_STDOUT(std::printf("test"), p_++), "01234");
EXPECT_EQ(s_ + 1, p_);
}
// Tests that assertion arguments are evaluated exactly once. // Tests that assertion arguments are evaluated exactly once.
TEST_F(SingleEvaluationTest, ExceptionTests) { TEST_F(SingleEvaluationTest, ExceptionTests) {
// successful EXPECT_THROW_MSG // successful EXPECT_THROW_MSG

20
test/gtest-extra.h
View File

@@ -44,16 +44,16 @@
#define FMT_TEST_THROW_(statement, expected_exception, expected_message, fail) \ #define FMT_TEST_THROW_(statement, expected_exception, expected_message, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \ if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \
std::string expected_message_str = expected_message; \ std::string gtest_expected_message = expected_message; \
bool gtest_caught_expected = false; \ bool gtest_caught_expected = false; \
try { \ try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} \ } \
catch (expected_exception const& e) { \ catch (expected_exception const& e) { \
if (expected_message_str != e.what()) { \ if (gtest_expected_message != e.what()) { \
gtest_ar \ gtest_ar \
<< #statement " throws an exception with a different message.\n" \ << #statement " throws an exception with a different message.\n" \
<< "Expected: " << expected_message_str << "\n" \ << "Expected: " << gtest_expected_message << "\n" \
<< " Actual: " << e.what(); \ << " Actual: " << e.what(); \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \ } \
@@ -340,16 +340,14 @@ class OutputRedirect {
#define FMT_TEST_PRINT_(statement, expected_output, file, fail) \ #define FMT_TEST_PRINT_(statement, expected_output, file, fail) \
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \ GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \ if (::testing::AssertionResult gtest_ar = ::testing::AssertionSuccess()) { \
std::string gtest_output; \ std::string gtest_expected_output = expected_output; \
{ \ OutputRedirect gtest_redir(file); \
OutputRedirect gtest_redir(file); \ GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \ std::string gtest_output = gtest_redir.RestoreAndRead(); \
gtest_output = gtest_redir.RestoreAndRead(); \ if (gtest_output != gtest_expected_output) { \
} \
if (gtest_output != expected_output) { \
gtest_ar \ gtest_ar \
<< #statement " produces different output.\n" \ << #statement " produces different output.\n" \
<< "Expected: " << expected_output << "\n" \ << "Expected: " << gtest_expected_output << "\n" \
<< " Actual: " << gtest_output; \ << " Actual: " << gtest_output; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \ goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \ } \