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//
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// Tests Google Test's assert-by-exception mode with exceptions enabled.
#include "gtest/gtest.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdexcept>
class ThrowListener : public testing::EmptyTestEventListener {
void OnTestPartResult(const testing::TestPartResult& result) override {
if (result.type() == testing::TestPartResult::kFatalFailure) {
throw testing::AssertionException(result);
}
}
};
// Prints the given failure message and exits the program with
// non-zero. We use this instead of a Google Test assertion to
// indicate a failure, as the latter is been tested and cannot be
// relied on.
void Fail(const char* msg) {
printf("FAILURE: %s\n", msg);
fflush(stdout);
exit(1);
}
static void AssertFalse() {
ASSERT_EQ(2, 3) << "Expected failure";
}
// Tests that an assertion failure throws a subclass of
// std::runtime_error.
TEST(Test, Test) {
// A successful assertion shouldn't throw.
try {
EXPECT_EQ(3, 3);
} catch(...) {
Fail("A successful assertion wrongfully threw.");
}
// A successful assertion shouldn't throw.
try {
EXPECT_EQ(3, 4);
} catch(...) {
Fail("A failed non-fatal assertion wrongfully threw.");
}
// A failed assertion should throw.
try {
AssertFalse();
} catch(const testing::AssertionException& e) {
if (strstr(e.what(), "Expected failure") != NULL)
throw;
printf("%s",
"A failed assertion did throw an exception of the right type, "
"but the message is incorrect. Instead of containing \"Expected "
"failure\", it is:\n");
Fail(e.what());
} catch(...) {
Fail("A failed assertion threw the wrong type of exception.");
}
Fail("A failed assertion should've thrown but didn't.");
}
int kTestForContinuingTest = 0;
TEST(Test, Test2) {
// FIXME: how to force Test2 to be after Test?
kTestForContinuingTest = 1;
}
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
testing::UnitTest::GetInstance()->listeners().Append(new ThrowListener);
int result = RUN_ALL_TESTS();
if (result == 0) {
printf("RUN_ALL_TESTS returned %d\n", result);
Fail("Expected failure instead.");
}
if (kTestForContinuingTest == 0) {
Fail("Should have continued with other tests, but did not.");
}
return 0;
}