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//
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// Tests Google Test's throw-on-failure mode with exceptions enabled.
#include "gtest/gtest.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdexcept>
// 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);
}
// Tests that an assertion failure throws a subclass of
// std::runtime_error.
void TestFailureThrowsRuntimeError() {
testing::GTEST_FLAG(throw_on_failure) = true;
// A successful assertion shouldn't throw.
try {
EXPECT_EQ(3, 3);
} catch(...) {
Fail("A successful assertion wrongfully threw.");
}
// A failed assertion should throw a subclass of std::runtime_error.
try {
EXPECT_EQ(2, 3) << "Expected failure";
} catch(const std::runtime_error& e) {
if (strstr(e.what(), "Expected failure") != NULL)
return;
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 main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
// We want to ensure that people can use Google Test assertions in
// other testing frameworks, as long as they initialize Google Test
// properly and set the thrown-on-failure mode. Therefore, we don't
// use Google Test's constructs for defining and running tests
// (e.g. TEST and RUN_ALL_TESTS) here.
TestFailureThrowsRuntimeError();
return 0;
}