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31 // Tests Google Test's throw-on-failure mode with exceptions enabled.
33 #include "gtest/gtest.h"
40 // Prints the given failure message and exits the program with
41 // non-zero. We use this instead of a Google Test assertion to
42 // indicate a failure, as the latter is been tested and cannot be
44 void Fail(const char* msg
) {
45 printf("FAILURE: %s\n", msg
);
50 // Tests that an assertion failure throws a subclass of
51 // std::runtime_error.
52 void TestFailureThrowsRuntimeError() {
53 testing::GTEST_FLAG(throw_on_failure
) = true;
55 // A successful assertion shouldn't throw.
59 Fail("A successful assertion wrongfully threw.");
62 // A failed assertion should throw a subclass of std::runtime_error.
64 EXPECT_EQ(2, 3) << "Expected failure";
65 } catch(const std::runtime_error
& e
) {
66 if (strstr(e
.what(), "Expected failure") != nullptr) return;
69 "A failed assertion did throw an exception of the right type, "
70 "but the message is incorrect. Instead of containing \"Expected "
71 "failure\", it is:\n");
74 Fail("A failed assertion threw the wrong type of exception.");
76 Fail("A failed assertion should've thrown but didn't.");
79 int main(int argc
, char** argv
) {
80 testing::InitGoogleTest(&argc
, argv
);
82 // We want to ensure that people can use Google Test assertions in
83 // other testing frameworks, as long as they initialize Google Test
84 // properly and set the thrown-on-failure mode. Therefore, we don't
85 // use Google Test's constructs for defining and running tests
86 // (e.g. TEST and RUN_ALL_TESTS) here.
88 TestFailureThrowsRuntimeError();