Modern C++ Programming with Test-Driven Development

2.11 Limiting Length

Rule #4 tells us the Soundex code must be four characters.

TEST_F(SoundexEncoding, LimitsLengthToFourCharacters) {
   ASSERT_THAT(soundex.encode("Dcdlb").length(), Eq(4u));
}

The code throws an exception when Google Mock runs this new test. No worries, because our test tool traps this exception, reports a test failure, and continues running any subsequent tests.

[ RUN      ] SoundexEncoding.LimitsLengthToFourCharacters
unknown file: Failure
C++ exception with description "basic_string::_S_create" thrown in the test body.
[  FAILED  ] SoundexEncoding.LimitsLengthToFourCharacters (1 ms)

By default, Google Mock swallows the problem and keeps running the rest of your tests. If you prefer to crash the tests ...