private static void assertCaseSensitiveMatches(PathService service) {
    PathMatcher matcher = service.createPathMatcher("glob:foo");

    JimfsPath lowerCasePath = singleNamePath(service, "foo");
    JimfsPath upperCasePath = singleNamePath(service, "FOO");

    assertThat(matcher.matches(lowerCasePath)).isTrue();
    assertThat(matcher.matches(upperCasePath)).isFalse();
  }
Tests for {@link PathService}.

@author Colin Decker
jimfs/src/test/java/com/google/common/jimfs/PathServiceTest.java