@Override
  protected PathMatcher matcher(String pattern) {
    return PathMatchers.getPathMatcher(
        "glob:" + pattern, "/", ImmutableSet.<PathNormalization>of());
  }
Tests for {@link PathMatcher} instances created by {@link GlobToRegex}.

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