public static <T> void assertMismatchDescription(
String expected, Matcher<? super T> matcher, T arg) {
assertFalse("Precondtion: Matcher should not match item.", matcher.matches(arg));
Description description = new StringDescription();
matcher.describeMismatch(arg, description);
assertEquals("Expected mismatch description", expected, description.toString().trim());
}
private void assertMismatchDescription(String expectedDescription, Object actual) {
StringDescription description = new StringDescription();
matcher.describeMismatch(actual, description);
assertEquals(expectedDescription, description.toString());
}
