public function assertMismatchDescription($expected, Hamcrest_Matcher $matcher, $arg)
{
$description = new Hamcrest_StringDescription();
$this->assertFalse($matcher->matches($arg), 'Precondtion: Matcher should not match item');
$matcher->describeMismatch($arg, $description);
$this->assertEquals($expected, (string) $description, 'Expected mismatch description');
}
private function _describeMismatch(Hamcrest_Matcher $matcher, $item)
{
$this->_mismatchDescription->appendText('item with key ' . $this->_nextMatchKey . ': ');
$matcher->describeMismatch($item, $this->_mismatchDescription);
}
