public function testEqualsThrowsExceptionIfBothObjectsAreIncomparable()
{
self::setExpectedException(IncomparableException::class);
$objectA = new Author('first', 'last');
$objectB = $this->getMockBuilder(Comparable::class)->getMockForAbstractClass();
$objectA->equals($objectB);
}
/**
* @param Author $a
* @param Author $b
* @return boolean
*/
private function equalsAuthors(Author $a, Author $b)
{
return $a->equals($b);
}
