public function testProtectedTags()
{
$fixer = new Fixer(array('Ellipsis'));
$fixer->setProtectedTags(array('pre', 'a'));
$fixed_content = $fixer->fix('<p>Fixed...</p> <pre>Not fixed...</pre> <p>Fixed... <a>Not Fixed...</a>.</p>');
$this->assertEquals('<p>Fixed…</p> <pre>Not fixed...</pre> <p>Fixed… <a>Not Fixed...</a>.</p>', $fixed_content);
}