public function teststr_replace_counts()
{
$my_string = "Hello|Goodbye|World|Exit";
$counter = 1;
$string = new williamknauss\String($my_string);
$string->str_replace("|", " ", "", $counter);
//assert 1
$this->assertEquals(str_replace("|", " ", $my_string, $counter), $string->__toString());
}
