public function testchr()
{
$string = new williamknauss\String(10);
$string->chr();
//assert 1
$this->assertEquals("\n", $string->return_string());
$string->set_string("Hello World");
$string->chr(10);
//assert 2
$this->assertEquals("\n", $string->return_string());
}
/**
* @expectedException Exception
* @expectedExceptionMessage chr() requires parameter 1 (ascii_code) to be less than 256.
*/
public function testchr_ascii_code_greater_than_255_exception()
{
$string = new williamknauss\String(6000);
$string->chr();
}
