public function testSubstringTwoParams()
{
$string = $this->string->substring(0, $this->string->length());
$this->assertEquals(spl_object_hash($string), spl_object_hash($this->string));
$string = $this->string->substring(1, $this->string->length());
$this->assertEquals("est String", $string->getOriginalValue());
$string = $this->string->substring(1, 4);
$this->assertEquals("est", $string->getOriginalValue());
$string = $this->string->subSequence(1, 4);
$this->assertEquals("est", $string->getOriginalValue());
$string = $this->string->substring($this->string->length(), $this->string->length());
$this->assertEquals("", $string->getOriginalValue());
$string = $this->string->substring(0, 0);
$this->assertEquals("", $string->getOriginalValue());
}
