/**
  * @test
  * @profile(fork)
  */
 public function testDetectors()
 {
     assertTrue(\str\isNullOrEmpty(null));
     assertTrue(\str\isNullOrEmpty(''));
     assertFalse(\str\isNullOrEmpty('0.00'));
     assertFalse(\str\isNullOrEmpty('00000'));
     assertFalse(\str\isNullOrEmpty('0.001'));
     assertFalse(\str\isNullOrEmpty('f'));
     assertFalse(\str\isNullOrEmpty('foo'));
     assertTrue(\str\isNullOrZero(null));
     assertTrue(\str\isNullOrZero(''));
     assertTrue(\str\isNullOrZero('0.00'));
     assertTrue(\str\isNullOrZero('00000'));
     assertFalse(\str\isNullOrZero('0.001'));
     assertFalse(\str\isNullOrZero('f'));
     assertFalse(\str\isNullOrZero('foo'));
     assertTrue(\str\isZero('0.00'));
     assertTrue(\str\isZero('00000'));
     assertFalse(\str\isZero(null));
     assertFalse(\str\isZero(''));
     assertFalse(\str\isZero('0.001'));
     assertFalse(\str\isZero('f'));
     assertFalse(\str\isZero('foo'));
 }
 /**
  * @see \str\indexOf() indexOf
  */
 public static function indexOf($string0_, $string1_, $offset_ = 0)
 {
     return \str\isNullOrEmpty($string0_, $string1_, $offset_);
 }