/**
  * @covers FactoryEnum::introspect()
  * @covers FactoryEnum::contains()
  * @covers FactoryEnum::defines()
  */
 public function testIntrospect()
 {
     $_constants = TestEnum::all();
     $this->assertNotEmpty($_constants);
     foreach ($_constants as $_constant => $_value) {
         $this->assertTrue(TestEnum::contains($_value));
         $this->assertTrue(TestEnum::defines($_constant));
     }
 }