/** * CCValidator::negative */ public function test_negative() { $validator = new CCValidator(array('1' => '', '2' => 0, '3' => false, '4' => 'true')); $this->assertTrue($validator->negative('1')); $this->assertTrue($validator->negative('2')); $this->assertTrue($validator->negative('3')); $this->assertFalse($validator->negative('4')); }