leapDateValidator = new LeapDate('Y-m-d'); } public function testValidLeapDate_with_string() { $this->assertTrue($this->leapDateValidator->validate('1988-02-29')); } public function testValidLeapDate_with_date_time() { $this->assertTrue($this->leapDateValidator->validate( new DateTime('1988-02-29'))); } public function testInvalidLeapDate_with_string() { $this->assertFalse($this->leapDateValidator->validate('1989-02-29')); } public function testInvalidLeapDate_with_date_time() { $this->assertFalse($this->leapDateValidator->validate( new DateTime('1989-02-29'))); } public function testInvalidLeapDate_input() { $this->assertFalse($this->leapDateValidator->validate(array())); } }