Neos\Flow\Tests\Unit\Validation\Validator\DateTimeRangeValidatorTest::validateReturnsOneErrorIfGivenValueIsNoDate PHP Method

    public function validateReturnsOneErrorIfGivenValueIsNoDate()
    {
        $this->validatorOptions(['earliestDate' => '2007-03-01T13:00:00Z']);
        $errors = $this->validator->validate('no DateTime object')->getErrors();
        $this->assertSame(1, count($errors));
    }