public function testValidateFieldSettingsInvalid($inputSettings)
{
$fieldType = $this->getFieldTypeUnderTest();
$validationResult = $fieldType->validateFieldSettings($inputSettings);
$this->assertInternalType('array', $validationResult, 'The method validateFieldSettings() must return an array.');
$this->assertNotEquals(array(), $validationResult, 'validateFieldSettings() did consider the input settings valid, which should be invalid.');
foreach ($validationResult as $actualResultElement) {
$this->assertInstanceOf('eZ\\Publish\\SPI\\FieldType\\ValidationError', $actualResultElement, 'Validation result of incorrect type.');
}
}