public function testValidateAttribute()
{
$val = new DefaultValueValidator();
$val->value = 'test_value';
$obj = new \stdclass();
$obj->attrA = 'attrA';
$obj->attrB = null;
$obj->attrC = '';
// original values to chek which attritubes where modified
$objB = clone $obj;
$val->validateAttribute($obj, 'attrB');
$this->assertEquals($val->value, $obj->attrB);
$this->assertEquals($objB->attrA, $obj->attrA);
$val->value = 'new_test_value';
$obj = clone $objB;
// get clean object
$val->validateAttribute($obj, 'attrC');
$this->assertEquals('new_test_value', $obj->attrC);
$this->assertEquals($objB->attrA, $obj->attrA);
$val->validateAttribute($obj, 'attrA');
$this->assertEquals($objB->attrA, $obj->attrA);
}
