public void ClearAllDataErrorInfo_ErrorsChangedEventShouldFire()
{
var personDto = new TestPersonDto {
FirstName = "John", LastName = "Wayne"
};
var objectDataErrorInfo1 = new DataErrorInfo("ObjectLevelError1", ErrorLevel.Error);
var objectDataErrorInfo2 = new DataErrorInfo("ObjectLevelError2", ErrorLevel.Error);
var propertyDataErrorInfo = new DataErrorInfo("PropertyLevelError", ErrorLevel.Error, "FirstName");
var crossDataErrorInfo = new DataErrorInfo("CrossPropertyLevelError", ErrorLevel.Error, "FirstName",
"LastName");
HashSet <string> referenceNames = new HashSet <string> {
"FirstName", "", "LastName"
};
HashSet <string> propertyNames = new HashSet <string> ();
personDto.AddDataErrorInfo(objectDataErrorInfo1);
personDto.AddDataErrorInfo(objectDataErrorInfo2);
personDto.AddDataErrorInfo(propertyDataErrorInfo);
personDto.AddDataErrorInfo(crossDataErrorInfo);
personDto.ErrorsChanged += (s, e) => propertyNames.Add(e.PropertyName);
personDto.ClearAllDataErrorInfo();
AssertSetsEqual(referenceNames, propertyNames);
}
public void ClearAllDataErrorInfo_GetErrorsShouldReturnEmptySet()
{
var personDto = new TestPersonDto {
FirstName = "John", LastName = "Wayne"
};
var objectDataErrorInfo1 = new DataErrorInfo("ObjectLevelError1", ErrorLevel.Error);
var objectDataErrorInfo2 = new DataErrorInfo("ObjectLevelError2", ErrorLevel.Error);
var propertyDataErrorInfo = new DataErrorInfo("PropertyLevelError", ErrorLevel.Error, "FirstName");
var crossDataErrorInfo = new DataErrorInfo("CrossPropertyLevelError", ErrorLevel.Error, "FirstName",
"LastName");
personDto.AddDataErrorInfo(objectDataErrorInfo1);
personDto.AddDataErrorInfo(objectDataErrorInfo2);
personDto.AddDataErrorInfo(propertyDataErrorInfo);
personDto.AddDataErrorInfo(crossDataErrorInfo);
personDto.ClearAllDataErrorInfo();
IEnumerable <DataErrorInfo> errors = personDto.GetErrors(null) as IEnumerable <DataErrorInfo>;
List <DataErrorInfo> returnedList = new List <DataErrorInfo> (errors);
Assert.IsTrue(returnedList.Count() == 0);
}