public void ChangeStateShouldFailWhenChangingAddedToUnchanged()
{
var entity = new TestEntityType();
this.testSubject.AddObject("Things", entity);
Action changeToUnchanged = () => this.testSubject.ChangeState(entity, EntityStates.Unchanged);
changeToUnchanged.ShouldThrow <InvalidOperationException>().WithMessage(ClientStrings.Context_CannotChangeStateIfAdded(EntityStates.Unchanged));
}
public void GetEdmTypeTests()
{
Assert.AreEqual("Edm.TestPrimitive", ClientConvert.GetEdmType(typeof(TestPrimitiveType)));
foreach (Type t in new Type[] { typeof(UInt16), typeof(UInt32), typeof(UInt64) })
{
Action test = () => ClientConvert.GetEdmType(t);
test.ShouldThrow <NotSupportedException>().WithMessage(Strings.ALinq_CantCastToUnsupportedPrimitive(t.Name));
}
}
/// <summary>
/// Implementation of Read>.
/// </summary>
/// <returns>
/// Return value of Read/>
/// </returns>
protected sealed override bool ReadImplementation()
{
if (!this.hasReadValue)
{
try
{
ClientEdmModel model = this.MaterializerContext.Model;
Type expectedType = this.ExpectedType;
IEdmTypeReference expectedClientType = model.GetOrCreateEdmType(expectedType).ToEdmTypeReference(ClientTypeUtil.CanAssignNull(expectedType));
if ((this.SingleResult.HasValue && !this.SingleResult.Value) && expectedClientType.Definition.TypeKind != EdmTypeKind.Collection)
{
expectedType = typeof(ICollection <>).MakeGenericType(expectedType);
// we do not allow null values for collection
expectedClientType = model.GetOrCreateEdmType(expectedType).ToEdmTypeReference(false);
}
IEdmTypeReference expectedReaderType = this.MaterializerContext.ResolveExpectedTypeForReading(expectedType).ToEdmTypeReference(expectedClientType.IsNullable);
this.ReadWithExpectedType(expectedClientType, expectedReaderType);
}
catch (ODataErrorException e)
{
throw new DataServiceClientException(ClientStrings.Deserialize_ServerException(e.Error.Message), e);
}
catch (ODataException e)
{
throw new InvalidOperationException(e.Message, e);
}
catch (ArgumentException e)
{
throw new InvalidOperationException(e.Message, e);
}
finally
{
this.hasReadValue = true;
}
return(true);
}
else
{
return(false);
}
}
