public override object this[FieldDescriptor field]
{
get
{
if (field.IsExtension)
{
VerifyContainingType(field);
object value = extensions[field];
if (value == null)
{
// Lacking an ExtensionRegistry, we have no way to determine the
// extension's real type, so we return a DynamicMessage.
// TODO(jonskeet): Work out what this means
return(DynamicMessage.GetDefaultInstance(field.MessageType));
}
else
{
return(value);
}
}
else
{
return(base[field]);
}
}
}
public void DynamicMessageDefaults()
{
reflectionTester.AssertClearViaReflection(DynamicMessage.GetDefaultInstance(TestAllTypes.Descriptor));
reflectionTester.AssertClearViaReflection(DynamicMessage.CreateBuilder(TestAllTypes.Descriptor).Build());
}
