public void AddTypeNameAnnotationAsNeeded_AddsAnnotationWithNull_InJsonLightNoMetadataMode()
        {
            // Arrange
            string expectedTypeName = "TypeName";
            ODataCollectionValue value = new ODataCollectionValue
            {
                TypeName = expectedTypeName
            };

            // Act
            ODataCollectionSerializer.AddTypeNameAnnotationAsNeeded(value, ODataMetadataLevel.NoMetadata);

            // Assert
            SerializationTypeNameAnnotation annotation = value.GetAnnotation<SerializationTypeNameAnnotation>();
            Assert.NotNull(annotation); // Guard
            Assert.Null(annotation.TypeName);
        }
        public void AddTypeNameAnnotationAsNeeded_DoesNotAddAnnotation_InDefaultMetadataMode()
        {
            // Arrange
            ODataCollectionValue value = new ODataCollectionValue();

            // Act
            ODataCollectionSerializer.AddTypeNameAnnotationAsNeeded(value, ODataMetadataLevel.MinimalMetadata);

            // Assert
            Assert.Null(value.GetAnnotation<SerializationTypeNameAnnotation>());
        }