public async Task ODataServiceDocumentSerializer_Works()
        {
            // Arrange
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();
            MemoryStream          stream  = new MemoryStream();
            IODataResponseMessage message = new ODataMessageWrapper(stream);

            ODataMessageWriterSettings settings = new ODataMessageWriterSettings
            {
                ODataUri = new ODataUri {
                    ServiceRoot = new Uri("http://any/"),
                }
            };

            settings.SetContentType(ODataFormat.Json);

            ODataMessageWriter writer = new ODataMessageWriter(message, settings);

            // Act
            await serializer.WriteObjectAsync(new ODataServiceDocument(), _workspaceType, writer, new ODataSerializerContext());

            await stream.FlushAsync();

            stream.Seek(0, SeekOrigin.Begin);
            string result = new StreamReader(stream).ReadToEnd();

            // Assert
            Assert.Equal("{\"@odata.context\":\"http://any/$metadata\",\"value\":[]}", result);
        }
        public void WriteObject_Throws_CannotWriteType()
        {
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();

            ExceptionAssert.Throws <SerializationException>(
                () => serializer.WriteObject(42, _workspaceType, messageWriter: ODataTestUtil.GetMockODataMessageWriter(), writeContext: null),
                "ODataServiceDocumentSerializer cannot write an object of type 'ODataServiceDocument'.");
        }
        public void WriteObject_ThrowsArgumentNull_Graph()
        {
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();

            ExceptionAssert.ThrowsArgumentNull(
                () => serializer.WriteObject(null, type: _workspaceType, messageWriter: null, writeContext: null),
                "messageWriter");
        }
        public async Task WriteObjectAsync_Throws_CannotWriteType()
        {
            // Arrange
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();

            // Act & Assert
            await ExceptionAssert.ThrowsAsync <SerializationException>(
                () => serializer.WriteObjectAsync(42, _workspaceType, messageWriter: ODataTestUtil.GetMockODataMessageWriter(), writeContext: null),
                "ODataServiceDocumentSerializer cannot write an object of type 'ODataServiceDocument'.");
        }
        public async Task WriteObjectAsync_ThrowsArgumentNull_Graph()
        {
            // Arrange
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();

            // Act & Assert
            await ExceptionAssert.ThrowsArgumentNullAsync(
                () => serializer.WriteObjectAsync(null, type: _workspaceType, messageWriter: null, writeContext: null),
                "graph");
        }
        public void WriteObject_ThrowsArgumentNull_MessageWriter()
        {
            // Arrange
            ODataServiceDocumentSerializer serializer = new ODataServiceDocumentSerializer();

            // Act & Assert
            ExceptionAssert.ThrowsArgumentNull(
                () => serializer.WriteObject(42, _workspaceType, messageWriter: null, writeContext: null),
                "messageWriter");
        }