public async void CoreSerializeResponsesAsyncToStreamWhenStreamIsNull()
        {
            var jsonRpcSerializer = new Utf8JsonRpcSerializer();
            var jsonRpcMessage1   = new JsonRpcResponse(0L, 0L);
            var jsonRpcMessage2   = new JsonRpcResponse(0L, 1L);
            var jsonRpcMessages   = new[] { jsonRpcMessage1, jsonRpcMessage2 };

            await Assert.ThrowsAsync <ArgumentNullException>(() =>
                                                             jsonRpcSerializer.SerializeResponsesAsync(jsonRpcMessages, null));
        }
        public async void CoreSerializeResponsesAsyncToStreamWhenResponsesIsNull()
        {
            var jsonRpcSerializer = new Utf8JsonRpcSerializer();
            var jsonRpcMessage    = new JsonRpcRequest("m", 0L);

            using (var jsonStream = new MemoryStream())
            {
                await Assert.ThrowsAsync <ArgumentNullException>(() =>
                                                                 jsonRpcSerializer.SerializeResponsesAsync(null, jsonStream));
            }
        }
        public async void CoreSerializeResponsesAsyncToStream()
        {
            var jsonSample        = EmbeddedResourceManager.GetString("Assets.v2_core_batch_res.json");
            var jsonRpcSerializer = new Utf8JsonRpcSerializer();
            var jsonRpcMessage1   = new JsonRpcResponse(0L, 0L);
            var jsonRpcMessage2   = new JsonRpcResponse(0L, 1L);
            var jsonRpcMessages   = new[] { jsonRpcMessage1, jsonRpcMessage2 };

            using (var jsonStream = new MemoryStream())
            {
                await jsonRpcSerializer.SerializeResponsesAsync(jsonRpcMessages, jsonStream);

                var jsonResult = Encoding.UTF8.GetString(jsonStream.ToArray());

                CompareJsonStrings(jsonSample, jsonResult);
            }
        }