public async Task NoDataWritten_FlushAsync_DoesNotFlushUnderlyingStream() { // Arrange var stream = new TestMemoryStream(); var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8); // Act await writer.FlushAsync(); // Assert Assert.Equal(0, stream.FlushAsyncCallCount); Assert.Equal(0, stream.Length); }
public async Task FlushesBuffer_OnFlushAsync(int byteLength) { // Arrange var stream = new TestMemoryStream(); var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8); await writer.WriteAsync(new string('a', byteLength)); // Act await writer.FlushAsync(); // Assert Assert.Equal(1, stream.FlushAsyncCallCount); Assert.Equal(byteLength, stream.Length); }
public async Task FlushesBuffer_ButNotStream_OnFlushAsync(int byteLength) { // Arrange var stream = new TestMemoryStream(); var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8); await writer.WriteAsync(new string('a', byteLength)); var expectedWriteCount = Math.Ceiling((double)byteLength / HttpResponseStreamWriter.DefaultBufferSize); // Act await writer.FlushAsync(); // Assert Assert.Equal(0, stream.FlushAsyncCallCount); Assert.Equal(expectedWriteCount, stream.WriteAsyncCallCount); Assert.Equal(byteLength, stream.Length); }