public static void StreamDisposed_ExpectedObjectDisposedException(Action <HttpResponseStreamWriter> action)
{
var httpResponseStreamWriter = new HttpResponseStreamWriter(new MemoryStream(), Encoding.UTF8, 10, ArrayPool <byte> .Shared, ArrayPool <char> .Shared);
httpResponseStreamWriter.Dispose();
Assert.Throws <ObjectDisposedException>(() =>
{
action(httpResponseStreamWriter);
});
}
public static async Task StreamDisposed_ExpectedObjectDisposedExceptionAsync(Func <HttpResponseStreamWriter, Task> function)
{
var httpResponseStreamWriter = new HttpResponseStreamWriter(new MemoryStream(), Encoding.UTF8, 10, ArrayPool <byte> .Shared, ArrayPool <char> .Shared);
httpResponseStreamWriter.Dispose();
await Assert.ThrowsAsync <ObjectDisposedException>(() =>
{
return(function(httpResponseStreamWriter));
});
}
public async Task DoesNotDispose_UnderlyingStream_OnDisposingWriter()
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
// Act
await writer.WriteAsync("Hello world");
writer.Dispose();
// Assert
Assert.Equal(0, stream.DisposeCallCount);
}
public async Task DoesNotFlush_UnderlyingStream_OnDisposingWriter()
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
// Act
await writer.WriteAsync("Hello");
writer.Dispose();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.FlushAsyncCallCount);
}
public async Task FlushesBuffer_OnDispose(int byteLength)
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
await writer.WriteAsync(new string('a', byteLength));
// Act
writer.Dispose();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.FlushAsyncCallCount);
Assert.Equal(byteLength, stream.Length);
}
public async Task FlushWriteThrows_DontFlushInDispose(int byteLength)
{
// Arrange
var stream = new TestMemoryStream()
{
ThrowOnWrite = true
};
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
await writer.WriteAsync(new string('a', byteLength));
await Assert.ThrowsAsync <IOException>(() => writer.FlushAsync());
// Act
writer.Dispose();
// Assert
Assert.Equal(1, stream.WriteAsyncCallCount);
Assert.Equal(0, stream.WriteCallCount);
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.FlushAsyncCallCount);
Assert.Equal(0, stream.Length);
}
public async Task FlushWriteThrows_DontFlushInDispose(int byteLength)
{
// Arrange
var stream = new TestMemoryStream() { ThrowOnWrite = true };
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
await writer.WriteAsync(new string('a', byteLength));
await Assert.ThrowsAsync<IOException>(() => writer.FlushAsync());
// Act
writer.Dispose();
// Assert
Assert.Equal(1, stream.WriteAsyncCallCount);
Assert.Equal(0, stream.WriteCallCount);
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.FlushAsyncCallCount);
Assert.Equal(0, stream.Length);
}
public async Task FlushesBuffer_OnDispose(int byteLength)
{
// Arrange
var stream = new TestMemoryStream();
var writer = new HttpResponseStreamWriter(stream, Encoding.UTF8);
await writer.WriteAsync(new string('a', byteLength));
// Act
writer.Dispose();
// Assert
Assert.Equal(0, stream.FlushCallCount);
Assert.Equal(0, stream.FlushAsyncCallCount);
Assert.Equal(byteLength, stream.Length);
}
