public void ReadAsync_should_call_wrapped_stream() { var stream = Substitute.For<Stream>(); var subject = new BsonStreamAdapter(stream); var task = new TaskCompletionSource<int>().Task; var buffer = new byte[3]; var offset = 1; var count = 2; var cancellationToken = new CancellationTokenSource().Token; stream.ReadAsync(buffer, offset, count, cancellationToken).Returns(task); var result = subject.ReadAsync(buffer, offset, count, cancellationToken); result.Should().Be(task); stream.Received(1).ReadAsync(buffer, offset, count, cancellationToken); }
public void ReadAsync_should_throw_when_subject_is_disposed() { var stream = Substitute.For<Stream>(); var subject = new BsonStreamAdapter(stream); var buffer = new byte[3]; var offset = 1; var count = 2; var cancellationToken = new CancellationTokenSource().Token; subject.Dispose(); Action action = () => subject.ReadAsync(buffer, offset, count, cancellationToken); action.ShouldThrow<ObjectDisposedException>().And.ObjectName.Should().Be("BsonStreamAdapter"); }
public void ReadAsync_should_call_wrapped_stream() { var mockStream = new Mock<Stream>(); var subject = new BsonStreamAdapter(mockStream.Object); var task = new TaskCompletionSource<int>().Task; var buffer = new byte[3]; var offset = 1; var count = 2; var cancellationToken = new CancellationTokenSource().Token; mockStream.Setup(s => s.ReadAsync(buffer, offset, count, cancellationToken)).Returns(task); var result = subject.ReadAsync(buffer, offset, count, cancellationToken); result.Should().Be(task); mockStream.Verify(s => s.ReadAsync(buffer, offset, count, cancellationToken), Times.Once); }