public async Task TestEmptyStream()
{
var impl = new DelayedContentOutputStream();
var actualBytes = await ToBytes_(impl);
Assert.AreEqual(0, actualBytes.Length);
}
private async Task <byte[]> ToBytes_(
DelayedContentOutputStream delayedContentOutputStream)
{
using var memoryStream = new MemoryStream();
await delayedContentOutputStream.CompleteAndCopyToDelayed(memoryStream);
return(memoryStream.ToArray());
}
public async Task TestEmptyDelayedStream()
{
var impl = new DelayedContentOutputStream();
impl.WriteDelayed(Task.FromResult(Array.Empty <byte>()));
var actualBytes = await ToBytes_(impl);
Assert.AreEqual(0, actualBytes.Length);
}
public async Task TestEmptySynchronousStream()
{
var impl = new DelayedContentOutputStream();
impl.Write(Array.Empty <byte>());
var actualBytes = await ToBytes_(impl);
Assert.AreEqual(0, actualBytes.Length);
}
public async Task TestWriteDelayed()
{
var impl = new DelayedContentOutputStream();
impl.WriteDelayed(Task.FromResult(new byte[] { 1, 2 }));
impl.WriteDelayed(Task.FromResult(new byte[] { 3, 4 }));
impl.WriteDelayed(Task.FromResult(new byte[] { 5, 6 }));
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
1, 2, 3, 4, 5, 6
}, actualBytes);
}
public async Task TestWriteIndividual()
{
var impl = new DelayedContentOutputStream();
impl.WriteByte(1);
impl.WriteByte(2);
impl.WriteByte(3);
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
1, 2, 3
}, actualBytes);
}
public async Task TestPosition()
{
var impl = new DelayedContentOutputStream();
var positionTask1 = impl.GetDelayedPosition();
impl.WriteDelayed(
positionTask1.ContinueWith(pos => new[] { (byte)pos.Result }),
Task.FromResult(1L));
impl.WriteByte(1);
impl.Write(new byte[] { 2, 3 });
var positionTask2 = impl.GetDelayedPosition();
impl.WriteDelayed(
positionTask2.ContinueWith(pos => new[] { (byte)pos.Result }),
Task.FromResult(1L));
impl.WriteDelayed(Task.FromResult(new byte[] { 4, 5 }));
impl.Write(new byte[] { 6, 7 });
var positionTask3 = impl.GetDelayedPosition();
impl.WriteDelayed(
positionTask3.ContinueWith(pos => new[] { (byte)pos.Result }),
Task.FromResult(1L));
impl.WriteByte(8);
impl.WriteDelayed(Task.FromResult(new byte[] { 9, 10 }));
var positionTask4 = impl.GetDelayedPosition();
impl.WriteDelayed(
positionTask4.ContinueWith(pos => new[] { (byte)pos.Result }),
Task.FromResult(1L));
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
0, 1, 2, 3,
4, 4, 5, 6, 7,
9, 8, 9, 10,
13
}, actualBytes);
}
public async Task TestWriteEverything()
{
var impl = new DelayedContentOutputStream();
impl.WriteByte(1);
impl.Write(new byte[] { 2, 3 });
impl.WriteDelayed(Task.FromResult(new byte[] { 4, 5 }));
impl.Write(new byte[] { 6, 7 });
impl.WriteByte(8);
impl.WriteDelayed(Task.FromResult(new byte[] { 9, 10 }));
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
}, actualBytes);
}
public async Task TestDelayedLength()
{
var impl = new DelayedContentOutputStream();
var lengthTask = impl.GetDelayedLength();
impl.WriteDelayed(
lengthTask.ContinueWith(length => new[] { (byte)length.Result }),
Task.FromResult(1L));
impl.WriteDelayed(
Task.FromResult(new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }),
Task.FromResult(3L));
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
4, 0, 1, 2,
}, actualBytes);
}
public async Task TestBlockLength()
{
var impl = new DelayedContentOutputStream();
impl.EnterBlockAndGetDelayedLength(
(s, lTask) => {
s.WriteDelayed(
lTask.ContinueWith(length => new[] { (byte)length.Result }),
Task.FromResult(1L));
});
impl.WriteByte(29);
impl.EnterBlockAndGetDelayedLength(
(s, lTask) => {
s.WriteDelayed(
lTask.ContinueWith(length => new[] { (byte)length.Result }),
Task.FromResult(1L));
s.Align(5);
});
var lengthTask = impl.EnterBlockAndGetDelayedLength(
(s, lTask) => {
s.WriteByte(0);
s.WriteByte(1);
s.WriteByte(2);
});
impl.WriteDelayed(
lengthTask.ContinueWith(length => new[] { (byte)length.Result }),
Task.FromResult(1L));
var actualBytes = await ToBytes_(impl);
AssertSequence_(new byte[] {
1,
29,
1, 0, 0, 0, 0,
0, 1, 2, 3
}, actualBytes);
}