public void TwoStreamAppendSourcePostRead()
{
concatStreamSourceData.Position.Returns(10);
var cs = new ConcatStream();
Assert.That(cs.Position, Is.Zero);
cs.AppendSource(concatStreamSourceDataUsed);
Assert.That(cs.Position, Is.EqualTo(StreamSourceDefaultLength));
cs.Seek(StreamSourceDefaultLength - 1, System.IO.SeekOrigin.Begin);
concatStreamSourceDataUsed.Received().Position = StreamSourceDefaultLength - 1;
Assert.That(cs.Position, Is.EqualTo(StreamSourceDefaultLength - 1));
concatStreamSourceDataUsed.Position.Returns(StreamSourceDefaultLength - 1);
concatStreamSourceDataUsed.Read(Arg.Any <byte[]>(), 0, 1).Returns(1);
cs.ReadByte();
concatStreamSourceDataUsed.Position.Returns(StreamSourceDefaultLength);
Assert.Throws <System.InvalidOperationException>(() =>
{
cs.AppendSource(concatStreamSourceData);
});
}
public void OnePopulatedStreamReadByte()
{
concatStreamSourceData.Read(Arg.Is <byte[]>(x => x != null), 0, 1).Returns(1).AndDoes(i => i.ArgAt <byte[]>(0)[0] = 10);
var cs = new ConcatStream();
cs.AppendSource(concatStreamSourceData);
Assert.That(cs.ReadByte(), Is.EqualTo(10));
concatStreamSourceData.Received().Read(Arg.Any <byte[]>(), 0, 1);
}
public void TwoStreamsReadTwoIndependent()
{
concatStreamSourceData.Position.Returns(StreamSourceDefaultLength - 1);
concatStreamSourceData.Read(Arg.Any <byte[]>(), 0, 1).Returns(1, 0);
concatStreamSourceNoData.Length.Returns(StreamSourceDefaultLength); // Just to prevent making and setting up a new mock
concatStreamSourceNoData.Read(Arg.Any <byte[]>(), 0, 1).Returns(1);
var cs = new ConcatStream();
cs.AppendSource(concatStreamSourceData);
cs.AppendSource(concatStreamSourceNoData);
var value = cs.ReadByte();
Assert.That(value, Is.Not.EqualTo(-1));
value = cs.ReadByte();
Assert.That(value, Is.Not.EqualTo(-1));
concatStreamSourceData.Received(2).Read(Arg.Any <byte[]>(), 0, 1);
concatStreamSourceNoData.Received(1).Read(Arg.Any <byte[]>(), 0, 1);
}
public void OnePopulatedStreamReadBytePositionIsLength()
{
concatStreamSourceData.Position.Returns(1);
concatStreamSourceData.Length.Returns(1);
concatStreamSourceData.Read(null, 0, 0).ReturnsForAnyArgs(0);
var cs = new ConcatStream();
cs.AppendSource(concatStreamSourceData);
Assert.That(cs.ReadByte(), Is.EqualTo(-1));
concatStreamSourceData.Received().Read(Arg.Any <byte[]>(), 0, 1);
}
public void TwoStreamsReadOneAtStartSecondStream()
{
concatStreamSourceData.Read(Arg.Any <byte[]>(), 0, 1).Returns(1);
concatStreamSourceDataUsed.Read(null, 0, 0).ReturnsForAnyArgs(0);
var cs = new ConcatStream();
cs.AppendSource(concatStreamSourceDataUsed);
cs.AppendSource(concatStreamSourceData);
var value = cs.ReadByte();
Assert.That(value, Is.Not.EqualTo(-1));
concatStreamSourceData.Received(1).Read(Arg.Any <byte[]>(), 0, 1);
}
public void TwoStreamsReadOneAtEndFirstStream()
{
concatStreamSourceData.Position.Returns(StreamSourceDefaultLength - 1);
concatStreamSourceData.Read(Arg.Any <byte[]>(), 0, 1).Returns(1);
var cs = new ConcatStream();
cs.AppendSource(concatStreamSourceData);
cs.AppendSource(concatStreamSourceNoData);
var value = cs.ReadByte();
Assert.That(value, Is.Not.EqualTo(-1));
concatStreamSourceData.Received(1).Read(Arg.Any <byte[]>(), 0, 1);
concatStreamSourceNoData.DidNotReceiveWithAnyArgs().Read(null, 0, 0);
}
public void EmptyStreamReadByte()
{
var cs = new ConcatStream();
Assert.That(cs.ReadByte(), Is.EqualTo(-1));
}