public void GivenLazyTransformStream_WhenTransformedDataHasDifferentLength_ReturnsTheCorrectStreamLength()
{
using (var lazyTransformStream = new LazyTransformReadOnlyStream <byte[]>(TestData, DoubleByteArray))
{
Assert.Equal(TestData.Length * 2, lazyTransformStream.Length);
var readBuffer = new byte[lazyTransformStream.Length];
lazyTransformStream.Read(readBuffer, 0, readBuffer.Length);
Assert.Equal(readBuffer.Length, lazyTransformStream.Position);
}
}
private static GCWatch GetGCWatch <T>(T inputData, Func <T, Stream> transformFunction)
{
var lazyTransform = new LazyTransformReadOnlyStream <T>(inputData, transformFunction);
var result = new GCWatch(lazyTransform);
// Read the entire stream
var outputBuffer = new byte[lazyTransform.Length];
lazyTransform.Read(outputBuffer, 0, outputBuffer.Length);
return(result);
}
public void GivenReverseStreamFunction_WhenUsingLazyTransformStream_StreamIsReversed()
{
using (var lazyTransform = new LazyTransformReadOnlyStream <byte[]>(TestData, ReverseByteArray))
{
Assert.Equal(TestData.Length, lazyTransform.Length);
var resultBuffer = new byte[TestData.Length];
Assert.Equal(TestData.Length, lazyTransform.Read(resultBuffer, 0, TestData.Length));
for (var i = 0; i < TestData.Length; i++)
{
Assert.Equal(TestData[i], resultBuffer[TestData.Length - 1 - i]);
}
}
}