public void CopyStream_WithReadOnlyStreamAsTarget_Throws()
{
using (var sourceStream = File.OpenRead("DummyFileOne.txt"))
using (var targetStream = File.OpenRead("DummyFileTwo.txt"))
{
StreamIO.CopyStream(sourceStream, targetStream);
}
}
public void CopyStream_WithWriteOnlyStreamAsSource_Throws()
{
using (var sourceStream = File.OpenWrite("DummyFileOne.txt"))
using (var targetStream = File.OpenWrite("DummyFileTwo.txt"))
{
StreamIO.CopyStream(sourceStream, targetStream);
}
}
public void CopyStream_WithTwoValidStreams_CopiesOneStreamsDataToAnother()
{
string result = "";
using (var targetStream = new MemoryStream())
using (var fileInput = File.OpenRead("DummyFileOne.txt"))
{
StreamIO.CopyStream(fileInput, targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
result = new StreamReader(targetStream).ReadLine();
}
Assert.AreEqual("0123456789", result, "Failed to copy from stream to stream");
}
public void CopyStream_WithNullStreams_Throws()
{
StreamIO.CopyStream(null, null);
}