public void Read_Bytes_FromBothStreams()
{
const int READ_LENGTH = 10;
var offset = (int)stream1.Length - 2;
concatenated.Position = offset;
var bytesConcatenated = new byte[READ_LENGTH];
var bytesOriginal = combinedData.Skip(offset).Take(READ_LENGTH).ToArray();
concatenated.Position = offset;
concatenated.Read(bytesConcatenated, 0, READ_LENGTH);
Assert.IsTrue(CompareBytes(bytesOriginal, bytesConcatenated));
}
public void CanCatenateSingleStream()
{
var buffer = new byte[5];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var concatenated = new ConcatenatedStream(new Stream[] { one });
concatenated.Read(buffer, 0, 5);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5 }, buffer);
}
public void CanConcatenateTwoStreams()
{
byte[] buffer = new byte[10];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var two = new MemoryStream(new byte[] { 6, 7, 8, 9, 10 });
var concatenated = new ConcatenatedStream(new Stream[] { one, two });
concatenated.Read(buffer, 0, 10);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, buffer);
}
public void CanConcatenateThreeStreams()
{
byte[] buffer = new byte[15];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var two = new MemoryStream(new byte[] { 6, 7, 8, 9, 10 });
var three = new MemoryStream(new byte[] { 11, 12, 13, 14, 15 });
var concatenated = new ConcatenatedStream(new Stream[] { one, two, three });
concatenated.Read(buffer, 0, 15);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, buffer);
}
public void ReadAllTest()
{
ConcatenatedStream cStream = new ConcatenatedStream(streamSampleOne, streamSampleTwo, streamSampleThree);
int totalLength = sampleStreamSize * 3;
byte[] output = new byte[totalLength];
cStream.Read(output, 0, totalLength);
Assert.IsTrue(
output.Take(sampleStreamSize).SequenceEqual(streamSampleOne.ToArray()),
"First array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize).Take(sampleStreamSize).SequenceEqual(streamSampleTwo.ToArray()),
"Second array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize * 2).Take(sampleStreamSize).SequenceEqual(streamSampleThree.ToArray()),
"Third array does not match");
}
