Compare streams

StreamAssert.cs

public static class StreamAssert
{
    public static bool AreEquivalent<T>(T left, T right)
        where T : Stream
    {
        int file1byte;
        int file2byte;

        if (left == right)
        {
            return true;
        }

        if (left.Length != right.Length)
        {
            return false;
        }

        do
        {
            file1byte = left.ReadByte();
            file2byte = right.ReadByte();
        }
        while ((file1byte == file2byte) && (file1byte != -1));

        return ((file1byte - file2byte) == 0);
    }
}