public static async Task AppendStreamAsyncSanityTest(int streamSize)
{
NonCryptographicHashAlgorithm hash = new CountingAlgorithm();
using (PositionValueStream stream = new PositionValueStream(streamSize))
{
await hash.AppendAsync(stream);
}
byte[] val = new byte[sizeof(int)];
hash.GetHashAndReset(val);
int res = BinaryPrimitives.ReadInt32LittleEndian(val);
Assert.Equal(streamSize, res);
}
public static void AppendStreamSanityTest(int streamSize)
{
NonCryptographicHashAlgorithm hash = new CountingAlgorithm();
using (PositionValueStream stream = new PositionValueStream(streamSize))
{
hash.Append(stream);
}
Span <byte> val = stackalloc byte[sizeof(int)];
hash.GetHashAndReset(val);
int res = BinaryPrimitives.ReadInt32LittleEndian(val);
Assert.Equal(streamSize, res);
}
public static void AppendStreamAsyncSupportsCancellation()
{
NonCryptographicHashAlgorithm hash = new CountingAlgorithm();
using (PositionValueStream stream = new PositionValueStream(21))
using (CancellationTokenSource cts = new CancellationTokenSource())
{
cts.Cancel();
Task task = hash.AppendAsync(stream, cts.Token);
Assert.True(task.IsCompleted);
Assert.True(task.IsCanceled);
}
byte[] val = new byte[sizeof(int)];
hash.GetHashAndReset(val);
int res = BinaryPrimitives.ReadInt32LittleEndian(val);
Assert.Equal(0, res);
}
public static void GetHashCode_NotSupported()
{
NonCryptographicHashAlgorithm hash = new CountingAlgorithm();
Assert.Throws <NotSupportedException>(() => hash.GetHashCode());
}