public static async Task Test_Buffered_Peeking_Can_Peek_Counted_Bytes_With_ReadAllAsync()
{
//arrange
DefaultStreamReaderStrategyAsync reader = new DefaultStreamReaderStrategyAsync(new byte[] { 5, 6, 7, 5 });
//act
IWireStreamReaderStrategyAsync peekedBufferReader = reader.PeekWithBufferingAsync();
byte[] peekedBytes = await peekedBufferReader.PeekBytesAsync(4);
byte[] peekedBytesAgain = await peekedBufferReader.PeekBytesAsync(2);
byte b = peekedBufferReader.ReadByte();
byte[] readBytes = await peekedBufferReader.ReadAllBytesAsync();
//assert
Assert.AreEqual(3, readBytes.Length);
for (int i = 0; i < readBytes.Length; i++)
{
Assert.AreEqual(peekedBytes[i + 1], readBytes[i]);
}
for (int i = 0; i < peekedBytesAgain.Length; i++)
{
Assert.AreEqual(peekedBytes[i], peekedBytesAgain[i]);
}
Assert.Throws <InvalidOperationException>(() => peekedBufferReader.ReadByte());
}
public static void Test_That_Prepended_Reader_Contains_Bytes_After_The_Prended_Portion(byte[] bytes)
{
//arrange
DefaultStreamReaderStrategyAsync reader = new DefaultStreamReaderStrategyAsync(new byte[] { 5, 7 });
//act
IWireStreamReaderStrategyAsync bufferedReader = reader.PreprendWithBytesAsync(bytes);
byte[] readBytes = bufferedReader.ReadBytes(bytes.Length);
//assert
for (int i = 0; i < bytes.Length; i++)
{
Assert.AreEqual(readBytes[i], bytes[i]);
}
Assert.AreEqual(5, bufferedReader.ReadByte());
Assert.AreEqual(7, bufferedReader.ReadByte());
Assert.Throws <InvalidOperationException>(() => bufferedReader.ReadByte());
}
