public void AdvanceSingleBufferSkipsValues()
{
ByteBufferReader reader = new ByteBufferReader(SequenceFactory.Create(GetInputData(5)));
Assert.Equal(5, reader.Length);
Assert.Equal(5, reader.Remaining);
Assert.Equal(0, reader.Consumed);
Assert.Equal(0, reader.CurrentSpanIndex);
// Advance 2 positions
reader.Advance(2);
Assert.Equal(5, reader.Length);
Assert.Equal(3, reader.Remaining);
Assert.Equal(2, reader.Consumed);
Assert.Equal(2, reader.CurrentSpanIndex);
Assert.Equal(InputData[2], reader.CurrentSpan[reader.CurrentSpanIndex]);
Assert.True(reader.TryPeek(out byte value));
Assert.Equal(InputData[2], value);
// Advance 2 positions
reader.Advance(2);
Assert.Equal(1, reader.Remaining);
Assert.Equal(4, reader.Consumed);
Assert.Equal(4, reader.CurrentSpanIndex);
Assert.Equal(InputData[4], reader.CurrentSpan[reader.CurrentSpanIndex]);
Assert.True(reader.TryPeek(out value));
Assert.Equal(InputData[4], value);
}
public void AdvanceSingleBufferSkipsBytes()
{
var reader = new ByteBufferReader(BufferUtilities.CreateBuffer(GetInputData(5)));
reader.Advance(2);
Assert.Equal(2, reader.CurrentSpanIndex);
Assert.Equal(InputData[2], reader.CurrentSpan[reader.CurrentSpanIndex]);
Assert.True(reader.TryPeek(out byte value));
Assert.Equal(InputData[2], value);
reader.Advance(2);
Assert.True(reader.TryPeek(out value));
Assert.Equal(InputData[4], value);
Assert.Equal(4, reader.CurrentSpanIndex);
Assert.Equal(InputData[4], reader.CurrentSpan[reader.CurrentSpanIndex]);
}
public void TryReadTo_SingleDelimiter()
{
ReadOnlySequence <byte> bytes = SequenceFactory.Create(new byte[][] {
new byte[] { 1 },
new byte[] { 2, 3, 4, 5, 6 }
});
ByteBufferReader baseReader = new ByteBufferReader(bytes);
ByteBufferReader spanReader = baseReader;
ByteBufferReader sequenceReader = baseReader;
Span <byte> delimiter = new byte[] { 1 };
for (int i = 1; i < 6; i += 1)
{
// Also check scanning from the start.
ByteBufferReader resetReader = baseReader;
delimiter[0] = (byte)i;
Assert.True(spanReader.TryReadTo(out ReadOnlySpan <byte> span, delimiter, advancePastDelimiter: true));
Assert.True(resetReader.TryReadTo(out span, delimiter, advancePastDelimiter: true));
Assert.True(spanReader.TryPeek(out byte value));
Assert.Equal(i + 1, value);
Assert.True(resetReader.TryPeek(out value));
Assert.Equal(i + 1, value);
// Also check scanning from the start.
resetReader = baseReader;
delimiter[0] = (byte)i;
Assert.True(sequenceReader.TryReadTo(out ReadOnlySequence <byte> sequence, delimiter, advancePastDelimiter: true));
Assert.True(resetReader.TryReadTo(out sequence, delimiter, advancePastDelimiter: true));
Assert.True(sequenceReader.TryPeek(out value));
Assert.Equal(i + 1, value);
Assert.True(resetReader.TryPeek(out value));
Assert.Equal(i + 1, value);
}
}