public void ShrinkPositionStaysAtEnd()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
buffer.Write(new byte[] { 0xA, 0xB, 0xC }, 0, 3);
buffer.Position.Should().Be(3);
buffer.Length.Should().Be(3);
buffer.SetLength(2);
buffer.Position.Should().Be(2);
buffer.Length.Should().Be(2);
}
}
public void SetLengthOnEmptyStream()
{
using (StreamBuffer buffer = new StreamBuffer())
{
buffer.Length.Should().Be(0);
buffer.SetLength(7);
buffer.Length.Should().Be(7);
}
}
public void SetLengthToZero()
{
using (StreamBuffer buffer = new StreamBuffer(7))
{
buffer.Length.Should().Be(7);
buffer.SetLength(0);
buffer.Length.Should().Be(0);
}
}
public void SetNegativeLengthThrows()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
Action action = () => buffer.SetLength(-1);
action.ShouldThrow<ArgumentOutOfRangeException>();
}
}
