public void AppendTwice()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
buffer.Length.Should().Be(0);
buffer.Write(new byte[] { 0xA, 0xB, 0xC }, 0, 3);
buffer.Position.Should().Be(3);
buffer.Length.Should().Be(3);
buffer.Position = 0;
byte[] output = new byte[3];
buffer.Read(output, 0, 3);
buffer.Position.Should().Be(3);
output.ShouldAllBeEquivalentTo(new byte[] { 0xA, 0xB, 0xC });
buffer.Write(new byte[] { 0xD, 0xE, 0xF }, 0, 3);
buffer.Position.Should().Be(6);
buffer.Length.Should().Be(6);
buffer.Position = 0;
output = new byte[6];
buffer.Read(output, 0, 6);
output.ShouldAllBeEquivalentTo(new byte[] { 0xA, 0xB, 0xC, 0xD, 0xE, 0xF });
}
}
public void EmptyBufferCanReadNoBytes()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
buffer.Read(new byte[0], 0, 1).Should().Be(0);
}
}
public void EmptyBufferThrowsOnNegativeCountRead()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
Action action = () => buffer.Read(new byte[0], 0, -1);
action.ShouldThrow<ArgumentOutOfRangeException>();
}
}
public void EmptyBufferThrowsOnPositiveOffsetRead()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
Action action = () => buffer.Read(new byte[0], 1, 0);
action.ShouldThrow<ArgumentException>();
}
}
public void EmptyBufferThrowsOnNullBufferRead()
{
using (StreamBuffer buffer = new StreamBuffer(0))
{
Action action = () => buffer.Read(null, 0, 0);
action.ShouldThrow<ArgumentNullException>();
}
}