public void ReadTwoShorts()
{
using (var buffer = new HeapBuffer(4))
{
for (ulong i = 0; i < 4; i++)
{
buffer[i] = (byte)(i + 1);
}
var reader = new CheckedReader(buffer);
reader.ReadShort().Should().Be(0x0201);
reader.ReadShort().Should().Be(0x0403);
}
}
public void ReadShortInCapacityPasses()
{
using (var buffer = new HeapBuffer(2))
{
var reader = new CheckedReader(buffer);
reader.ByteOffset = buffer.ByteCapacity - 2;
reader.ReadShort();
}
}
public void ReadShort(ulong offset, short expected)
{
using (var buffer = new HeapBuffer(4))
{
for (ulong i = 0; i < 4; i++)
{
buffer[i] = (byte)(i + 1);
}
var reader = new CheckedReader(buffer);
reader.ByteOffset = offset;
reader.ReadShort().Should().Be(expected, $"offset is {offset}");
}
}
public void ReadShortPastCapacityFails()
{
using (var buffer = new HeapBuffer(sizeof(short)))
{
var reader = new CheckedReader(buffer);
Action action = () => reader.ReadShort();
for (uint i = 1; i < sizeof(short); i++)
{
reader.ByteOffset = buffer.ByteCapacity - i;
action.Should().Throw <System.IO.EndOfStreamException>();
}
}
}