public unsafe void External()
{
var array = new byte[] { 1, 2, 3, 4 };
fixed(byte *arrayPtr = array)
{
using (var provider = new ExternalMemoryBlockProvider(arrayPtr, array.Length))
{
using (var block = provider.GetMemoryBlock())
{
Assert.Equal(4, block.Size);
AssertEx.Equal(provider.Pointer, block.Pointer);
AssertEx.Equal(new byte[] { }, block.GetContentUnchecked(0, 0));
AssertEx.Equal(new byte[] { 3, 4 }, block.GetContentUnchecked(2, 2));
AssertEx.Equal(new byte[] { 1, 2, 3 }, block.GetContentUnchecked(0, 3));
}
using (var block = provider.GetMemoryBlock(1, 2))
{
AssertEx.Equal(provider.Pointer + 1, block.Pointer);
Assert.Equal(2, block.Size);
AssertEx.Equal(new byte[] { 2, 3 }, block.GetContentUnchecked(0, 2));
AssertEx.Equal(new byte[] { 3 }, block.GetContentUnchecked(1, 1));
AssertEx.Equal(new byte[] { }, block.GetContentUnchecked(2, 0));
}
}
}
}
public unsafe void External()
{
var array = new byte[] { 1, 2, 3, 4 };
fixed (byte* arrayPtr = array)
{
using (var provider = new ExternalMemoryBlockProvider(arrayPtr, array.Length))
{
using (var block = provider.GetMemoryBlock())
{
Assert.Equal(4, block.Size);
AssertEx.Equal(provider.Pointer, block.Pointer);
AssertEx.Equal(new byte[] { }, block.GetContentUnchecked(0, 0));
AssertEx.Equal(new byte[] { 3, 4 }, block.GetContentUnchecked(2, 2));
AssertEx.Equal(new byte[] { 1, 2, 3 }, block.GetContentUnchecked(0, 3));
}
using (var block = provider.GetMemoryBlock(1, 2))
{
AssertEx.Equal(provider.Pointer + 1, block.Pointer);
Assert.Equal(2, block.Size);
AssertEx.Equal(new byte[] { 2, 3 }, block.GetContentUnchecked(0, 2));
AssertEx.Equal(new byte[] { 3 }, block.GetContentUnchecked(1, 1));
AssertEx.Equal(new byte[] { }, block.GetContentUnchecked(2, 0));
}
}
}
}