public void Stream()
{
var array = new byte[] { 1, 2, 3 };
using (var stream = new MemoryStream(array))
{
Assert.False(FileStreamReadLightUp.IsFileStream(stream));
using (var provider = new StreamMemoryBlockProvider(stream, 0, array.Length, isFileStream: false, leaveOpen: true))
{
using (var block = provider.GetMemoryBlock())
{
Assert.IsType <NativeHeapMemoryBlock>(block);
Assert.Equal(3, block.Size);
AssertEx.Equal(array, block.GetContent());
}
Assert.Equal(3, stream.Position);
using (var block = provider.GetMemoryBlock(1, 2))
{
Assert.IsType <NativeHeapMemoryBlock>(block);
Assert.Equal(2, block.Size);
AssertEx.Equal(new byte[] { 2, 3 }, block.GetContent());
}
Assert.Equal(3, stream.Position);
}
using (var provider = new StreamMemoryBlockProvider(stream, 0, array.Length, isFileStream: false, leaveOpen: false))
{
using (var block = provider.GetMemoryBlock())
{
Assert.IsType <NativeHeapMemoryBlock>(block);
Assert.Equal(3, block.Size);
AssertEx.Equal(array, block.GetContent());
}
Assert.Equal(3, stream.Position);
}
Assert.Throws <ObjectDisposedException>(() => stream.Position);
}
}
public unsafe void ByteArray()
{
var array = ImmutableArray.Create(new byte[] { 1, 2, 3 });
using (var provider = new ByteArrayMemoryProvider(array))
{
using (var block = provider.GetMemoryBlock())
{
Assert.Equal(3, block.Size);
AssertEx.Equal(provider.Pointer, block.Pointer);
AssertEx.Equal(array, block.GetContent());
}
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.GetContent());
}
}
}
public unsafe void External()
{
var array = new byte[] { 1, 2, 3 };
fixed(byte *arrayPtr = array)
{
using (var provider = new ExternalMemoryBlockProvider(arrayPtr, array.Length))
{
using (var block = provider.GetMemoryBlock())
{
Assert.Equal(3, block.Size);
AssertEx.Equal(provider.Pointer, block.Pointer);
AssertEx.Equal(array, block.GetContent());
}
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.GetContent());
}
}
}
}