public void SeekTest()
{
using (var m = new SafeHGlobalHandle(1000))
using (var ms = new NativeMemoryStream((IntPtr)m, m.Size))
{
Assert.That(ms.Seek(20, SeekOrigin.Begin), Is.EqualTo(20));
Assert.That(ms.Seek(20, SeekOrigin.Current), Is.EqualTo(40));
Assert.That(ms.Seek(-100, SeekOrigin.End), Is.EqualTo(900));
Assert.That(() => ms.Seek(-1, SeekOrigin.Begin), Throws.ArgumentException);
Assert.That(() => ms.Seek(1, SeekOrigin.End), Throws.ArgumentException);
}
}
public void DisposedTest()
{
var ms = new NativeMemoryStream(20);
ms.Dispose();
Assert.That(ms.CanRead, Is.False);
Assert.That(ms.CanSeek, Is.False);
Assert.That(ms.CanWrite, Is.False);
Assert.That(() => ms.Capacity > 0, Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Read <int>(), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Read(typeof(int)), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Read(new byte[3], 0, 3), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.ReadByte(), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.ReadArray(typeof(byte), 1, false), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.ReadReference <int>(), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.ReadReference <string>(), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Seek(0, SeekOrigin.Begin), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.SetLength(20), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write("X"), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write("X", CharSet.Ansi), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write(new[] { "X", "Y" }), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write(new byte[3], 0, 3), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write(new[] { 1, 2 }), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.Write(256), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.WriteByte(1), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.WriteObject(Guid.NewGuid()), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.WriteReference("X"), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.WriteReference(256), Throws.InstanceOf <ObjectDisposedException>());
Assert.That(() => ms.WriteReferenceObject(Guid.NewGuid()), Throws.InstanceOf <ObjectDisposedException>());
}