public void BufferSubData_Expression_UsesCorrectOffsetAndSize()
{
// Arrange
var gl = Substitute.For<IOpenGL30>();
gl.WhenForAnyArgs(g => g.GenBuffers(Arg.Any<int>(), Arg.Any<uint[]>()))
.Do(x =>
{ ((uint[])x[1])[0] = 1; });
var buffer = new VertexBuffer<PositionNormalTexCoord>(0, gl);
// Act
buffer.BufferSubData(BufferUsage.StaticDraw, x => x.TexCoord);
// Assert
gl.Received().BufferSubData((uint)BufferTarget.Array, new IntPtr(24), new IntPtr(8), Arg.Any<IntPtr>());
}
