public void TestDataBufferCopy()
{
long length = 400000L;
DataBuffer <double> rootBuffer = new DataBuffer <double>(length);
DataBuffer <double> childBufferL2 = new DataBuffer <double>(rootBuffer, 100L, length - 200L);
IDataBuffer <double> childBufferL2Copy = childBufferL2.ShallowCopy();
Assert.AreSame(childBufferL2.Data, childBufferL2Copy.Data);
Assert.AreSame(childBufferL2.GetUnderlyingBuffer(), childBufferL2Copy.GetUnderlyingBuffer());
Assert.AreSame(childBufferL2.GetUnderlyingRootBuffer(), childBufferL2Copy.GetUnderlyingRootBuffer());
Assert.AreEqual(childBufferL2.Length, childBufferL2Copy.Length);
Assert.AreEqual(childBufferL2.Offset, childBufferL2Copy.Offset);
Assert.AreEqual(childBufferL2.RelativeOffset, childBufferL2Copy.RelativeOffset);
}
