public void testThumbnails()
{
POIXMLProperties noThumbProps = sampleNoThumb.GetProperties();
Assert.IsNotNull(_props.ThumbnailPart);
Assert.IsNull(noThumbProps.ThumbnailPart);
Assert.IsNotNull(_props.ThumbnailFilename);
Assert.IsNull(noThumbProps.ThumbnailFilename);
Assert.IsNotNull(_props.ThumbnailImage);
Assert.IsNull(noThumbProps.ThumbnailImage);
Assert.AreEqual("thumbnail.jpeg", _props.ThumbnailFilename);
// Adding / changing
noThumbProps.SetThumbnail("Testing.png", new ByteArrayInputStream(new byte[1]));
Assert.IsNotNull(noThumbProps.ThumbnailPart);
Assert.AreEqual("Testing.png", noThumbProps.ThumbnailFilename);
Assert.IsNotNull(noThumbProps.ThumbnailImage);
//Assert.AreEqual(1, noThumbProps.ThumbnailImage.Available());
Assert.AreEqual(1, noThumbProps.ThumbnailImage.Length - noThumbProps.ThumbnailImage.Position);
noThumbProps.SetThumbnail("Testing2.png", new ByteArrayInputStream(new byte[2]));
Assert.IsNotNull(noThumbProps.ThumbnailPart);
Assert.AreEqual("Testing.png", noThumbProps.ThumbnailFilename);
Assert.IsNotNull(noThumbProps.ThumbnailImage);
//Assert.AreEqual(2, noThumbProps.ThumbnailImage.Available());
Assert.AreEqual(2, noThumbProps.ThumbnailImage.Length - noThumbProps.ThumbnailImage.Position);
}
