public void TestMipmaps()
{
// load checkers texture
var tex = new TextureArray2D(IO.LoadImage(TestData.Directory + "checkers.dds"));
Assert.AreEqual(3, tex.NumMipmaps);
Assert.AreEqual(4, tex.Size.Width);
Assert.AreEqual(4, tex.Size.Height);
TestData.TestCheckersLevel0(tex.GetPixelColors(0, 0));
TestData.TestCheckersLevel1(tex.GetPixelColors(0, 1));
TestData.TestCheckersLevel2(tex.GetPixelColors(0, 2));
// remove mipmaps
tex = tex.CloneWithoutMipmapsT();
Assert.AreEqual(1, tex.NumMipmaps);
Assert.AreEqual(4, tex.Size.Width);
Assert.AreEqual(4, tex.Size.Height);
TestData.TestCheckersLevel0(tex.GetPixelColors(0, 0));
// generate mipmaps again
tex = tex.GenerateMipmapLevelsT(3);
Assert.AreEqual(3, tex.NumMipmaps);
Assert.AreEqual(4, tex.Size.Width);
Assert.AreEqual(4, tex.Size.Height);
TestData.TestCheckersLevel0(tex.GetPixelColors(0, 0));
TestData.TestCheckersLevel1(tex.GetPixelColors(0, 1));
TestData.TestCheckersLevel2(tex.GetPixelColors(0, 2));
}