public void testMonkeyReductionProportional() {

        LodGenerator lod = new LodGenerator(monkey());
        VertexBuffer[] buffer = lod.computeLods(LodGenerator.TriangleReductionMethod.PROPORTIONAL,
                REDUCTION_VALUES);

        int[] expected = { 5108, 2553, 2298, 2043, 1787, 1531, 1276, 1021 };
        int[] actual = getBufferSizes(buffer);

        assertArrayEquals(expected, actual);
    }
Tests the LodGenerator with proportional reduction on a sphere(see sphere()).
jme3-core/src/test/java/com/jme3/tools/LodGeneratorTest.java