private void verifyDefaults(FXAAFilter filter) {
        Assert.assertEquals("FXAAFilter", filter.getName());
        Assert.assertEquals(0.125f, filter.getReduceMul(), 0f);
        Assert.assertEquals(8f, filter.getSpanMax(), 0f);
        Assert.assertEquals(0.25f, filter.getSubPixelShift(), 0f);
        Assert.assertEquals(0f, filter.getVxOffset(), 0f);
        Assert.assertTrue(filter.isEnabled());
    }
Verify some default values of a newly instantiated {@code FXAAFilter}.

@param filter (not null, unaffected)
jme3-effects/src/test/java/com/jme3/post/filters/FXAAFilterTest.java