private void verifyDefaults(DepthOfFieldFilter filter) {
        Assert.assertEquals(1f, filter.getBlurScale(), 0f);
        Assert.assertEquals(0.2f, filter.getBlurThreshold(), 0f);
        Assert.assertFalse(filter.getDebugUnfocus());
        Assert.assertEquals(50f, filter.getFocusDistance(), 0f);
        Assert.assertEquals(10f, filter.getFocusRange(), 0f);
        Assert.assertEquals("Depth Of Field", filter.getName());
        Assert.assertTrue(filter.isEnabled());
    }
Verify some default values of a newly instantiated
{@code DepthOfFieldFilter}.

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