@@ -0,0 +1,478 @@
+package com.github.davidmoten.rtree;%0A%0Aimport static org.junit.Assert.assertFalse;%0A%0Aimport org.junit.Test;%0A%0Aimport com.github.davidmoten.util.ObjectsHelper;%0A%0Apublic class ObjectsHelperTest %7B%0A%0A    @Test%0A    public void testAsClassIsAbsentIfNull() %7B%0A        assertFalse(ObjectsHelper.asClass(null, Integer.class).isPresent());%0A    %7D%0A%0A    @Test%0A    public void testAsClassIsAbsentIfDifferentClass() %7B%0A        assertFalse(ObjectsHelper.asClass(1, String.class).isPresent());%0A    %7D%0A%7D%0A

add test for ObjectsHelper