@@ -0,0 +1,529 @@
+package org.vertexium.util;%0A%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.junit.runners.JUnit4;%0A%0Aimport java.util.*;%0A%0Aimport static org.junit.Assert.assertEquals;%0Aimport static org.junit.Assert.assertFalse;%0Aimport static org.junit.Assert.assertTrue;%0A%0A@RunWith(JUnit4.class)%0Apublic class IterableUtilsTest %7B%0A%0A    @Test%0A    public void testIsEmpty() %7B%0A        assertTrue(IterableUtils.isEmpty(Collections.emptyList()));%0A        assertFalse(IterableUtils.isEmpty(Collections.singletonList(%22junit%22)));%0A    %7D%0A%0A%7D%0A

add a simple test for the new isEmpty method