@Test
public void testMergeIfOneOFTheArraysIsEmpty() throws Exception {

	String[] one = new String[] { "one", "two" };
	String[] two = new String[] { "three", "four" };
	String[] empty = new String[] {};
	String[] result = new String[] { "one", "two", "three", "four" };
	Assert.assertEquals(one.length, ArrayUtils.mergeArrays(one, empty).length);
	Assert.assertEquals(0, ArrayUtils.mergeArrays(empty, empty).length);
	Assert.assertEquals(two.length, ArrayUtils.mergeArrays(empty, two).length);
}