@Test
public void splitTest() throws Exception {

    assertArrayEquals(new String[]{"", "test1", "test2", "test3"},
            DataConvertingUtility.split("/test1/test2/test3", '/'));
    assertArrayEquals(new String[]{"", "test1", "", "test3"},
            DataConvertingUtility.split("/test1//test3", '/'));
    assertArrayEquals(new String[]{"aa"},
            DataConvertingUtility.split("aa", '/'));
}