@Test
public void padNumericSequences() {
assertEquals(Util.padNumericSequences("12", 3), "012");
assertEquals(Util.padNumericSequences("a12", 3), "a012");
assertEquals(Util.padNumericSequences("a12b456", 3), "a012b456");
assertEquals(Util.padNumericSequences("a12b456c78d", 3), "a012b456c078d");
}
@Test
public void removeEnding() {
assertEquals(Util.removeEnding("abc", "c"), "ab");
assertEquals(Util.removeEnding("abc", "bc"), "a");
assertEquals(Util.removeEnding("abc", "b"), "abc");
assertEquals(Util.removeEnding("abc", ""), "abc");
}