@Test public void testResize() throws Exception { assertEquals(0, list.size()); list.resize(1); // Resize to 1 should add 1 item and 0 should be Item::index assertEquals(1, list.size()); assertEquals(0, list.get(0).getIndex()); list.resize(2); // Resize to 2 should add 1 new item and 1 should be Item::index assertEquals(2, list.size()); assertEquals(1, list.get(1).getIndex()); }
@Test public void testResizeDown() throws Exception { list.resize(2); // Resize to 2 should add 2 items and 0 and 1 as Item::index assertEquals(2, list.size()); assertEquals(0, list.get(0).getIndex()); assertEquals(1, list.get(1).getIndex()); list.resize(1); // Resize to 2 should have no effect assertEquals(2, list.size()); assertEquals(0, list.get(0).getIndex()); assertEquals(1, list.get(1).getIndex()); }
@Test public void testResizeReturnDown() throws Exception { assertFalse(list.resize(0)); // List has already size = 0, no new item added assertTrue(list.resize(2)); // List hasn't size = 2, 2 new items added assertFalse(list.resize(1)); // List has already size > 1, no new item added }