| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package libcore.java.util; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.LinkedList; |
| import java.util.ListIterator; |
| import java.util.NoSuchElementException; |
| |
| public class OldListIteratorTest extends TestCase { |
| |
| ListIterator<Integer> l = null; |
| |
| static Object[] objArray; |
| { |
| objArray = new Object[100]; |
| for (int i = 0; i < objArray.length; i++) |
| objArray[i] = new Integer(i); |
| } |
| |
| public void testHasNext() { |
| for (int i = 0; i < objArray.length; i++) { |
| assertTrue(l.hasNext()); |
| l.next(); |
| } |
| assertFalse(l.hasNext()); |
| } |
| |
| public void testNext() { |
| for (int i = 0; i < objArray.length; i++) { |
| assertTrue(objArray[i].equals(l.next())); |
| } |
| |
| try { |
| l.next(); |
| fail("NoSuchElementException expected"); |
| } catch (NoSuchElementException e) { |
| //expected |
| } |
| } |
| |
| class Mock_ListIterator implements ListIterator { |
| public void add(Object o) { |
| if(((String) o).equals("Wrong element")) throw new IllegalArgumentException(); |
| if(o.getClass() == Double.class) throw new ClassCastException(); |
| throw new UnsupportedOperationException(); |
| } |
| |
| public boolean hasNext() { |
| return false; |
| } |
| |
| public boolean hasPrevious() { |
| return false; |
| } |
| |
| public Object next() { |
| return null; |
| } |
| |
| public int nextIndex() { |
| return 0; |
| } |
| |
| public Object previous() { |
| return null; |
| } |
| |
| public int previousIndex() { |
| return 0; |
| } |
| |
| public void remove() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void set(Object o) { |
| if(((String) o).equals("Wrong element")) throw new IllegalArgumentException(); |
| if(o.getClass() == Double.class) throw new ClassCastException(); |
| throw new UnsupportedOperationException(); |
| } |
| } |
| |
| public void testRemove() { |
| try { |
| l.remove(); |
| fail("IllegalStateException expected"); |
| } catch (IllegalStateException e) { |
| //expected |
| } |
| for (int i = 0; i < objArray.length; i++) { |
| l.next(); |
| l.remove(); |
| assertFalse(l.hasPrevious()); |
| } |
| |
| try { |
| l.remove(); |
| fail("IllegalStateException expected"); |
| } catch (IllegalStateException e) { |
| //expected |
| } |
| |
| Mock_ListIterator ml = new Mock_ListIterator(); |
| try { |
| ml.remove(); |
| fail("UnsupportedOperationException expected"); |
| } catch (UnsupportedOperationException e) { |
| //expected |
| } |
| } |
| |
| public void testHasPrevious() { |
| assertFalse(l.hasPrevious()); |
| for (int i = 0; i < objArray.length; i++) { |
| l.next(); |
| assertTrue(l.hasPrevious()); |
| } |
| } |
| |
| public void testPrevious() { |
| try { |
| l.previous(); |
| fail("NoSuchElementException expected"); |
| } catch (NoSuchElementException e) { |
| //expected |
| } |
| while(l.hasNext()) { |
| l.next(); |
| } |
| |
| for (int i = objArray.length - 1; i > -1 ; i--) { |
| assertTrue(objArray[i].equals(l.previous())); |
| } |
| |
| try { |
| l.previous(); |
| fail("NoSuchElementException expected"); |
| } catch (NoSuchElementException e) { |
| //expected |
| } |
| } |
| |
| public void testNextIndex() { |
| for (int i = 0; i < objArray.length; i++) { |
| assertTrue(objArray[i].equals(l.nextIndex())); |
| l.next(); |
| } |
| } |
| |
| public void testPreviousIndex() { |
| for (int i = 0; i < objArray.length; i++) { |
| assertTrue(objArray[i].equals(l.previousIndex() + 1)); |
| l.next(); |
| } |
| } |
| |
| public void testSet() { |
| try { |
| l.set(new Integer(1)); |
| fail("IllegalStateException expected"); |
| } catch (IllegalStateException e) { |
| //expected |
| } |
| |
| for (int i = 0; i < objArray.length; i++) { |
| l.next(); |
| l.set((Integer)objArray[objArray.length - i - 1]); |
| } |
| |
| l.remove(); |
| try { |
| l.set(new Integer(1)); |
| fail("IllegalStateException expected"); |
| } catch (IllegalStateException e) { |
| //expected |
| } |
| |
| Mock_ListIterator ml = new Mock_ListIterator(); |
| ml.next(); |
| try { |
| ml.set("Wrong element"); |
| fail("IllegalArgumentException expected"); |
| } catch (IllegalArgumentException e) { |
| //expected |
| } |
| |
| try { |
| ml.set(new Double("3.14")); |
| fail("ClassCastException expected"); |
| } catch (ClassCastException e) { |
| //expected |
| } |
| |
| try { |
| ml.set(""); |
| fail("UnsupportedOperationException expected"); |
| } catch (UnsupportedOperationException e) { |
| //expected |
| } |
| } |
| |
| public void testAdd() { |
| l.add(new Integer(33)); |
| |
| Mock_ListIterator ml = new Mock_ListIterator(); |
| ml.next(); |
| try { |
| ml.add("Wrong element"); |
| fail("IllegalArgumentException expected"); |
| } catch (IllegalArgumentException e) { |
| //expected |
| } |
| |
| try { |
| ml.add(new Double("3.14")); |
| fail("ClassCastException expected"); |
| } catch (ClassCastException e) { |
| //expected |
| } |
| |
| try { |
| ml.add(""); |
| fail("UnsupportedOperationException expected"); |
| } catch (UnsupportedOperationException e) { |
| //expected |
| } |
| } |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| LinkedList ll = new LinkedList(); |
| for (int i = 0; i < objArray.length; i++) { |
| ll.add(objArray[i]); |
| } |
| l = ll.listIterator(); |
| } |
| } |