public void testRemove() { Iterator iter = (Iterator) makeFullIterator(); try { iter.remove(); fail("Calling remove before the first call to next() should throw an exception"); } catch (IllegalStateException e) { } for ( int i = 0; i < testArray.length; i++ ) { Object testValue = testArray[i]; Object iterValue = iter.next(); assertEquals( "Iteration value is correct", testValue, iterValue ); if (! iterValue.equals("Four")) { iter.remove(); } } assertTrue("List is empty",list1.size() == 0); assertTrue("List is empty",list2.size() == 1); assertTrue("List is empty",list3.size() == 0); }
public void testIterator() { Iterator iter = (Iterator) makeFullIterator(); for ( int i = 0; i < testArray.length; i++ ) { Object testValue = testArray[i]; Object iterValue = iter.next(); assertEquals( "Iteration value is correct", testValue, iterValue ); } assertTrue("Iterator should now be empty", ! iter.hasNext() ); try { Object testValue = iter.next(); } catch (Exception e) { assertTrue("NoSuchElementException must be thrown", e.getClass().equals((new NoSuchElementException()).getClass())); } }
public void testEmptyChain() { IteratorChain chain = new IteratorChain(); assertEquals(false, chain.hasNext()); try { chain.next(); fail(); } catch (NoSuchElementException ex) {} try { chain.remove(); fail(); } catch (IllegalStateException ex) {} }
public void testFirstIteratorIsEmptyBug() { List empty = new ArrayList(); List notEmpty = new ArrayList(); notEmpty.add("A"); notEmpty.add("B"); notEmpty.add("C"); IteratorChain chain = new IteratorChain(); chain.addIterator(empty.iterator()); chain.addIterator(notEmpty.iterator()); assertTrue("should have next",chain.hasNext()); assertEquals("A",chain.next()); assertTrue("should have next",chain.hasNext()); assertEquals("B",chain.next()); assertTrue("should have next",chain.hasNext()); assertEquals("C",chain.next()); assertTrue("should not have next",!chain.hasNext()); }
public void testRemoveFromFilteredIterator() { final Predicate myPredicate = new Predicate() { public boolean evaluate( Object object ) { Integer i = (Integer) object; if (i.compareTo(new Integer(4)) < 0) return true; return false; } }; List list1 = new ArrayList(); List list2 = new ArrayList(); list1.add(new Integer(1)); list1.add(new Integer(2)); list2.add(new Integer(3)); list2.add(new Integer(4)); // will be ignored by the predicate Iterator it1 = IteratorUtils.filteredIterator(list1.iterator(), myPredicate ); Iterator it2 = IteratorUtils.filteredIterator(list2.iterator(), myPredicate ); Iterator it = IteratorUtils.chainedIterator(it1, it2); while (it.hasNext()) { it.next(); it.remove(); } assertEquals( 0, list1.size() ); assertEquals( 1, list2.size() ); }
public static Test suite() { TestSuite suite = new TestSuite(); suite.addTest(TestArrayIterator.suite()); suite.addTest(TestArrayIterator2.suite()); suite.addTest(TestArrayListIterator.suite()); suite.addTest(TestArrayListIterator2.suite()); suite.addTest(TestObjectArrayIterator.suite()); suite.addTest(TestObjectArrayListIterator.suite()); suite.addTest(TestObjectArrayListIterator2.suite()); suite.addTest(TestCollatingIterator.suite()); suite.addTest(TestFilterIterator.suite()); suite.addTest(TestFilterListIterator.suite()); suite.addTest(TestIteratorChain.suite()); suite.addTest(TestListIteratorWrapper.suite()); suite.addTest(TestLoopingIterator.suite()); suite.addTest(TestLoopingListIterator.suite()); suite.addTest(TestReverseListIterator.suite()); suite.addTest(TestSingletonIterator.suite()); suite.addTest(TestSingletonIterator2.suite()); suite.addTest(TestSingletonListIterator.suite()); suite.addTest(TestObjectGraphIterator.suite()); suite.addTest(TestUniqueFilterIterator.suite()); suite.addTest(TestUnmodifiableIterator.suite()); suite.addTest(TestUnmodifiableListIterator.suite()); suite.addTest(TestUnmodifiableMapIterator.suite()); suite.addTest(TestUnmodifiableOrderedMapIterator.suite()); return suite; }