| /* |
| * Copyright (C) 2008 The Guava Authors |
| * |
| * 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 com.google.common.collect; |
| |
| import com.google.common.annotations.GwtCompatible; |
| import java.util.Iterator; |
| import java.util.NoSuchElementException; |
| import junit.framework.TestCase; |
| |
| /** |
| * Tests for {@link UnmodifiableIterator}. |
| * |
| * @author Jared Levy |
| */ |
| @GwtCompatible |
| public class UnmodifiableIteratorTest extends TestCase { |
| |
| public void testRemove() { |
| final String[] array = {"a", "b", "c"}; |
| |
| Iterator<String> iterator = |
| new UnmodifiableIterator<String>() { |
| int i; |
| |
| @Override |
| public boolean hasNext() { |
| return i < array.length; |
| } |
| |
| @Override |
| public String next() { |
| if (!hasNext()) { |
| throw new NoSuchElementException(); |
| } |
| return array[i++]; |
| } |
| }; |
| |
| assertTrue(iterator.hasNext()); |
| assertEquals("a", iterator.next()); |
| try { |
| iterator.remove(); |
| fail(); |
| } catch (UnsupportedOperationException expected) { |
| } |
| } |
| } |