| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to you 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 org.apache.pivot.util.test; |
| |
| import static org.junit.Assert.*; |
| |
| import java.util.HashSet; |
| import java.util.Iterator; |
| |
| import org.apache.pivot.util.ObservableSetAdapter; |
| import org.junit.Test; |
| |
| public class ObservableSetAdapterTest { |
| @Test |
| public void basicTest() { |
| ObservableSetAdapter<String> set = new ObservableSetAdapter<String>(new HashSet<String>()); |
| |
| set.add("A"); |
| assertTrue(set.contains("A")); |
| |
| set.add("B"); |
| assertTrue(set.contains("A")); |
| assertTrue(set.contains("B")); |
| |
| assertEquals(set.size(), 2); |
| |
| int i = 0; |
| for (String element : set) { |
| assertTrue(element.equals("A") |
| || element.equals("B")); |
| i++; |
| } |
| |
| assertEquals(i, 2); |
| |
| set.remove("B"); |
| assertFalse(set.contains("B")); |
| |
| set.remove("A"); |
| assertFalse(set.contains("A")); |
| |
| assertTrue(set.isEmpty()); |
| |
| set.add("A"); |
| set.add("B"); |
| set.add("C"); |
| |
| Iterator<String> iter = set.iterator(); |
| int count = 0; |
| while (iter.hasNext()) { |
| String s = iter.next(); |
| if (!set.contains(s)) { |
| fail("Unknown element in set " + s); |
| } |
| count++; |
| } |
| assertEquals(3, count); |
| |
| iter = set.iterator(); |
| while (iter.hasNext()) { |
| iter.next(); |
| iter.remove(); |
| } |
| assertEquals(0, set.size()); |
| } |
| |
| @Test |
| public void equalsTest() { |
| ObservableSetAdapter<String> set1 = new ObservableSetAdapter<String>(new HashSet<String>()); |
| set1.add("one"); |
| set1.add("two"); |
| set1.add("three"); |
| |
| ObservableSetAdapter<String> set2 = new ObservableSetAdapter<String>(new HashSet<String>()); |
| set2.add("one"); |
| set2.add("two"); |
| set2.add("three"); |
| |
| // Same |
| assertTrue(set1.equals(set2)); |
| |
| // Different values |
| set2.remove("three"); |
| set2.add("four"); |
| assertFalse(set1.equals(set2)); |
| |
| // Different lengths |
| set2.add("three"); |
| assertFalse(set1.equals(set2)); |
| } |
| } |