| /* |
| * 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.commons.lang; |
| |
| import junit.framework.Test; |
| import junit.framework.TestCase; |
| import junit.framework.TestSuite; |
| import junit.textui.TestRunner; |
| |
| /** |
| * Tests for the IntHashMap class. |
| * |
| * @author Steven Caswell |
| * @version $Id$ |
| */ |
| public class IntHashMapTest extends TestCase { |
| |
| public static void main(String[] args) { |
| TestRunner.run(suite()); |
| } |
| |
| public static Test suite() { |
| TestSuite suite = new TestSuite(IntHashMapTest.class); |
| suite.setName("IntHashMapTest Tests"); |
| return suite; |
| } |
| |
| public void testConstructor() { |
| try { |
| new IntHashMap(-1, 0.0f); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| assertEquals("Illegal Capacity: -1", e.getMessage()); |
| } |
| try { |
| new IntHashMap(1, 0.0f); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| assertEquals("Illegal Load: 0.0", e.getMessage()); |
| } |
| new IntHashMap(0, 1.0f); |
| |
| try { |
| new IntHashMap(-1); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| assertEquals("Illegal Capacity: -1", e.getMessage()); |
| } |
| IntHashMap map1 = new IntHashMap(0); |
| assertEquals(0, map1.size()); |
| } |
| |
| public void testClear() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| map.clear(); |
| assertEquals(0, map.size()); |
| } |
| |
| public void testContainsKey() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| assertTrue(map.containsKey(1)); |
| assertTrue(map.containsKey(2)); |
| assertFalse(map.containsKey(3)); |
| } |
| |
| public void testContains() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| assertTrue(map.containsValue("hello")); |
| assertTrue(map.containsValue("world")); |
| assertFalse(map.containsValue("goodbye")); |
| try { |
| map.containsValue(null); |
| fail(); |
| } catch(NullPointerException e) { |
| } |
| } |
| |
| public void testContainsValue() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| assertTrue(map.containsValue("hello")); |
| assertTrue(map.containsValue("world")); |
| assertFalse(map.containsValue("goodbye")); |
| try { |
| map.containsValue(null); |
| fail(); |
| } catch(NullPointerException e) { |
| } |
| } |
| |
| public void testIsEmpty() { |
| IntHashMap map = new IntHashMap(); |
| assertTrue(map.isEmpty()); |
| assertNull(map.put(1, "hello")); |
| assertEquals(1, map.size()); |
| assertFalse(map.isEmpty()); |
| } |
| |
| public void testPut() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| assertEquals("hello", map.put(1, "hellooooo")); |
| } |
| |
| public void testRemove() { |
| IntHashMap map = new IntHashMap(); |
| assertNull(map.put(1, "hello")); |
| assertNull(map.put(2, "world")); |
| assertEquals(2, map.size()); |
| assertEquals("hello", map.remove(1)); |
| assertEquals(1, map.size()); |
| assertNull(map.remove(3)); |
| } |
| |
| } |