001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // You may obtain a copy of the License at 006 // 007 // http://www.apache.org/licenses/LICENSE-2.0 008 // 009 // Unless required by applicable law or agreed to in writing, software 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.util; 016 017 import org.apache.tapestry.BaseComponentTestCase; 018 import org.testng.annotations.Test; 019 020 /** 021 * Tests for {@link org.apache.tapestry.util.ObjectIdentityMap} 022 * 023 * @author Howard Lewis Ship 024 * @since 4.0 025 */ 026 public class TestObjectIdentityMap extends BaseComponentTestCase 027 { 028 @Test 029 public void testGetNotFound() 030 { 031 ObjectIdentityMap map = new ObjectIdentityMap(); 032 033 map.put("fee", "fie"); 034 035 assertNull(map.get("foe")); 036 } 037 038 @Test 039 public void testGetFound() 040 { 041 ObjectIdentityMap map = new ObjectIdentityMap(); 042 043 Object value = new Object(); 044 Object key = new Object(); 045 046 map.put(key, value); 047 048 assertSame(value, map.get(key)); 049 } 050 051 @Test 052 public void testGetWhenEmpty() 053 { 054 ObjectIdentityMap map = new ObjectIdentityMap(); 055 056 assertNull(map.get(null)); 057 } 058 059 @Test 060 public void testStoreNull() 061 { 062 ObjectIdentityMap map = new ObjectIdentityMap(); 063 064 Object value = new Object(); 065 066 map.put(null, value); 067 068 assertSame(value, map.get(null)); 069 } 070 071 @Test 072 public void testStoreMany() 073 { 074 ObjectIdentityMap map = new ObjectIdentityMap(); 075 076 int count = 50; 077 078 Object[] keys = new Object[count]; 079 Object[] values = new Object[count]; 080 081 for (int i = 0; i < count; i++) 082 { 083 keys[i] = new Object(); 084 values[i] = new Object(); 085 086 map.put(keys[i], values[i]); 087 } 088 089 for (int i = 0; i < count; i++) 090 { 091 assertSame(values[i], map.get(keys[i])); 092 } 093 } 094 }