11d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/* 21d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Copyright (C) 2009 The Guava Authors 31d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 41d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Licensed under the Apache License, Version 2.0 (the "License"); 51d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * you may not use this file except in compliance with the License. 61d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * You may obtain a copy of the License at 71d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 81d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * http://www.apache.org/licenses/LICENSE-2.0 91d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 101d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * Unless required by applicable law or agreed to in writing, software 111d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * distributed under the License is distributed on an "AS IS" BASIS, 121d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * See the License for the specific language governing permissions and 141d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * limitations under the License. 151d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 161d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 171d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpackage com.google.common.collect.testing; 181d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 191d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert/** 201d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * An unhashable object to be used in testing as values in our collections. 211d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 221d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * <p>This class is GWT compatible. 231d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * 241d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert * @author Regina O'Dell 251d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert */ 261d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringertpublic class UnhashableObject implements Comparable<UnhashableObject> { 271d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert private final int value; 281d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 291d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public UnhashableObject(int value) { 301d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert this.value = value; 311d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 321d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 331d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public boolean equals(Object object) { 341d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert if (object instanceof UnhashableObject) { 351d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert UnhashableObject that = (UnhashableObject) object; 361d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return this.value == that.value; 371d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 381d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return false; 391d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 401d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 411d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public int hashCode() { 421d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert throw new UnsupportedOperationException(); 431d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 441d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 451d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert // needed because otherwise Object.toString() calls hashCode() 461d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override public String toString() { 471d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return "DontHashMe" + value; 481d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 491d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert 501d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert @Override 511d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert public int compareTo(UnhashableObject o) { 521d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert return (this.value < o.value) ? -1 : (this.value > o.value) ? 1 : 0; 531d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert } 541d580d0f6ee4f21eb309ba7b509d2c6d671c4044Bjorn Bringert} 55