1 /* 2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 package jdk.internal.vm.compiler.collections.test; 42 43 import jdk.internal.vm.compiler.collections.Equivalence; 44 import org.junit.Assert; 45 import org.junit.Test; 46 47 public class EquivalenceTest { 48 49 private static final String TEST_STRING = "Graal"; 50 private static final String TEST_STRING2 = "Graal2"; 51 52 @Test 53 public void testDEFAULT() { 54 Assert.assertTrue(Equivalence.DEFAULT.equals(TEST_STRING, new String(TEST_STRING))); 55 Assert.assertEquals(Equivalence.DEFAULT.hashCode(TEST_STRING), Equivalence.DEFAULT.hashCode(new String(TEST_STRING))); 56 Assert.assertFalse(Equivalence.DEFAULT.equals(TEST_STRING, TEST_STRING2)); 57 Assert.assertNotEquals(Equivalence.DEFAULT.hashCode(TEST_STRING), Equivalence.DEFAULT.hashCode(TEST_STRING2)); 58 } 59 60 @Test 61 public void testIDENTITY() { 62 Assert.assertFalse(Equivalence.IDENTITY.equals(TEST_STRING, new String(TEST_STRING))); 63 Assert.assertEquals(Equivalence.IDENTITY.hashCode(TEST_STRING), Equivalence.IDENTITY.hashCode(new String(TEST_STRING))); 64 Assert.assertFalse(Equivalence.IDENTITY.equals(TEST_STRING, TEST_STRING2)); 65 Assert.assertNotEquals(Equivalence.IDENTITY.hashCode(TEST_STRING), Equivalence.IDENTITY.hashCode(TEST_STRING2)); 66 } 67 68 @Test 69 public void testIDENTITYWITHSYSTEMHASHCODE() { 70 Assert.assertFalse(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.equals(TEST_STRING, new String(TEST_STRING))); 71 Assert.assertNotEquals(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING), Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(new String(TEST_STRING))); 72 Assert.assertFalse(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.equals(TEST_STRING, TEST_STRING2)); 73 Assert.assertNotEquals(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING), Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING2)); 74 } 75 76 }