1 /*

     2  * Copyright (c) 2017, 2017, 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.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 package org.graalvm.collections.test;

    26 

    27 import org.graalvm.collections.Equivalence;

    28 import org.junit.Assert;

    29 import org.junit.Test;

    30 

    31 public class EquivalenceTest {

    32 

    33     private static final String TEST_STRING = "Graal";

    34     private static final String TEST_STRING2 = "Graal2";

    35 

    36     @Test

    37     public void testDEFAULT() {

    38         Assert.assertTrue(Equivalence.DEFAULT.equals(TEST_STRING, new String(TEST_STRING)));

    39         Assert.assertEquals(Equivalence.DEFAULT.hashCode(TEST_STRING), Equivalence.DEFAULT.hashCode(new String(TEST_STRING)));

    40         Assert.assertFalse(Equivalence.DEFAULT.equals(TEST_STRING, TEST_STRING2));

    41         Assert.assertNotEquals(Equivalence.DEFAULT.hashCode(TEST_STRING), Equivalence.DEFAULT.hashCode(TEST_STRING2));

    42     }

    43 

    44     @Test

    45     public void testIDENTITY() {

    46         Assert.assertFalse(Equivalence.IDENTITY.equals(TEST_STRING, new String(TEST_STRING)));

    47         Assert.assertEquals(Equivalence.IDENTITY.hashCode(TEST_STRING), Equivalence.IDENTITY.hashCode(new String(TEST_STRING)));

    48         Assert.assertFalse(Equivalence.IDENTITY.equals(TEST_STRING, TEST_STRING2));

    49         Assert.assertNotEquals(Equivalence.IDENTITY.hashCode(TEST_STRING), Equivalence.IDENTITY.hashCode(TEST_STRING2));

    50     }

    51 

    52     @Test

    53     public void testIDENTITYWITHSYSTEMHASHCODE() {

    54         Assert.assertFalse(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.equals(TEST_STRING, new String(TEST_STRING)));

    55         Assert.assertNotEquals(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING), Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(new String(TEST_STRING)));

    56         Assert.assertFalse(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.equals(TEST_STRING, TEST_STRING2));

    57         Assert.assertNotEquals(Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING), Equivalence.IDENTITY_WITH_SYSTEM_HASHCODE.hashCode(TEST_STRING2));

    58     }

    59 

    60 }