135 lines
5.2 KiB
Java
135 lines
5.2 KiB
Java
/*
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* Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6255956
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* @summary Test equals and hashCode for descriptors
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* @author Eamonn McManus
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*
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* @run clean EqualsHashCodeTest
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* @run build EqualsHashCodeTest
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* @run main EqualsHashCodeTest
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*/
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import java.util.Arrays;
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import javax.management.*;
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import javax.management.modelmbean.DescriptorSupport;
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public class EqualsHashCodeTest {
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public static void main(String[] args) throws Exception {
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int[] squares = {1, 4, 9, 16};
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int[] serauqs = {16, 9, 4, 1};
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int[][] numbers = {squares, serauqs};
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Descriptor sq1 =
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new ImmutableDescriptor(new String[] {"name", "rank", "squares",
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"null", "numbers"},
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new Object[] {"Foo McBar", "lowly",
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squares.clone(), null,
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numbers});
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Descriptor sq2 =
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new DescriptorSupport(new String[] {"Name", "Rank", "SquareS",
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"NULL", "NuMbErS"},
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new Object[] {"Foo McBar", "lowly",
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squares.clone(), null,
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numbers});
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Descriptor sq3 = (Descriptor) sq2.clone();
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Descriptor sq4 = ImmutableDescriptor.union(sq1, sq2);
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String[] names = sq1.getFieldNames();
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Object[] values = sq1.getFieldValues((String[]) null);
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Object[] values2 = sq1.getFieldValues(names);
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if (!Arrays.deepEquals(values, values2)) {
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throw new Exception("Arrays not equal: " +
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Arrays.deepToString(values) + Arrays.deepToString(values2));
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}
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int expectedHashCode = 0;
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for (int i = 0; i < names.length; i++) {
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Object value = values[i];
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int h;
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if (value == null)
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h = 0;
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else if (value instanceof int[])
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h = Arrays.hashCode((int[]) value);
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else if (value instanceof Object[])
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h = Arrays.deepHashCode((Object[]) value);
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else
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h = value.hashCode();
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expectedHashCode += names[i].toLowerCase().hashCode() ^ h;
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}
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for (Descriptor d : new Descriptor[] {sq1, sq2, sq3, sq4}) {
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System.out.println("Testing hashCode for " +
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d.getClass().getName() + ": " + d);
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if (d.hashCode() != expectedHashCode) {
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throw new Exception("Bad hashCode: expected " +
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expectedHashCode + ", got " + d.hashCode() +
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", for " + d);
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}
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}
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int i;
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for (i = 0; i < names.length; i++) {
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if (names[i].equals("squares")) {
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values[i] = serauqs.clone();
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break;
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}
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}
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if (i >= names.length)
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throw new Exception("Internal error: no squares name");
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Descriptor qs1 = new ImmutableDescriptor(names, values);
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values[i] = serauqs.clone();
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Descriptor qs2 = new DescriptorSupport(names, values);
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System.out.println("Testing equality...");
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Object[][] equivalenceClasses = {
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{sq1, sq2, sq3, sq4},
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{qs1, qs2},
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};
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for (Object[] equivClass : equivalenceClasses) {
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for (Object a : equivClass) {
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for (Object b : equivClass) {
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if (!a.equals(b)) {
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throw new Exception("Should be equal but not: " +
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a + " :: " + b);
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}
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}
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for (Object[] equivClass2 : equivalenceClasses) {
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if (equivClass2 == equivClass)
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continue;
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for (Object b : equivClass2) {
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if (a.equals(b)) {
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throw new Exception("Should not be equal: " +
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a + " :: " + b);
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}
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}
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}
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}
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}
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System.out.println("TEST PASSED");
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}
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}
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