119 lines
4.8 KiB
Java
119 lines
4.8 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 6273752
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* @summary Test ImmutableDescriptor.union
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* @author Eamonn McManus
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*
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* @run clean UnionTest
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* @run build UnionTest
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* @run main UnionTest
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*/
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import java.util.Collections;
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import javax.management.Descriptor;
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import javax.management.ImmutableDescriptor;
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import static javax.management.ImmutableDescriptor.union;
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import static javax.management.ImmutableDescriptor.EMPTY_DESCRIPTOR;
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import javax.management.modelmbean.DescriptorSupport;
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public class UnionTest {
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public static void main(String[] args) throws Exception {
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ImmutableDescriptor immutableEmpty = new ImmutableDescriptor();
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DescriptorSupport mutableEmpty = new DescriptorSupport();
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checkEmpty(union());
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checkEmpty(union(immutableEmpty));
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checkEmpty(union(mutableEmpty));
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checkEmpty(union(EMPTY_DESCRIPTOR, immutableEmpty, mutableEmpty));
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checkEmpty(union(null, immutableEmpty, null));
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ImmutableDescriptor immutableNumbers =
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new ImmutableDescriptor(new String[] {"one", "two", "three"},
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new Object[] {1, 2, 3});
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final String[] noNames = null;
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DescriptorSupport mutableNumbers =
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new DescriptorSupport(immutableNumbers.getFieldNames(),
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immutableNumbers.getFieldValues(noNames));
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ImmutableDescriptor immutableOne =
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new ImmutableDescriptor(Collections.singletonMap("one", 1));
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DescriptorSupport mutableOne =
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new DescriptorSupport(new String[] {"one"}, new Object[] {1});
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ImmutableDescriptor immutableTwo =
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new ImmutableDescriptor(Collections.singletonMap("two", 2));
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DescriptorSupport mutableTwo =
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new DescriptorSupport(new String[] {"two"}, new Object[] {2});
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ImmutableDescriptor immutableOneTwo =
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new ImmutableDescriptor(new String[] {"one", "two"},
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new Object[] {1, 2});
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checkEqual(union(immutableNumbers), immutableNumbers);
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checkEqual(union(immutableNumbers, mutableNumbers), immutableNumbers);
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checkEqual(union(mutableNumbers, immutableNumbers), immutableNumbers);
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checkEqual(union(mutableEmpty, immutableEmpty, immutableNumbers,
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mutableNumbers, immutableOne), immutableNumbers);
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checkEqual(union(immutableOne, immutableTwo, immutableNumbers),
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immutableNumbers);
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checkEquivalent(union(immutableOne, mutableNumbers), immutableNumbers);
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checkEquivalent(union(immutableOne, immutableTwo), immutableOneTwo);
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checkEquivalent(union(mutableOne, mutableTwo), immutableOneTwo);
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if (failure != null)
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throw new Exception("TEST FAILED: " + failure);
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System.out.println("TEST PASSED");
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}
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private static void checkEmpty(ImmutableDescriptor d) {
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if (d != EMPTY_DESCRIPTOR) {
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failure = "Union of empty descriptors should be " +
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"ImmutableDescriptor.EMPTY";
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System.err.println("FAILED: " + failure);
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Thread.dumpStack();
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}
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}
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private static void checkEqual(ImmutableDescriptor d,
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ImmutableDescriptor e) {
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if (d != e) {
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failure = "Union should produce one of its arguments but does not";
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System.err.println("FAILED: " + failure);
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Thread.dumpStack();
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}
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}
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private static void checkEquivalent(ImmutableDescriptor d,
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ImmutableDescriptor e) {
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if (!d.equals(e)) {
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failure = "Union produced this: " + d + "; but should have " +
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"produced this: " + e;
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System.err.println("FAILED: " + failure);
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Thread.dumpStack();
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}
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}
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private static String failure;
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}
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