russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
88 lines
3 KiB
Java
88 lines
3 KiB
Java
/*
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* Copyright 2014 Google, Inc. All Rights Reserved.
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* Copyright (c) 2026, 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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/* @test
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* @bug 8062194
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* @summary Ensure Attribute iteration order is the insertion order.
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* @run junit IterationOrder
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*/
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.jar.Attributes;
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import java.util.jar.Attributes.Name;
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import java.util.stream.Stream;
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import static org.junit.jupiter.api.Assertions.fail;
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public class IterationOrder {
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@ParameterizedTest
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@MethodSource
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void checkOrderTest(Attributes.Name k0, String v0,
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Attributes.Name k1, String v1,
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Attributes.Name k2, String v2) {
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Attributes x = new Attributes();
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x.put(k0, v0);
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x.put(k1, v1);
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x.put(k2, v2);
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Map.Entry<?,?>[] entries
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= x.entrySet().toArray(new Map.Entry<?,?>[3]);
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if (!(entries.length == 3
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&& entries[0].getKey() == k0
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&& entries[0].getValue() == v0
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&& entries[1].getKey() == k1
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&& entries[1].getValue() == v1
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&& entries[2].getKey() == k2
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&& entries[2].getValue() == v2)) {
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fail(Arrays.toString(entries));
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}
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Object[] keys = x.keySet().toArray();
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if (!(keys.length == 3
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&& keys[0] == k0
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&& keys[1] == k1
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&& keys[2] == k2)) {
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fail(Arrays.toString(keys));
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}
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}
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static Stream<Arguments> checkOrderTest() {
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Attributes.Name k0 = Name.MANIFEST_VERSION;
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Attributes.Name k1 = Name.MAIN_CLASS;
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Attributes.Name k2 = Name.SEALED;
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String v0 = "42.0";
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String v1 = "com.google.Hello";
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String v2 = "yes";
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return Stream.of(
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Arguments.of(k0, v0, k1, v1, k2, v2),
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Arguments.of(k1, v1, k0, v0, k2, v2),
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Arguments.of(k2, v2, k1, v1, k0, v0)
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);
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}
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}
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