70 lines
2.3 KiB
Java
70 lines
2.3 KiB
Java
/*
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* Copyright (c) 2023, 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 8319817
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* @summary Check that aliases cannot be mutated
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* @run junit AliasesCopy
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*/
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetDecoder;
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import java.nio.charset.CharsetEncoder;
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import java.util.Set;
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import org.junit.jupiter.api.Test;
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import static org.junit.jupiter.api.Assertions.assertIterableEquals;
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public class AliasesCopy {
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private static final Set<String> ALIASES_SET = Set.of("foo-alias");
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private static final String[] ALIASES_ARRAY = ALIASES_SET.toArray(String[]::new);
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@Test
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public void aliasesCopy() {
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final FooCharset cs = new FooCharset(ALIASES_ARRAY);
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ALIASES_ARRAY[0] = "bar-alias";
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assertIterableEquals(ALIASES_SET, cs.aliases());
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}
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private static final class FooCharset extends Charset {
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private FooCharset(String[] aliases) {
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super("foo", aliases);
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}
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@Override
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public CharsetEncoder newEncoder() {
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throw new RuntimeException("not implemented");
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}
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@Override
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public CharsetDecoder newDecoder() {
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throw new RuntimeException("not implemented");
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}
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@Override
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public boolean contains(Charset cs) {
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throw new RuntimeException("not implemented");
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}
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}
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}
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