114 lines
3.8 KiB
Java
114 lines
3.8 KiB
Java
/*
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* Copyright (c) 2010, 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 4786884 6330020 8184665
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* @summary Ensure Charset.forName/isSupport throws the correct exception
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* if the charset names passed in are illegal.
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* @run junit IllegalCharsetName
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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.nio.charset.IllegalCharsetNameException;
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Test;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.MethodSource;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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public class IllegalCharsetName {
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// Charset.forName and Charset.isSupported should throw an
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// IllegalCharsetNameException when passed an illegal name
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@ParameterizedTest
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@MethodSource("illegalNames")
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public void illegalCharsetsTest(String name) {
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assertThrows(IllegalCharsetNameException.class,
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() -> Charset.forName(name));
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assertThrows(IllegalCharsetNameException.class,
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() -> Charset.forName(name));
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}
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// Charset.forName, Charset.isSupported, and the Charset constructor should
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// throw an IllegalCharsetNameException when passed an empty name
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@Test
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public void emptyCharsetsTest() {
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assertThrows(IllegalCharsetNameException.class,
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() -> Charset.forName(""));
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assertThrows(IllegalCharsetNameException.class,
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() -> Charset.forName(""));
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assertThrows(IllegalCharsetNameException.class,
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() -> new Charset("", new String[]{}) {
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@Override
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public boolean contains(Charset cs) {
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return false;
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}
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@Override
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public CharsetDecoder newDecoder() {
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return null;
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}
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@Override
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public CharsetEncoder newEncoder() {
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return null;
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}
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});
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}
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// Standard charsets may bypass alias checking during startup, test that
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// they're all well-behaved as a sanity test
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@Test
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public void aliasTest() {
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for (Charset cs : Charset.availableCharsets().values()) {
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checkAliases(cs);
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}
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}
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private static void checkAliases(Charset cs) {
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for (String alias : cs.aliases()) {
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Charset.forName(alias);
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Charset.isSupported(alias);
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}
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}
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static Stream<String> illegalNames() {
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return Stream.of(
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".",
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"_",
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":",
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"-",
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".name",
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"_name",
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":name",
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"-name",
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"name*name",
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"name?name"
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);
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}
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}
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