65 lines
2.3 KiB
Java
65 lines
2.3 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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* @summary Unit test for encode/decode convenience methods
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* @run junit EncDec
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*/
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import java.nio.ByteBuffer;
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import java.nio.charset.Charset;
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import java.util.stream.Stream;
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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.assertEquals;
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public class EncDec {
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/**
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* Test that the input String is the same after round tripping
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* the Charset.encode() and Charset.decode() methods.
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*/
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@ParameterizedTest
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@MethodSource("stringProvider")
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public void roundTripTest(String pre) {
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ByteBuffer bb = ByteBuffer.allocate(100);
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Charset preCs = Charset.forName("ISO-8859-15");
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if (!preCs.canEncode()) {
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throw new RuntimeException("Error: Trying to test encode and " +
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"decode methods on a charset that does not support encoding");
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}
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bb.put(preCs.encode(pre)).flip();
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String post = Charset.forName("UTF-8").decode(bb).toString();
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assertEquals(pre, post, "Mismatch after encoding + decoding, :");
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}
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static Stream<String> stringProvider() {
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return Stream.of(
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"Hello, world!",
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"apple, banana, orange",
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"car, truck, horse");
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}
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}
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