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/*
* Copyright (c) 2010, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @summary Unit test for encode/decode convenience methods
* @run junit EncDec
*/
import java.nio.ByteBuffer;
import java.nio.charset.Charset;
import java.util.stream.Stream;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import static org.junit.jupiter.api.Assertions.assertEquals;
public class EncDec {
/**
* Test that the input String is the same after round tripping
* the Charset.encode() and Charset.decode() methods.
*/
@ParameterizedTest
@MethodSource("stringProvider")
public void roundTripTest(String pre) {
ByteBuffer bb = ByteBuffer.allocate(100);
Charset preCs = Charset.forName("ISO-8859-15");
if (!preCs.canEncode()) {
throw new RuntimeException("Error: Trying to test encode and " +
"decode methods on a charset that does not support encoding");
}
bb.put(preCs.encode(pre)).flip();
String post = Charset.forName("UTF-8").decode(bb).toString();
assertEquals(pre, post, "Mismatch after encoding + decoding, :");
}
static Stream<String> stringProvider() {
return Stream.of(
"Hello, world!",
"apple, banana, orange",
"car, truck, horse");
}
}
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