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.
124 lines
4.8 KiB
Java
124 lines
4.8 KiB
Java
/*
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* Copyright (c) 2025, 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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import jdk.test.lib.Asserts;
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import jdk.test.lib.process.ProcessTools;
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import sun.security.util.HexDumpEncoder;
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import java.nio.charset.Charset;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.nio.file.StandardOpenOption;
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import java.util.Arrays;
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/*
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* @test
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* @bug 8349664
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* @summary HEX dump should always use ASCII or ISO_8859_1
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* @modules java.base/sun.security.util
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* @library /test/lib
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*/
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public class HexDumpEncoderTests {
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private static String[] getTestCommand(final String encoding) {
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return new String[]{
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"--add-modules", "java.base",
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"--add-exports", "java.base/sun.security.util=ALL-UNNAMED",
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"-Dfile.encoding=" + encoding,
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HexDumpEncoderTests.HexDumpEncoderTest.class.getName()
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};
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}
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public static void main(String[] args) throws Exception {
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final var testCommandIso = getTestCommand("ISO-8859-1");
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final var resultIso = ProcessTools.executeTestJava(testCommandIso);
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resultIso.shouldHaveExitValue(0);
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final String latin1ResultFromFile = Files.readString(
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Path.of("ISO-8859-1.txt"));
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// This will take all available StandardCharsets and test them all
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// comparing to the ISO_8859_1.
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// Done im parallel, as this is significantly faster
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Arrays.stream(StandardCharsets.class.getDeclaredFields())
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.parallel()
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.forEach(field -> {
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if (java.lang.reflect.Modifier
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.isStatic(field.getModifiers())) {
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try {
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// getting the charset to test
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final var charset = (Charset) field.get(null);
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final var testCommand =
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getTestCommand(charset.name());
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final var result =
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ProcessTools.executeTestJava(testCommand);
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result.shouldHaveExitValue(0);
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final String resultFromFile = Files.readString(
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Path.of(charset.name()+".txt"));
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// The outputs of the ISO encoding must be identical
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// to the one tested
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Asserts.assertEquals(latin1ResultFromFile,
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resultFromFile,
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"Encoding " + charset.name());
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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});
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}
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public static class HexDumpEncoderTest {
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/**
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* This will test the encode and encode buffer functions at once,
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* as they are both representing the string in LATIN_1
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* <p>
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* The output is put to the file in scratch dir with corresponding
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* encoding name
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*/
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public static void main(String[] args) throws Exception {
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final var encoder = new HexDumpEncoder();
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final String encodeBufferResult =
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encoder.encodeBuffer(new byte[100]);
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final String encodeResult = encoder.encode(new byte[100]);
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final String content = String.format("""
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Cert Encoded With Encode Buffer: %s
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Cert Encoded With Encode: %s""",
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encodeBufferResult, encodeResult);
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Files.writeString(
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Paths.get(Charset.defaultCharset().displayName() + ".txt"),
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content,
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StandardOpenOption.CREATE,
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StandardOpenOption.TRUNCATE_EXISTING);
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}
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}
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}
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