Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/Sources/formale Sprachen/Java/Openjdk/test/jdk/tools/jlink/ (Sun/Oracle ^©) Datei vom 13.11.2022 mit Größe 4 kB

Quelle JLinkReproducibleTest.java Sprache: JAVA

/*
* Copyright (c) 2018, 2019, 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.
*/

import java.io.File;
import java.nio.file.*;
import java.util.*;

import static jdk.test.lib.Asserts.*;
import jdk.test.lib.JDKToolFinder;
import jdk.test.lib.process.ProcessTools;

/*
* @test
* @bug 8214230
* @summary Test that jlinks generates reproducible modules files
* @library /test/lib
* @run driver JLinkReproducibleTest
*/
public class JLinkReproducibleTest {
    private static void run(List<String> cmd) throws Exception {
        var pb = new ProcessBuilder(cmd.toArray(new String[0]));
        var res = ProcessTools.executeProcess(pb);
        res.shouldHaveExitValue(0);
    }

    private static void jlink(Path image, boolean with_default_trace_file) throws Exception {
        var cmd = new ArrayList<String>();
        cmd.add(JDKToolFinder.getJDKTool("jlink"));
        cmd.addAll(List.of(
            "--module-path", JMODS_DIR.toString() + File.pathSeparator + CLASS_DIR.toString(),
            "--add-modules", "main",
            "--compress=2",
            "--output", image.toString()
        ));
        if (!with_default_trace_file) {
            cmd.add("--generate-jli-classes=@file-not-exists");
        }
        run(cmd);
    }

    private static void javac(String... args) throws Exception {
        var cmd = new ArrayList<String>();
        cmd.add(JDKToolFinder.getJDKTool("javac"));
        cmd.addAll(Arrays.asList(args));
        run(cmd);
    }

    private static final List<String> MODULE_INFO = List.of(
        "module main {",
        " exports org.test.main;",
        "}"
    );

    private static final List<String> MAIN_CLASS = List.of(
        "package org.test.main;",
        "public class Main {",
        " public static void main(String[] args) {",
        " System.out.println(\"Hello, world\");",
        " }",
        "}"
    );

    private static final Path CLASS_DIR = Path.of("classes");
    private static final Path JMODS_DIR = Path.of(System.getProperty("java.home"), "jmods");

    public static void main(String[] args) throws Exception {
        // Write the source code
        var srcDir = Path.of("main", "org", "test", "main");
        Files.createDirectories(srcDir.toAbsolutePath());

        var srcFile = srcDir.resolve("Main.java");
        Files.write(srcFile, MAIN_CLASS);

        var moduleFile = Path.of("main").resolve("module-info.java");
        Files.write(moduleFile, MODULE_INFO);

        // Compile the source code to class files
        javac("--module-source-path", ".",
              "--module", "main",
              "-d", CLASS_DIR.toString());

        // Link the first image
        var firstImage = Path.of("image-first");
        jlink(firstImage, true);
        var firstModulesFile = firstImage.resolve("lib")
                                         .resolve("modules");

        // Link the second image
        var secondImage = Path.of("image-second");
        jlink(secondImage, true);
        var secondModulesFile = secondImage.resolve("lib")
                                           .resolve("modules");

        // Ensure module files are identical
        assertEquals(-1L, Files.mismatch(firstModulesFile, secondModulesFile));

        // Link the third image
        var thirdImage = Path.of("image-third");
        jlink(thirdImage, false);
        var thirdModulesFile = thirdImage.resolve("lib")
                                         .resolve("modules");
        // Link the fourth image
        var fourthImage = Path.of("image-fourth");
        jlink(fourthImage, false);
        var fourthModulesFile = fourthImage.resolve("lib")
                                           .resolve("modules");

        // Ensure module files are identical
        assertEquals(-1L, Files.mismatch(thirdModulesFile, fourthModulesFile));
    }
}

quality88%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.