138 lines
4.9 KiB
Java
138 lines
4.9 KiB
Java
/*
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* Copyright (c) 2018, 2024, 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 java.io.File;
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import java.nio.file.*;
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import java.util.*;
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import static jdk.test.lib.Asserts.*;
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import jdk.test.lib.JDKToolFinder;
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import jdk.test.lib.process.ProcessTools;
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/*
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* @test
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* @bug 8214230
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* @summary Test that jlinks generates reproducible modules files
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* @library /test/lib
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* @run driver JLinkReproducibleTest
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*/
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public class JLinkReproducibleTest {
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private static final String TOOL_VM_OPTIONS = System.getProperty("test.tool.vm.opts", "");
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private static void run(List<String> cmd) throws Exception {
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var pb = new ProcessBuilder(cmd.toArray(new String[0]));
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var res = ProcessTools.executeProcess(pb);
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res.shouldHaveExitValue(0);
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}
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private static void jlink(Path image, boolean with_default_trace_file) throws Exception {
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var cmd = new ArrayList<String>();
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cmd.add(JDKToolFinder.getJDKTool("jlink"));
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if (!TOOL_VM_OPTIONS.isEmpty()) {
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cmd.addAll(Arrays.asList(TOOL_VM_OPTIONS.split("\\s+", -1)));
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}
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cmd.addAll(List.of(
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"--module-path", JMODS_DIR.toString() + File.pathSeparator + CLASS_DIR.toString(),
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"--add-modules", "main",
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"--compress=2",
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"--output", image.toString()
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));
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if (!with_default_trace_file) {
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cmd.add("--generate-jli-classes=@file-not-exists");
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}
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run(cmd);
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}
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private static void javac(String... args) throws Exception {
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var cmd = new ArrayList<String>();
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cmd.add(JDKToolFinder.getJDKTool("javac"));
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cmd.addAll(Arrays.asList(args));
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run(cmd);
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}
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private static final List<String> MODULE_INFO = List.of(
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"module main {",
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" exports org.test.main;",
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"}"
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);
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private static final List<String> MAIN_CLASS = List.of(
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"package org.test.main;",
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"public class Main {",
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" public static void main(String[] args) {",
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" System.out.println(\"Hello, world\");",
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" }",
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"}"
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);
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private static final Path CLASS_DIR = Path.of("classes");
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private static final Path JMODS_DIR = Path.of(System.getProperty("java.home"), "jmods");
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public static void main(String[] args) throws Exception {
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// Write the source code
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var srcDir = Path.of("main", "org", "test", "main");
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Files.createDirectories(srcDir.toAbsolutePath());
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var srcFile = srcDir.resolve("Main.java");
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Files.write(srcFile, MAIN_CLASS);
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var moduleFile = Path.of("main").resolve("module-info.java");
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Files.write(moduleFile, MODULE_INFO);
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// Compile the source code to class files
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javac("--module-source-path", ".",
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"--module", "main",
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"-d", CLASS_DIR.toString());
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// Link the first image
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var firstImage = Path.of("image-first");
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jlink(firstImage, true);
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var firstModulesFile = firstImage.resolve("lib")
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.resolve("modules");
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// Link the second image
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var secondImage = Path.of("image-second");
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jlink(secondImage, true);
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var secondModulesFile = secondImage.resolve("lib")
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.resolve("modules");
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// Ensure module files are identical
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assertEquals(-1L, Files.mismatch(firstModulesFile, secondModulesFile));
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// Link the third image
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var thirdImage = Path.of("image-third");
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jlink(thirdImage, false);
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var thirdModulesFile = thirdImage.resolve("lib")
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.resolve("modules");
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// Link the fourth image
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var fourthImage = Path.of("image-fourth");
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jlink(fourthImage, false);
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var fourthModulesFile = fourthImage.resolve("lib")
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.resolve("modules");
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// Ensure module files are identical
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assertEquals(-1L, Files.mismatch(thirdModulesFile, fourthModulesFile));
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}
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}
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