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/*
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* Copyright (c) 2019, 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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*/
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/**
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* @test
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* @requires vm.cds
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* @library /test/lib /test/hotspot/jtreg/runtime/appcds
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* @modules jdk.compiler
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* jdk.jartool/sun.tools.jar
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* jdk.jlink
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* @run driver MainModuleOnly
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* @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.
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*/
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import java.io.File;
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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.util.Arrays;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.Platform;
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public class MainModuleOnly extends DynamicArchiveTestBase {
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private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));
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private static final String FS = File.separator;
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private static final String TEST_SRC = System.getProperty("test.src") +
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FS + ".." + FS + "jigsaw" + FS + "modulepath";
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private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
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private static final Path MODS_DIR = Paths.get("mods");
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// the module name of the test module
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private static final String TEST_MODULE1 = "com.simple";
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// the module main class
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private static final String MAIN_CLASS = "com.simple.Main";
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private static Path moduleDir = null;
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private static Path moduleDir2 = null;
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private static Path destJar = null;
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public static void buildTestModule() throws Exception {
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// javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
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JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
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MODS_DIR.resolve(TEST_MODULE1),
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MODS_DIR.toString());
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moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
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moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");
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Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
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destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
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String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
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JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
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Files.copy(srcJar, destJar);
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}
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static void testDefaultBase() throws Exception {
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String topArchiveName = getNewArchiveName("top");
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doTest(topArchiveName);
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}
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public static void main(String... args) throws Exception {
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runTest(MainModuleOnly::testDefaultBase);
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}
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public static void doTest(String topArchiveName) throws Exception {
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// compile the modules and create the modular jar files
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buildTestModule();
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// create an archive with both -cp and --module-path in the command line.
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// Only the class in the modular jar in the --module-path will be archived;
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// the class in the modular jar in the -cp won't be archived.
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dump2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug",
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"-cp", destJar.toString(),
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertNormalExit(output -> {
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output.shouldContain("Buffer-space to target-space delta")
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.shouldContain("Written dynamic archive 0x");
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});
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// run with the archive using the same command line as in dump time.
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// The main class should be loaded from the archive.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertNormalExit(output -> {
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output.shouldContain("[class,load] com.simple.Main source: shared objects file")
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.shouldHaveExitValue(0);
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});
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// run with the archive with the main class name inserted before the -m.
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// The main class name will be picked up before the module name. So the
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// main class should be loaded from the jar in the -cp.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--module-path", moduleDir.toString(),
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MAIN_CLASS, "-m", TEST_MODULE1)
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.assertNormalExit(out ->
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out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));
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// run with the archive with exploded module. Since during dump time, we
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// only archive classes from the modular jar in the --module-path, the
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// main class should be loaded from the exploded module directory.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--module-path", MODS_DIR.toString(),
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"-m", TEST_MODULE1 + "/" + MAIN_CLASS)
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.assertNormalExit(out -> {
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out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
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.shouldContain(MODS_DIR.toString());
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});
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// run with the archive with the --upgrade-module-path option.
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// CDS will be disabled with this options and the main class will be
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// loaded from the modular jar.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--upgrade-module-path", moduleDir.toString(),
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertSilentlyDisabledCDS(out -> {
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out.shouldHaveExitValue(0)
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.shouldMatch("CDS is disabled when the.*option is specified")
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.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
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});
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// run with the archive with the --limit-modules option.
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// CDS will be disabled with this options and the main class will be
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// loaded from the modular jar.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--limit-modules", "java.base," + TEST_MODULE1,
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertSilentlyDisabledCDS(out -> {
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out.shouldHaveExitValue(0)
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.shouldMatch("CDS is disabled when the.*option is specified")
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.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
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});
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// run with the archive with the --patch-module option.
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// CDS will be disabled with this options and the main class will be
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// loaded from the modular jar.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertSilentlyDisabledCDS(out -> {
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out.shouldHaveExitValue(0)
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.shouldMatch("CDS is disabled when the.*option is specified")
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.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
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});
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// modify the timestamp of the jar file
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(new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
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// run with the archive and the jar with modified timestamp.
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// It should fail due to timestamp of the jar doesn't match the one
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// used during dump time.
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run2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug,class+load=trace",
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"-cp", destJar.toString(),
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"--module-path", moduleDir.toString(),
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"-m", TEST_MODULE1)
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.assertAbnormalExit(
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"A jar file is not the one used while building the shared archive file:");
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// create an archive with a non-empty directory in the --module-path.
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// The dumping process will exit with an error due to non-empty directory
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// in the --module-path.
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dump2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug",
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"-cp", destJar.toString(),
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"--module-path", MODS_DIR.toString(),
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"-m", TEST_MODULE1 + "/" + MAIN_CLASS)
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.assertAbnormalExit(output -> {
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output.shouldMatch("Error: non-empty directory.*com.simple");
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});
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// test module path with very long length
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//
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// This test can't be run on the windows platform due to an existing
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// issue in ClassLoader::get_canonical_path() (JDK-8190737).
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if (Platform.isWindows()) {
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System.out.println("Long module path test cannot be tested on the Windows platform.");
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return;
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}
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Path longDir = USER_DIR;
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int pathLen = longDir.toString().length();
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int PATH_LEN = 2034;
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int MAX_DIR_LEN = 250;
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while (pathLen < PATH_LEN) {
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int remaining = PATH_LEN - pathLen;
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int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining;
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char[] chars = new char[subPathLen];
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Arrays.fill(chars, 'x');
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String subPath = new String(chars);
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longDir = Paths.get(longDir.toString(), subPath);
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pathLen = longDir.toString().length();
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}
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File longDirFile = new File(longDir.toString());
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try {
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longDirFile.mkdirs();
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} catch (Exception e) {
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throw e;
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}
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Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar");
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// IOException results from the Files.copy() call on platform
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// such as MacOS X. Test can't be proceeded further with the
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// exception.
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try {
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Files.copy(destJar, longDirJar);
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} catch (java.io.IOException ioe) {
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System.out.println("Caught IOException from Files.copy(). Cannot continue.");
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return;
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}
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dump2(null, topArchiveName,
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"-Xlog:cds+dynamic=debug,cds=debug",
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"-cp", destJar.toString(),
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"-Xlog:exceptions=trace",
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"--module-path", longDirJar.toString(),
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"-m", TEST_MODULE1)
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.ifAbnormalExit(output -> {
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output.shouldMatch("os::stat error.*CDS dump aborted");
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});
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}
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}
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