1 /*
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   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
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   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
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  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
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  24 
  25 /**
  26  * @test
  27  * @requires vm.cds
  28  * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
  29  * @modules jdk.compiler
  30  *          jdk.jartool/sun.tools.jar
  31  *          jdk.jlink
  32  * @run main MainModuleOnly
  33  * @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.
  34  */
  35 
  36 import java.io.File;
  37 import java.nio.file.Files;
  38 import java.nio.file.Path;
  39 import java.nio.file.Paths;
  40 
  41 import jdk.test.lib.process.OutputAnalyzer;
  42 import jdk.testlibrary.ProcessTools;
  43 
  44 public class MainModuleOnly {
  45 
  46     private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));
  47 
  48     private static final String TEST_SRC = System.getProperty("test.src");
  49 
  50     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
  51     private static final Path MODS_DIR = Paths.get("mods");
  52 
  53     // the module name of the test module
  54     private static final String TEST_MODULE1 = "com.simple";
  55 
  56     // the module main class
  57     private static final String MAIN_CLASS = "com.simple.Main";
  58 
  59     private static Path moduleDir = null;
  60     private static Path moduleDir2 = null;
  61     private static Path destJar = null;
  62 
  63     public static void buildTestModule() throws Exception {
  64 
  65         // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
  66         JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
  67                                  MODS_DIR.resolve(TEST_MODULE1),
  68                                  MODS_DIR.toString());
  69 
  70 
  71         moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
  72         moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");
  73 
  74         Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
  75         destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
  76         String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
  77         JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
  78         Files.copy(srcJar, destJar);
  79 
  80     }
  81 
  82     public static void main(String... args) throws Exception {
  83         // compile the modules and create the modular jar files
  84         buildTestModule();
  85         String appClasses[] = {MAIN_CLASS};
  86         // create an archive with both -cp and --module-path in the command line.
  87         // Only the class in the modular jar in the --module-path will be archived;
  88         // the class in the modular jar in the -cp won't be archived.
  89         OutputAnalyzer output = TestCommon.createArchive(
  90                                         destJar.toString(), appClasses,
  91                                         "-Xlog:class+load=trace", "-XX:+PrintSystemDictionaryAtExit",
  92                                         "--module-path", moduleDir.toString(),
  93                                         "-m", TEST_MODULE1);
  94         TestCommon.checkDump(output);
  95 
  96         // run with the archive using the same command line as in dump time.
  97         // The main class should be loaded from the archive.
  98         TestCommon.run("-Xlog:class+load=trace",
  99                        "-cp", destJar.toString(),
 100                        "--module-path", moduleDir.toString(),
 101                        "-m", TEST_MODULE1)
 102             .assertNormalExit("[class,load] com.simple.Main source: shared objects file");
 103 
 104         // run with the archive with the main class name inserted before the -m.
 105         // The main class name will be picked up before the module name. So the
 106         // main class should be loaded from the jar in the -cp.
 107         TestCommon.run("-Xlog:class+load=trace",
 108                        "-cp", destJar.toString(),
 109                        "--module-path", moduleDir.toString(),
 110                        MAIN_CLASS, "-m", TEST_MODULE1)
 111             .assertNormalExit(out -> 
 112                 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));
 113 
 114         // run with the archive with exploded module. Since during dump time, we
 115         // only archive classes from the modular jar in the --module-path, the
 116         // main class should be loaded from the exploded module directory.
 117         TestCommon.run("-Xlog:class+load=trace",
 118                        "-cp", destJar.toString(),
 119                        "--module-path", MODS_DIR.toString(),
 120                        "-m", TEST_MODULE1 + "/" + MAIN_CLASS)
 121             .assertNormalExit(out -> {
 122                 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
 123                    .shouldContain(MODS_DIR.toString());
 124             });
 125 
 126         // run with the archive with the --upgrade-module-path option.
 127         // CDS will be disabled with this options and the main class will be
 128         // loaded from the modular jar.
 129         TestCommon.run("-Xlog:class+load=trace",
 130                        "-cp", destJar.toString(),
 131                        "--upgrade-module-path", moduleDir.toString(),
 132                        "--module-path", moduleDir.toString(),
 133                        "-m", TEST_MODULE1)
 134             .assertSilentlyDisabledCDS(out -> {
 135                 out.shouldHaveExitValue(0)
 136                    .shouldMatch("CDS is disabled when the.*option is specified")
 137                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
 138             });
 139         // run with the archive with the --limit-modules option.
 140         // CDS will be disabled with this options and the main class will be
 141         // loaded from the modular jar.
 142         TestCommon.run("-Xlog:class+load=trace",
 143                        "-cp", destJar.toString(),
 144                        "--limit-modules", "java.base," + TEST_MODULE1,
 145                        "--module-path", moduleDir.toString(),
 146                        "-m", TEST_MODULE1)
 147             .assertSilentlyDisabledCDS(out -> {
 148                 out.shouldHaveExitValue(0)
 149                    .shouldMatch("CDS is disabled when the.*option is specified")
 150                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
 151             });
 152         // run with the archive with the --patch-module option.
 153         // CDS will be disabled with this options and the main class will be
 154         // loaded from the modular jar.
 155         TestCommon.run("-Xlog:class+load=trace",
 156                        "-cp", destJar.toString(),
 157                        "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
 158                        "--module-path", moduleDir.toString(),
 159                        "-m", TEST_MODULE1)
 160             .assertSilentlyDisabledCDS(out -> {
 161                 out.shouldHaveExitValue(0)
 162                    .shouldMatch("CDS is disabled when the.*option is specified")
 163                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
 164             });
 165         // modify the timestamp of the jar file
 166         (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
 167         // run with the archive and the jar with modified timestamp.
 168         // It should fail due to timestamp of the jar doesn't match the one
 169         // used during dump time.
 170         TestCommon.run("-Xlog:class+load=trace",
 171                        "-cp", destJar.toString(),
 172                        "--module-path", moduleDir.toString(),
 173                        "-m", TEST_MODULE1)
 174             .assertAbnormalExit(
 175                 "A jar/jimage file is not the one used while building the shared archive file:");
 176     }
 177 }