1 /*
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  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).
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  24 
  25 /**
  26  * @test
  27  * @requires vm.cds
  28  * @library /test/lib /test/hotspot/jtreg/runtime/cds
  29  * @modules jdk.compiler
  30  *          jdk.jartool/sun.tools.jar
  31  *          jdk.jlink
  32  * @run driver ModulePathAndCP
  33  * @summary 2 sets of tests: one with only --module-path in the command line;
  34  *          another with both -cp and --module-path in the command line.
  35  */
  36 
  37 import java.io.File;
  38 import java.nio.file.Files;
  39 import java.nio.file.Path;
  40 import java.nio.file.Paths;
  41 
  42 import jdk.test.lib.process.OutputAnalyzer;
  43 
  44 public class ModulePathAndCP {
  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 MAIN_MODULE = "com.greetings";
  55     private static final String APP_MODULE = "org.astro";
  56 
  57     // the module main class
  58     private static final String MAIN_CLASS = "com.greetings.Main";
  59     private static final String APP_CLASS = "org.astro.World";
  60 
  61     private static Path moduleDir = null;
  62     private static Path moduleDir2 = null;
  63     private static Path subJar = null;
  64     private static Path mainJar = null;
  65     private static Path destJar = null;
  66 
  67     public static void buildTestModule() throws Exception {
  68 
  69         // javac -d mods/$TESTMODULE src/$TESTMODULE/**
  70         JarBuilder.compileModule(SRC_DIR.resolve(APP_MODULE),
  71                                  MODS_DIR.resolve(APP_MODULE),
  72                                  null);
  73 
  74         // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
  75         JarBuilder.compileModule(SRC_DIR.resolve(MAIN_MODULE),
  76                                  MODS_DIR.resolve(MAIN_MODULE),
  77                                  MODS_DIR.toString());
  78 
  79         moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
  80         moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");
  81         subJar = moduleDir.resolve(APP_MODULE + ".jar");
  82         destJar = moduleDir2.resolve(APP_MODULE + ".jar");
  83         String classes = MODS_DIR.resolve(APP_MODULE).toString();
  84         JarBuilder.createModularJar(subJar.toString(), classes, null);
  85         Files.copy(subJar, destJar);
  86 
  87         mainJar = moduleDir.resolve(MAIN_MODULE + ".jar");
  88         Path mainJar2 = moduleDir2.resolve(MAIN_MODULE + ".jar");
  89         classes = MODS_DIR.resolve(MAIN_MODULE).toString();
  90         JarBuilder.createModularJar(mainJar.toString(), classes, MAIN_CLASS);
  91         Files.copy(mainJar, mainJar2);
  92 
  93     }
  94 
  95     public static void main(String... args) throws Exception {
  96         run();
  97     }
  98 
  99     public static void run(String... extra_runtime_args) throws Exception {
 100         // compile the modules and create the modular jar files
 101         buildTestModule();
 102         String appClasses[] = {MAIN_CLASS, APP_CLASS};
 103         // create an archive with the classes in the modules built in the
 104         // previous step
 105         OutputAnalyzer output = TestCommon.createArchive(
 106                                         null, appClasses,
 107                                         "--module-path", moduleDir.toString(),
 108                                         "-m", MAIN_MODULE);
 109         TestCommon.checkDump(output);
 110         String prefix[] = {"-Djava.class.path=", "-Xlog:class+load=trace"};
 111         prefix = TestCommon.concat(prefix, extra_runtime_args);
 112 
 113         // run with the archive with the --module-path the same as the one during
 114         // dump time. The classes should be loaded from the archive.
 115         TestCommon.runWithModules(prefix,
 116                                   null, // --upgrade-module-path
 117                                   moduleDir.toString(), // --module-path
 118                                   MAIN_MODULE) // -m
 119             .assertNormalExit(out -> {
 120                 out.shouldContain("[class,load] com.greetings.Main source: shared objects file")
 121                    .shouldContain("[class,load] org.astro.World source: shared objects file");
 122             });
 123 
 124         // run with the archive with the --module-path different from the one during
 125         // dump time. The classes should be loaded from the jar files.
 126         TestCommon.runWithModules(prefix,
 127                                   null, // --upgrade-module-path
 128                                   moduleDir2.toString(), // --module-path
 129                                   MAIN_MODULE) // -m
 130             .assertNormalExit(out -> {
 131                 out.shouldMatch(".class.load. com.greetings.Main source:.*com.greetings.jar")
 132                    .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");
 133             });
 134 
 135         // create an archive with modular jar files in both -cp and --module-path
 136         String jars = subJar.toString() + System.getProperty("path.separator") +
 137                       mainJar.toString();
 138         output = TestCommon.createArchive( jars, appClasses,
 139                                            "-Xlog:class+load=trace",
 140                                            "--module-path", moduleDir.toString(),
 141                                            "-m", MAIN_MODULE);
 142         TestCommon.checkDump(output);
 143 
 144         // run with archive with the main class name specified before
 145         // the module name with the -m option. Since the -m option was specified
 146         // during dump time, the classes in the jar files after the -cp won't be
 147         // archived. Therefore, the classes won't be loaded from the archive but
 148         // will be loaded from the jar files.
 149         TestCommon.run("-Xlog:class+load=trace",
 150                        "-cp", jars,
 151                        "--module-path", moduleDir.toString(),
 152                        MAIN_CLASS, "-m", MAIN_MODULE)
 153             .assertNormalExit(out -> {
 154                 out.shouldMatch(".class.load. com.greetings.Main source:.*com.greetings.jar")
 155                    .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");
 156             });
 157 
 158         // similar to the above case but without the main class name. The classes
 159         // should be loaded from the archive.
 160         TestCommon.run("-Xlog:class+load=trace",
 161                        "-cp", jars,
 162                        "--module-path", moduleDir.toString(),
 163                        "-m", MAIN_MODULE)
 164             .assertNormalExit(
 165               "[class,load] com.greetings.Main source: shared objects file",
 166               "[class,load] org.astro.World source: shared objects file");
 167 
 168         // create an archive with two modular jars in the --module-path
 169         output = TestCommon.createArchive(
 170                                         null, appClasses,
 171                                         "--module-path", jars,
 172                                         "-m", MAIN_MODULE);
 173         TestCommon.checkDump(output);
 174 
 175         // run with the above archive but with the modular jar containing the
 176         // org.astro module in a different location.
 177         // The org.astro.World class should be loaded from the jar.
 178         // The Main class should still be loaded from the archive.
 179         jars = destJar.toString() + System.getProperty("path.separator") +
 180                       mainJar.toString();
 181         TestCommon.runWithModules(prefix,
 182                                   null, // --upgrade-module-path
 183                                   jars, // --module-path
 184                                   MAIN_MODULE) // -m
 185             .assertNormalExit(out -> {
 186                 out.shouldContain("[class,load] com.greetings.Main source: shared objects file")
 187                    .shouldMatch(".class.load. org.astro.World source:.*org.astro.jar");
 188             });
 189     }
 190 }