test/hotspot/jtreg/runtime/appcds/jigsaw/modulepath/MainModuleOnly.java - platform/libcore - Git at Google

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

 /**
  * @test
  * @requires vm.cds
  * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
  * @modules jdk.compiler
  *          jdk.jartool/sun.tools.jar
  *          jdk.jlink
  * @run main MainModuleOnly
  * @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.
  */

 import java.io.File;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;

 import jdk.test.lib.process.OutputAnalyzer;
 import jdk.test.lib.Platform;
 import jdk.testlibrary.ProcessTools;

 public class MainModuleOnly {

     private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));

     private static final String TEST_SRC = System.getProperty("test.src");

     private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
     private static final Path MODS_DIR = Paths.get("mods");

     // the module name of the test module
     private static final String TEST_MODULE1 = "com.simple";

     // the module main class
     private static final String MAIN_CLASS = "com.simple.Main";

     private static Path moduleDir = null;
     private static Path moduleDir2 = null;
     private static Path destJar = null;

     public static void buildTestModule() throws Exception {

         // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
         JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
                                  MODS_DIR.resolve(TEST_MODULE1),
                                  MODS_DIR.toString());


         moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
         moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");

         Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
         destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
         String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
         JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
         Files.copy(srcJar, destJar);

     }

     public static void main(String... args) throws Exception {
         // compile the modules and create the modular jar files
         buildTestModule();
         String appClasses[] = {MAIN_CLASS};
         // create an archive with both -cp and --module-path in the command line.
         // Only the class in the modular jar in the --module-path will be archived;
         // the class in the modular jar in the -cp won't be archived.
         OutputAnalyzer output = TestCommon.createArchive(
                                         destJar.toString(), appClasses,
                                         "-Xlog:class+load=trace",
                                         "--module-path", moduleDir.toString(),
                                         "-m", TEST_MODULE1);
         TestCommon.checkDump(output);

         // run with the archive using the same command line as in dump time.
         // The main class should be loaded from the archive.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--module-path", moduleDir.toString(),
                        "-m", TEST_MODULE1)
             .assertNormalExit("[class,load] com.simple.Main source: shared objects file");

         // run with the archive with the main class name inserted before the -m.
         // The main class name will be picked up before the module name. So the
         // main class should be loaded from the jar in the -cp.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--module-path", moduleDir.toString(),
                        MAIN_CLASS, "-m", TEST_MODULE1)
             .assertNormalExit(out ->
                 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));

         // run with the archive with exploded module. Since during dump time, we
         // only archive classes from the modular jar in the --module-path, the
         // main class should be loaded from the exploded module directory.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--module-path", MODS_DIR.toString(),
                        "-m", TEST_MODULE1 + "/" + MAIN_CLASS)
             .assertNormalExit(out -> {
                 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
                    .shouldContain(MODS_DIR.toString());
             });

         // run with the archive with the --upgrade-module-path option.
         // CDS will be disabled with this options and the main class will be
         // loaded from the modular jar.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--upgrade-module-path", moduleDir.toString(),
                        "--module-path", moduleDir.toString(),
                        "-m", TEST_MODULE1)
             .assertSilentlyDisabledCDS(out -> {
                 out.shouldHaveExitValue(0)
                    .shouldMatch("CDS is disabled when the.*option is specified")
                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
             });
         // run with the archive with the --limit-modules option.
         // CDS will be disabled with this options and the main class will be
         // loaded from the modular jar.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--limit-modules", "java.base," + TEST_MODULE1,
                        "--module-path", moduleDir.toString(),
                        "-m", TEST_MODULE1)
             .assertSilentlyDisabledCDS(out -> {
                 out.shouldHaveExitValue(0)
                    .shouldMatch("CDS is disabled when the.*option is specified")
                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
             });
         // run with the archive with the --patch-module option.
         // CDS will be disabled with this options and the main class will be
         // loaded from the modular jar.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
                        "--module-path", moduleDir.toString(),
                        "-m", TEST_MODULE1)
             .assertSilentlyDisabledCDS(out -> {
                 out.shouldHaveExitValue(0)
                    .shouldMatch("CDS is disabled when the.*option is specified")
                    .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
             });
         // modify the timestamp of the jar file
         (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
         // run with the archive and the jar with modified timestamp.
         // It should fail due to timestamp of the jar doesn't match the one
         // used during dump time.
         TestCommon.run("-Xlog:class+load=trace",
                        "-cp", destJar.toString(),
                        "--module-path", moduleDir.toString(),
                        "-m", TEST_MODULE1)
             .assertAbnormalExit(
                 "A jar file is not the one used while building the shared archive file:");
         // create an archive with a non-empty directory in the --module-path.
         // The dumping process will exit with an error due to non-empty directory
         // in the --module-path.
         output = TestCommon.createArchive(destJar.toString(), appClasses,
                                           "--module-path", MODS_DIR.toString(),
                                           "-m", TEST_MODULE1);
         output.shouldHaveExitValue(1)
               .shouldMatch("Error: non-empty directory.*com.simple");

         // test module path with very long length
         //
         // This test can't be run on the windows platform due to an existing
         // issue in ClassLoader::get_canonical_path() (JDK-8190737).
         if (Platform.isWindows()) {
             System.out.println("Long module path test cannot be tested on the Windows platform.");
             return;
         }
         Path longDir = USER_DIR;
         int pathLen = longDir.toString().length();
         int PATH_LEN = 2034;
         int MAX_DIR_LEN = 250;
         while (pathLen < PATH_LEN) {
             int remaining = PATH_LEN - pathLen;
             int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining;
             char[] chars = new char[subPathLen];
             Arrays.fill(chars, 'x');
             String subPath = new String(chars);
             longDir = Paths.get(longDir.toString(), subPath);
             pathLen = longDir.toString().length();
         }
         File longDirFile = new File(longDir.toString());
         try {
             longDirFile.mkdirs();
         } catch (Exception e) {
             throw e;
         }
         Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar");
         // IOException results from the Files.copy() call on platform
         // such as MacOS X. Test can't be proceeded further with the
         // exception.
         try {
             Files.copy(destJar, longDirJar);
         } catch (java.io.IOException ioe) {
             System.out.println("Caught IOException from Files.copy(). Cannot continue.");
             return;
         }
         output = TestCommon.createArchive(destJar.toString(), appClasses,
                                           "-Xlog:exceptions=trace",
                                           "--module-path", longDirJar.toString(),
                                           "-m", TEST_MODULE1);
         if (output.getExitValue() != 0) {
             output.shouldMatch("os::stat error.*CDS dump aborted");
         }
     }
 }
	/*
	* Copyright (c) 2018, 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.
	*
	*/

	/**
	* @test
	* @requires vm.cds
	* @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
	* @modules jdk.compiler
	* jdk.jartool/sun.tools.jar
	* jdk.jlink
	* @run main MainModuleOnly
	* @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.
	*/

	import java.io.File;
	import java.nio.file.Files;
	import java.nio.file.Path;
	import java.nio.file.Paths;
	import java.util.Arrays;

	import jdk.test.lib.process.OutputAnalyzer;
	import jdk.test.lib.Platform;
	import jdk.testlibrary.ProcessTools;

	public class MainModuleOnly {

	private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));

	private static final String TEST_SRC = System.getProperty("test.src");

	private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
	private static final Path MODS_DIR = Paths.get("mods");

	// the module name of the test module
	private static final String TEST_MODULE1 = "com.simple";

	// the module main class
	private static final String MAIN_CLASS = "com.simple.Main";

	private static Path moduleDir = null;
	private static Path moduleDir2 = null;
	private static Path destJar = null;

	public static void buildTestModule() throws Exception {

	// javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
	JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
	MODS_DIR.resolve(TEST_MODULE1),
	MODS_DIR.toString());


	moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
	moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");

	Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
	destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
	String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
	JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
	Files.copy(srcJar, destJar);

	}

	public static void main(String... args) throws Exception {
	// compile the modules and create the modular jar files
	buildTestModule();
	String appClasses[] = {MAIN_CLASS};
	// create an archive with both -cp and --module-path in the command line.
	// Only the class in the modular jar in the --module-path will be archived;
	// the class in the modular jar in the -cp won't be archived.
	OutputAnalyzer output = TestCommon.createArchive(
	destJar.toString(), appClasses,
	"-Xlog:class+load=trace",
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1);
	TestCommon.checkDump(output);

	// run with the archive using the same command line as in dump time.
	// The main class should be loaded from the archive.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1)
	.assertNormalExit("[class,load] com.simple.Main source: shared objects file");

	// run with the archive with the main class name inserted before the -m.
	// The main class name will be picked up before the module name. So the
	// main class should be loaded from the jar in the -cp.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--module-path", moduleDir.toString(),
	MAIN_CLASS, "-m", TEST_MODULE1)
	.assertNormalExit(out ->
	out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));

	// run with the archive with exploded module. Since during dump time, we
	// only archive classes from the modular jar in the --module-path, the
	// main class should be loaded from the exploded module directory.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--module-path", MODS_DIR.toString(),
	"-m", TEST_MODULE1 + "/" + MAIN_CLASS)
	.assertNormalExit(out -> {
	out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
	.shouldContain(MODS_DIR.toString());
	});

	// run with the archive with the --upgrade-module-path option.
	// CDS will be disabled with this options and the main class will be
	// loaded from the modular jar.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--upgrade-module-path", moduleDir.toString(),
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1)
	.assertSilentlyDisabledCDS(out -> {
	out.shouldHaveExitValue(0)
	.shouldMatch("CDS is disabled when the.*option is specified")
	.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
	});
	// run with the archive with the --limit-modules option.
	// CDS will be disabled with this options and the main class will be
	// loaded from the modular jar.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--limit-modules", "java.base," + TEST_MODULE1,
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1)
	.assertSilentlyDisabledCDS(out -> {
	out.shouldHaveExitValue(0)
	.shouldMatch("CDS is disabled when the.*option is specified")
	.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
	});
	// run with the archive with the --patch-module option.
	// CDS will be disabled with this options and the main class will be
	// loaded from the modular jar.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1)
	.assertSilentlyDisabledCDS(out -> {
	out.shouldHaveExitValue(0)
	.shouldMatch("CDS is disabled when the.*option is specified")
	.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
	});
	// modify the timestamp of the jar file
	(new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
	// run with the archive and the jar with modified timestamp.
	// It should fail due to timestamp of the jar doesn't match the one
	// used during dump time.
	TestCommon.run("-Xlog:class+load=trace",
	"-cp", destJar.toString(),
	"--module-path", moduleDir.toString(),
	"-m", TEST_MODULE1)
	.assertAbnormalExit(
	"A jar file is not the one used while building the shared archive file:");
	// create an archive with a non-empty directory in the --module-path.
	// The dumping process will exit with an error due to non-empty directory
	// in the --module-path.
	output = TestCommon.createArchive(destJar.toString(), appClasses,
	"--module-path", MODS_DIR.toString(),
	"-m", TEST_MODULE1);
	output.shouldHaveExitValue(1)
	.shouldMatch("Error: non-empty directory.*com.simple");

	// test module path with very long length
	//
	// This test can't be run on the windows platform due to an existing
	// issue in ClassLoader::get_canonical_path() (JDK-8190737).
	if (Platform.isWindows()) {
	System.out.println("Long module path test cannot be tested on the Windows platform.");
	return;
	}
	Path longDir = USER_DIR;
	int pathLen = longDir.toString().length();
	int PATH_LEN = 2034;
	int MAX_DIR_LEN = 250;
	while (pathLen < PATH_LEN) {
	int remaining = PATH_LEN - pathLen;
	int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining;
	char[] chars = new char[subPathLen];
	Arrays.fill(chars, 'x');
	String subPath = new String(chars);
	longDir = Paths.get(longDir.toString(), subPath);
	pathLen = longDir.toString().length();
	}
	File longDirFile = new File(longDir.toString());
	try {
	longDirFile.mkdirs();
	} catch (Exception e) {
	throw e;
	}
	Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar");
	// IOException results from the Files.copy() call on platform
	// such as MacOS X. Test can't be proceeded further with the
	// exception.
	try {
	Files.copy(destJar, longDirJar);
	} catch (java.io.IOException ioe) {
	System.out.println("Caught IOException from Files.copy(). Cannot continue.");
	return;
	}
	output = TestCommon.createArchive(destJar.toString(), appClasses,
	"-Xlog:exceptions=trace",
	"--module-path", longDirJar.toString(),
	"-m", TEST_MODULE1);
	if (output.getExitValue() != 0) {
	output.shouldMatch("os::stat error.*CDS dump aborted");
	}
	}
	}