1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 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. 8 * 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 16 * 2 along with this work; if not, write to the Free Software Foundation, 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 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @requires vm.cds 28 * @library /test/lib /test/hotspot/jtreg/runtime/appcds 29 * @modules jdk.compiler 30 * jdk.jartool/sun.tools.jar 31 * jdk.jlink 32 * @run driver 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 import java.util.Arrays; 41 42 import jdk.test.lib.process.OutputAnalyzer; 43 import jdk.test.lib.Platform; 44 45 public class MainModuleOnly { 46 47 private static final Path USER_DIR = Paths.get(System.getProperty("user.dir")); 48 49 private static final String TEST_SRC = System.getProperty("test.src"); 50 51 private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); 52 private static final Path MODS_DIR = Paths.get("mods"); 53 54 // the module name of the test module 55 private static final String TEST_MODULE1 = "com.simple"; 56 57 // the module main class 58 private static final String MAIN_CLASS = "com.simple.Main"; 59 60 private static Path moduleDir = null; 61 private static Path moduleDir2 = null; 62 private static Path destJar = null; 63 buildTestModule()64 public static void buildTestModule() throws Exception { 65 66 // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/** 67 JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1), 68 MODS_DIR.resolve(TEST_MODULE1), 69 MODS_DIR.toString()); 70 71 72 moduleDir = Files.createTempDirectory(USER_DIR, "mlib"); 73 moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2"); 74 75 Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar"); 76 destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar"); 77 String classes = MODS_DIR.resolve(TEST_MODULE1).toString(); 78 JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS); 79 Files.copy(srcJar, destJar); 80 81 } 82 main(String... args)83 public static void main(String... args) throws Exception { 84 // compile the modules and create the modular jar files 85 buildTestModule(); 86 String appClasses[] = {MAIN_CLASS}; 87 // create an archive with both -cp and --module-path in the command line. 88 // Only the class in the modular jar in the --module-path will be archived; 89 // the class in the modular jar in the -cp won't be archived. 90 OutputAnalyzer output = TestCommon.createArchive( 91 destJar.toString(), appClasses, 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("-cp", destJar.toString(), 171 "--module-path", moduleDir.toString(), 172 "-m", TEST_MODULE1) 173 .assertAbnormalExit( 174 "A jar file is not the one used while building the shared archive file:"); 175 // create an archive with a non-empty directory in the --module-path. 176 // The dumping process will exit with an error due to non-empty directory 177 // in the --module-path. 178 output = TestCommon.createArchive(destJar.toString(), appClasses, 179 "--module-path", MODS_DIR.toString(), 180 "-m", TEST_MODULE1); 181 output.shouldHaveExitValue(1) 182 .shouldMatch("Error: non-empty directory.*com.simple"); 183 184 // test module path with very long length 185 // 186 // This test can't be run on the windows platform due to an existing 187 // issue in ClassLoader::get_canonical_path() (JDK-8190737). 188 if (Platform.isWindows()) { 189 System.out.println("Long module path test cannot be tested on the Windows platform."); 190 return; 191 } 192 Path longDir = USER_DIR; 193 int pathLen = longDir.toString().length(); 194 int PATH_LEN = 2034; 195 int MAX_DIR_LEN = 250; 196 while (pathLen < PATH_LEN) { 197 int remaining = PATH_LEN - pathLen; 198 int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining; 199 char[] chars = new char[subPathLen]; 200 Arrays.fill(chars, 'x'); 201 String subPath = new String(chars); 202 longDir = Paths.get(longDir.toString(), subPath); 203 pathLen = longDir.toString().length(); 204 } 205 File longDirFile = new File(longDir.toString()); 206 try { 207 longDirFile.mkdirs(); 208 } catch (Exception e) { 209 throw e; 210 } 211 Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar"); 212 // IOException results from the Files.copy() call on platform 213 // such as MacOS X. Test can't be proceeded further with the 214 // exception. 215 try { 216 Files.copy(destJar, longDirJar); 217 } catch (java.io.IOException ioe) { 218 System.out.println("Caught IOException from Files.copy(). Cannot continue."); 219 return; 220 } 221 output = TestCommon.createArchive(destJar.toString(), appClasses, 222 "-Xlog:exceptions=trace", 223 "--module-path", longDirJar.toString(), 224 "-m", TEST_MODULE1); 225 if (output.getExitValue() != 0) { 226 output.shouldMatch("os::stat error.*CDS dump aborted"); 227 } 228 } 229 } 230