1 /* 2 * Copyright (c) 2019, 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/cds/appcds 29 * @modules jdk.jartool/sun.tools.jar 30 * @build sun.hotspot.WhiteBox 31 * @run driver ClassFileInstaller sun.hotspot.WhiteBox sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm/timeout=480 -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. MainModuleOnly 33 * @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line. 34 */ 35 36 import java.io.File; 37 import java.nio.file.Files; 38 import java.nio.file.Path; 39 import java.nio.file.Paths; 40 import java.util.Arrays; 41 42 import jdk.test.lib.process.OutputAnalyzer; 43 import jdk.test.lib.Platform; 44 45 import jtreg.SkippedException; 46 import sun.hotspot.code.Compiler; 47 48 public class MainModuleOnly extends DynamicArchiveTestBase { 49 50 private static final Path USER_DIR = Paths.get(System.getProperty("user.dir")); 51 52 private static final String FS = File.separator; 53 private static final String TEST_SRC = System.getProperty("test.src") + 54 FS + ".." + FS + "jigsaw" + FS + "modulepath"; 55 56 private static final Path SRC_DIR = Paths.get(TEST_SRC, "src"); 57 private static final Path MODS_DIR = Paths.get("mods"); 58 59 // the module name of the test module 60 private static final String TEST_MODULE1 = "com.simple"; 61 62 // the module main class 63 private static final String MAIN_CLASS = "com.simple.Main"; 64 65 private static Path moduleDir = null; 66 private static Path moduleDir2 = null; 67 private static Path destJar = null; 68 buildTestModule()69 public static void buildTestModule() throws Exception { 70 71 // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/** 72 JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1), 73 MODS_DIR.resolve(TEST_MODULE1), 74 MODS_DIR.toString()); 75 76 77 moduleDir = Files.createTempDirectory(USER_DIR, "mlib"); 78 moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2"); 79 80 Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar"); 81 destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar"); 82 String classes = MODS_DIR.resolve(TEST_MODULE1).toString(); 83 JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS); 84 Files.copy(srcJar, destJar); 85 86 } 87 testDefaultBase()88 static void testDefaultBase() throws Exception { 89 String topArchiveName = getNewArchiveName("top"); 90 doTest(topArchiveName); 91 } 92 main(String... args)93 public static void main(String... args) throws Exception { 94 runTest(MainModuleOnly::testDefaultBase); 95 } 96 doTest(String topArchiveName)97 public static void doTest(String topArchiveName) throws Exception { 98 // compile the modules and create the modular jar files 99 buildTestModule(); 100 // create an archive with both -cp and --module-path in the command line. 101 // Only the class in the modular jar in the --module-path will be archived; 102 // the class in the modular jar in the -cp won't be archived. 103 dump2(null, topArchiveName, 104 "-Xlog:cds+dynamic=debug,cds=debug", 105 "-cp", destJar.toString(), 106 "--module-path", moduleDir.toString(), 107 "-m", TEST_MODULE1) 108 .assertNormalExit(output -> { 109 output.shouldContain("Buffer-space to target-space delta") 110 .shouldContain("Written dynamic archive 0x"); 111 }); 112 113 // run with the archive using the same command line as in dump time. 114 // The main class should be loaded from the archive. 115 run2(null, topArchiveName, 116 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 117 "-cp", destJar.toString(), 118 "--module-path", moduleDir.toString(), 119 "-m", TEST_MODULE1) 120 .assertNormalExit(output -> { 121 output.shouldContain("[class,load] com.simple.Main source: shared objects file") 122 .shouldHaveExitValue(0); 123 }); 124 125 // run with the archive with the main class name inserted before the -m. 126 // The main class name will be picked up before the module name. So the 127 // main class should be loaded from the jar in the -cp. 128 run2(null, topArchiveName, 129 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 130 "-cp", destJar.toString(), 131 "--module-path", moduleDir.toString(), 132 MAIN_CLASS, "-m", TEST_MODULE1) 133 .assertNormalExit(out -> 134 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar")); 135 136 // run with the archive with exploded module. Since during dump time, we 137 // only archive classes from the modular jar in the --module-path, the 138 // main class should be loaded from the exploded module directory. 139 run2(null, topArchiveName, 140 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 141 "-cp", destJar.toString(), 142 "--module-path", MODS_DIR.toString(), 143 "-m", TEST_MODULE1 + "/" + MAIN_CLASS) 144 .assertNormalExit(out -> { 145 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple") 146 .shouldContain(MODS_DIR.toString()); 147 }); 148 149 // run with the archive with the --upgrade-module-path option. 150 // CDS will be disabled with this options and the main class will be 151 // loaded from the modular jar. 152 run2(null, topArchiveName, 153 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 154 "-cp", destJar.toString(), 155 "--upgrade-module-path", moduleDir.toString(), 156 "--module-path", moduleDir.toString(), 157 "-m", TEST_MODULE1) 158 .assertSilentlyDisabledCDS(out -> { 159 out.shouldHaveExitValue(0) 160 .shouldMatch("CDS is disabled when the.*option is specified") 161 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"); 162 }); 163 164 boolean skippedTest = false; 165 if (!Compiler.isGraalEnabled()) { 166 // run with the archive with the --limit-modules option. 167 // CDS will be disabled with this options and the main class will be 168 // loaded from the modular jar. 169 run2(null, topArchiveName, 170 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 171 "-cp", destJar.toString(), 172 "--limit-modules", "java.base," + TEST_MODULE1, 173 "--module-path", moduleDir.toString(), 174 "-m", TEST_MODULE1) 175 .assertSilentlyDisabledCDS(out -> { 176 out.shouldHaveExitValue(0) 177 .shouldMatch("CDS is disabled when the.*option is specified") 178 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"); 179 }); 180 } else { 181 skippedTest = true; 182 } 183 // run with the archive with the --patch-module option. 184 // CDS will be disabled with this options and the main class will be 185 // loaded from the modular jar. 186 run2(null, topArchiveName, 187 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 188 "-cp", destJar.toString(), 189 "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(), 190 "--module-path", moduleDir.toString(), 191 "-m", TEST_MODULE1) 192 .assertSilentlyDisabledCDS(out -> { 193 out.shouldHaveExitValue(0) 194 .shouldMatch("CDS is disabled when the.*option is specified") 195 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"); 196 }); 197 // modify the timestamp of the jar file 198 (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000); 199 // run with the archive and the jar with modified timestamp. 200 // It should fail due to timestamp of the jar doesn't match the one 201 // used during dump time. 202 run2(null, topArchiveName, 203 "-Xlog:cds+dynamic=debug,cds=debug,class+load=trace", 204 "-cp", destJar.toString(), 205 "--module-path", moduleDir.toString(), 206 "-m", TEST_MODULE1) 207 .assertAbnormalExit( 208 "A jar file is not the one used while building the shared archive file:"); 209 // create an archive with a non-empty directory in the --module-path. 210 // The dumping process will exit with an error due to non-empty directory 211 // in the --module-path. 212 dump2(null, topArchiveName, 213 "-Xlog:cds+dynamic=debug,cds=debug", 214 "-cp", destJar.toString(), 215 "--module-path", MODS_DIR.toString(), 216 "-m", TEST_MODULE1 + "/" + MAIN_CLASS) 217 .assertAbnormalExit(output -> { 218 output.shouldMatch("Error: non-empty directory.*com.simple"); 219 }); 220 221 // test module path with very long length 222 // 223 // This test can't be run on the windows platform due to an existing 224 // issue in ClassLoader::get_canonical_path() (JDK-8190737). 225 if (Platform.isWindows()) { 226 System.out.println("Long module path test cannot be tested on the Windows platform."); 227 return; 228 } 229 Path longDir = USER_DIR; 230 int pathLen = longDir.toString().length(); 231 int PATH_LEN = 2034; 232 int MAX_DIR_LEN = 250; 233 while (pathLen < PATH_LEN) { 234 int remaining = PATH_LEN - pathLen; 235 int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining; 236 char[] chars = new char[subPathLen]; 237 Arrays.fill(chars, 'x'); 238 String subPath = new String(chars); 239 longDir = Paths.get(longDir.toString(), subPath); 240 pathLen = longDir.toString().length(); 241 } 242 File longDirFile = new File(longDir.toString()); 243 try { 244 longDirFile.mkdirs(); 245 } catch (Exception e) { 246 throw e; 247 } 248 Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar"); 249 // IOException results from the Files.copy() call on platform 250 // such as MacOS X. Test can't be proceeded further with the 251 // exception. 252 try { 253 Files.copy(destJar, longDirJar); 254 } catch (java.io.IOException ioe) { 255 System.out.println("Caught IOException from Files.copy(). Cannot continue."); 256 return; 257 } 258 dump2(null, topArchiveName, 259 "-Xlog:cds+dynamic=debug,cds=debug", 260 "-cp", destJar.toString(), 261 "-Xlog:exceptions=trace", 262 "--module-path", longDirJar.toString(), 263 "-m", TEST_MODULE1) 264 .ifAbnormalExit(output -> { 265 output.shouldMatch("os::stat error.*CDS dump aborted"); 266 }); 267 268 if (skippedTest) { 269 throw new SkippedException("Skipped --limit-modules test; it can't be run with Graal enabled"); 270 } 271 } 272 } 273