1 /* 2 * Copyright (c) 2014, 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 * @summary Testing use of UseAppCDS flag 28 * @requires vm.cds 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @build UseAppCDS_Test 34 * @run main UseAppCDS 35 */ 36 37 import jdk.test.lib.JDKToolLauncher; 38 import jdk.test.lib.cds.CDSTestUtils; 39 import jdk.test.lib.process.OutputAnalyzer; 40 import jdk.test.lib.process.ProcessTools; 41 42 import java.util.ArrayList; 43 import java.util.List; 44 import java.io.*; 45 46 public class UseAppCDS { 47 48 // Class UseAppCDS_Test is loaded by the App loader 49 50 static final String TEST_OUT = "UseAppCDS_Test.main--executed"; 51 52 private static final String TESTJAR = "./test.jar"; 53 private static final String TESTNAME = "UseAppCDS_Test"; 54 private static final String TESTCLASS = TESTNAME + ".class"; 55 56 private static final String CLASSES_DIR = System.getProperty("test.classes", "."); 57 private static final String CLASSLIST_FILE = "./UseAppCDS.classlist"; 58 private static final String ARCHIVE_FILE = "./shared.jsa"; 59 private static final String BOOTCLASS = "java.lang.Class"; 60 61 public static void main(String[] args) throws Exception { 62 63 // First create a jar file for the application "test" class 64 JDKToolLauncher jar = JDKToolLauncher.create("jar") 65 .addToolArg("-cf") 66 .addToolArg(TESTJAR) 67 .addToolArg("-C") 68 .addToolArg(CLASSES_DIR) 69 .addToolArg(TESTCLASS); 70 71 ProcessBuilder pb = new ProcessBuilder(jar.getCommand()); 72 TestCommon.executeAndLog(pb, "jar01").shouldHaveExitValue(0); 73 74 pb = new ProcessBuilder(jar.getCommand()); 75 TestCommon.executeAndLog(pb, "jar02").shouldHaveExitValue(0); 76 77 // In all tests the BOOTCLASS should be loaded/dumped/used 78 79 // Test 1: No AppCDS - dumping loaded classes excludes the "test" classes 80 dumpLoadedClasses(false, new String[] { BOOTCLASS }, 81 new String[] { TESTNAME }); 82 83 // Test 2: AppCDS - dumping loaded classes includes "test" classes 84 dumpLoadedClasses(true, new String[] { BOOTCLASS, TESTNAME }, 85 new String[0]); 86 87 // Next tests rely on the classlist we just dumped 88 89 // Test 3: No AppCDS - "test" classes in classlist ignored when dumping 90 // Although AppCDS isn't used, all classes will be found during dumping 91 // after the fix for JDK-8193434. Classes which are not in the boot 92 // loader dictionary will not be saved into the archive. 93 dumpArchive(false, new String[] { BOOTCLASS }, 94 new String[0]); 95 96 // Test 4: AppCDS - "test" classes in classlist are dumped 97 dumpArchive(true, new String[] { BOOTCLASS, TESTNAME }, 98 new String[0]); 99 100 // Next tests rely on the archive we just dumped 101 102 // Test 5: No AppCDS - Using archive containing "test" classes ignores them 103 useArchive(false, new String[] { BOOTCLASS }, 104 new String[] { TESTNAME }); 105 106 // Test 6: AppCDS - Using archive containing "test" classes loads them 107 useArchive(true, new String[] { BOOTCLASS, TESTNAME }, 108 new String[0]); 109 } 110 111 public static List<String> toClassNames(String filename) throws IOException { 112 ArrayList<String> classes = new ArrayList<>(); 113 try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filename)))) { 114 for (; ; ) { 115 String line = br.readLine(); 116 if (line == null) { 117 break; 118 } 119 classes.add(line.replaceAll("/", ".")); 120 } 121 } 122 return classes; 123 } 124 125 static void dumpLoadedClasses(boolean useAppCDS, String[] expectedClasses, 126 String[] unexpectedClasses) throws Exception { 127 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, 128 TestCommon.makeCommandLineForAppCDS( 129 "-XX:DumpLoadedClassList=" + CLASSLIST_FILE, 130 "-cp", 131 TESTJAR, 132 useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS", 133 TESTNAME, 134 TEST_OUT)); 135 136 OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-loaded-classes") 137 .shouldHaveExitValue(0).shouldContain(TEST_OUT); 138 139 List<String> dumpedClasses = toClassNames(CLASSLIST_FILE); 140 141 for (String clazz : expectedClasses) { 142 if (!dumpedClasses.contains(clazz)) { 143 throw new RuntimeException(clazz + " missing in " + 144 CLASSLIST_FILE); 145 } 146 } 147 for (String clazz : unexpectedClasses) { 148 if (dumpedClasses.contains(clazz)) { 149 throw new RuntimeException("Unexpectedly found " + clazz + 150 " in " + CLASSLIST_FILE); 151 } 152 } 153 } 154 155 static void dumpArchive(boolean useAppCDS, String[] expectedClasses, 156 String[] unexpectedClasses) throws Exception { 157 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, 158 TestCommon.makeCommandLineForAppCDS( 159 useAppCDS ? "-XX:-UnlockDiagnosticVMOptions" : 160 "-XX:+UnlockDiagnosticVMOptions", 161 "-cp", 162 TESTJAR, 163 useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS", 164 "-XX:SharedClassListFile=" + CLASSLIST_FILE, 165 "-XX:SharedArchiveFile=" + ARCHIVE_FILE, 166 "-Xlog:cds", 167 "-Xshare:dump")); 168 169 OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-archive") 170 .shouldHaveExitValue(0); 171 172 for (String clazz : expectedClasses) { 173 String failed = "Preload Warning: Cannot find " + clazz; 174 output.shouldNotContain(failed); 175 } 176 for (String clazz : unexpectedClasses) { 177 String failed = "Preload Warning: Cannot find " + clazz; 178 output.shouldContain(failed); 179 } 180 } 181 182 static void useArchive(boolean useAppCDS, String[] expectedClasses, 183 String[] unexpectedClasses) throws Exception { 184 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true, 185 TestCommon.makeCommandLineForAppCDS( 186 useAppCDS ? "-XX:-UnlockDiagnosticVMOptions" : 187 "-XX:+UnlockDiagnosticVMOptions", 188 "-cp", 189 TESTJAR, 190 useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS", 191 "-XX:SharedArchiveFile=" + ARCHIVE_FILE, 192 "-verbose:class", 193 "-Xshare:on", 194 TESTNAME, 195 TEST_OUT)); 196 197 OutputAnalyzer output = TestCommon.executeAndLog(pb, "use-archive"); 198 if (CDSTestUtils.isUnableToMap(output)) 199 System.out.println("Unable to map: test case skipped"); 200 else 201 output.shouldHaveExitValue(0).shouldContain(TEST_OUT); 202 203 // Quote the class name in the regex as it may contain $ 204 String prefix = ".class,load. "; 205 String archive_suffix = ".*source: shared objects file.*"; 206 String jar_suffix = ".*source: .*\\.jar"; 207 208 for (String clazz : expectedClasses) { 209 String pattern = prefix + clazz + archive_suffix; 210 try { 211 output.shouldMatch(pattern); 212 } catch (Exception e) { 213 TestCommon.checkCommonExecExceptions(output, e); 214 } 215 } 216 217 for (String clazz : unexpectedClasses) { 218 String pattern = prefix + clazz + archive_suffix; 219 try { 220 output.shouldNotMatch(pattern); 221 } catch (Exception e) { 222 TestCommon.checkCommonExecExceptions(output, e); 223 } 224 pattern = prefix + clazz + jar_suffix; 225 try { 226 output.shouldMatch(pattern); 227 } catch (Exception e) { 228 TestCommon.checkCommonExecExceptions(output, e); 229 } 230 } 231 } 232 }