1 /* 2 * Copyright (c) 2017, 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 import java.io.IOException; 25 import java.nio.file.Files; 26 import java.nio.file.Paths; 27 28 import jdk.test.lib.apps.LingeredApp; 29 import jdk.test.lib.Platform; 30 import jdk.test.lib.process.OutputAnalyzer; 31 import jdk.test.lib.process.ProcessTools; 32 33 /* 34 * @test 35 * @bug 8184982 36 * @summary Test ClassDump tool 37 * @library /test/lib 38 * @run main/othervm TestClassDump 39 */ 40 41 public class TestClassDump { 42 43 private static void dumpClass(long lingeredAppPid) 44 throws IOException { 45 46 ProcessBuilder pb; 47 OutputAnalyzer output; 48 49 pb = ProcessTools.createJavaProcessBuilder( 50 "-Dsun.jvm.hotspot.tools.jcore.outputDir=jtreg_classes", 51 "-m", "jdk.hotspot.agent/sun.jvm.hotspot.tools.jcore.ClassDump", String.valueOf(lingeredAppPid)); 52 output = new OutputAnalyzer(pb.start()); 53 output.shouldHaveExitValue(0); 54 if (!Files.isDirectory(Paths.get("jtreg_classes"))) { 55 throw new RuntimeException("jtreg_classes directory not found"); 56 } 57 if (Files.notExists(Paths.get("jtreg_classes", "java", "lang", "Integer.class"))) { 58 throw new RuntimeException("jtreg_classes/java/lang/Integer.class not found"); 59 } 60 if (Files.notExists(Paths.get("jtreg_classes", "jdk", "test", "lib", "apps", "LingeredApp.class"))) { 61 throw new RuntimeException("jtreg_classes/jdk/test/lib/apps/LingeredApp.class not found"); 62 } 63 if (Files.notExists(Paths.get("jtreg_classes", "sun", "net", "util", "URLUtil.class"))) { 64 throw new RuntimeException("jtreg_classes/sun/net/util/URLUtil.class not found"); 65 } 66 67 pb = ProcessTools.createJavaProcessBuilder( 68 "-Dsun.jvm.hotspot.tools.jcore.outputDir=jtreg_classes2", 69 "-Dsun.jvm.hotspot.tools.jcore.PackageNameFilter.pkgList=jdk,sun", 70 "-m", "jdk.hotspot.agent/sun.jvm.hotspot.tools.jcore.ClassDump", String.valueOf(lingeredAppPid)); 71 output = new OutputAnalyzer(pb.start()); 72 output.shouldHaveExitValue(0); 73 if (Files.exists(Paths.get("jtreg_classes2", "java", "math", "BigInteger.class"))) { 74 throw new RuntimeException("jtreg_classes2/java/math/BigInteger.class not expected"); 75 } 76 if (Files.notExists(Paths.get("jtreg_classes2", "sun", "util", "calendar", "BaseCalendar.class"))) { 77 throw new RuntimeException("jtreg_classes2/sun/util/calendar/BaseCalendar.class not found"); 78 } 79 if (Files.notExists(Paths.get("jtreg_classes2", "jdk", "internal", "vm", "PostVMInitHook.class"))) { 80 throw new RuntimeException("jtreg_classes2/jdk/internal/vm/PostVMInitHook.class not found"); 81 } 82 } 83 84 public static void main(String[] args) throws Exception { 85 if (!Platform.shouldSAAttach()) { 86 // Silently skip the test if we don't have enough permissions to attach 87 System.out.println("SA attach not expected to work - test skipped."); 88 return; 89 } 90 91 LingeredApp theApp = null; 92 try { 93 theApp = LingeredApp.startApp(); 94 long pid = theApp.getPid(); 95 System.out.println("Started LingeredApp with pid " + pid); 96 dumpClass(pid); 97 } catch (Exception ex) { 98 throw new RuntimeException("Test ERROR " + ex, ex); 99 } finally { 100 LingeredApp.stopApp(theApp); 101 } 102 System.out.println("Test PASSED"); 103 } 104 }