1 /*
   2  * Copyright (c) 2005, 2015 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.File;
  25 import jdk.testlibrary.OutputAnalyzer;
  26 import jdk.testlibrary.JDKToolLauncher;
  27 import jdk.testlibrary.ProcessTools;
  28 import com.sun.tools.attach.VirtualMachine;
  29 import com.sun.tools.attach.spi.AttachProvider;
  30 
  31 /*
  32  * @test
  33  * @bug 6173612 6273707 6277253 6335921 6348630 6342019 6381757
  34  * @summary Basic unit tests for the VM attach mechanism. The test will attach
  35  * and detach to/from the running Application.
  36  *
  37  * @library /lib/testlibrary
  38  * @modules java.management
  39  *          jdk.attach
  40  *          jdk.jartool/sun.tools.jar
  41  *
  42  * @run build jdk.testlibrary.* SimpleProvider
  43  * @run main ProviderTest
  44  */
  45 public class ProviderTest {
  46 
  47     /*
  48      * The actual tests are in the nested class TestMain below.
  49      * The responsibility of this class is to:
  50      * 1. Build the needed jar.
  51      * 2. Run tests in ProviderTest.TestMain.
  52      */
  53     public static void main(String args[]) throws Throwable {
  54         try {
  55             buildJar();
  56             runTests();
  57         } catch (Throwable t) {
  58             System.out.println("TestProvider got unexpected exception: " + t);
  59             t.printStackTrace();
  60             throw t;
  61         }
  62     }
  63 
  64     /**
  65      * Runs the actual tests in the nested class TestMain.
  66      * We need to run the tests in a separate process,
  67      * because we need to add to the classpath.
  68      */
  69     private static void runTests() throws Throwable {
  70         final String sep = File.separator;
  71         String testClassPath = System.getProperty("test.class.path", "");
  72         String testClasses = System.getProperty("test.classes", "") + sep;
  73         String jdkLib = System.getProperty("test.jdk", ".") + sep + "lib" + sep;
  74 
  75         // Need to add SimpleProvider.jar to classpath.
  76         String classpath =
  77                 testClassPath + File.pathSeparator +
  78                 testClasses + "SimpleProvider.jar";
  79 
  80         String[] args = {
  81                 "-classpath",
  82                 classpath,
  83                 "ProviderTest$TestMain" };
  84         OutputAnalyzer output = ProcessTools.executeTestJvm(args);
  85         output.shouldHaveExitValue(0);
  86     }
  87 
  88     /**
  89      * Will build the SimpleProvider.jar.
  90      */
  91     private static void buildJar() throws Throwable {
  92         final String sep = File.separator;
  93         String testClasses = System.getProperty("test.classes", "?") + sep;
  94         String testSrc = System.getProperty("test.src", "?") + sep;
  95         String serviceDir = "META-INF" + sep + "services" + sep;
  96 
  97         RunnerUtil.createJar(
  98             "-cf", testClasses + "SimpleProvider.jar",
  99             "-C", testClasses, "SimpleProvider.class",
 100             "-C", testClasses, "SimpleVirtualMachine.class",
 101             "-C", testSrc,
 102             serviceDir + "com.sun.tools.attach.spi.AttachProvider");
 103     }
 104 
 105     /**
 106      * This is the actual test code that attaches to the running Application.
 107      * This class is run in a separate process.
 108      */
 109     public static class TestMain {
 110         public static void main(String args[]) throws Exception {
 111             // deal with internal builds where classes are loaded from the
 112             // 'classes' directory rather than rt.jar
 113             ClassLoader cl = AttachProvider.class.getClassLoader();
 114             if (cl != ClassLoader.getSystemClassLoader()) {
 115                 System.out.println("Attach API not loaded by system class loader - test skipped");
 116                 return;
 117             }
 118             VirtualMachine.attach("simple:1234").detach();
 119         }
 120     }
 121 }