1 /*
   2  * Copyright (c) 2000, 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 /**
  25  *  @test
  26  *  @bug 4329140
  27  *  @author Robert Field
  28  *
  29  *  @modules jdk.jdi
  30  *  @run build TestScaffold VMConnection TargetListener TargetAdapter
  31  *  @run compile -g InstTarg.java
  32  *  @run driver ConnectedVMs Kill
  33  *  @run driver ConnectedVMs Resume-to-exit
  34  *  @run driver ConnectedVMs dispose()
  35  *  @run driver ConnectedVMs exit()
  36  *
  37  * @summary ConnectedVMs checks the method
  38  * VirtualMachineManager.connectedVirtualMachines()
  39  */
  40 import com.sun.jdi.*;
  41 import com.sun.jdi.event.*;
  42 import com.sun.jdi.request.*;
  43 import java.util.List;
  44 
  45 public class ConnectedVMs extends TestScaffold {
  46     static int failCount = 0;;
  47     static String passName;
  48 
  49     public static void main(String args[]) throws Exception {
  50         new ConnectedVMs(args[0]).startTests();
  51         if (failCount > 0) {
  52             throw new RuntimeException(
  53              "VirtualMachineManager.connectedVirtualMachines() " +
  54              failCount + " tests failed");
  55         } else {
  56             System.out.println(
  57           "VirtualMachineManager.connectedVirtualMachines() tests passed");
  58         }
  59     }
  60 
  61     ConnectedVMs(String name) throws Exception {
  62         super(new String[0]);
  63         passName = name;
  64         System.out.println("create " + passName);
  65     }
  66 
  67     void vms(int expected) {
  68         List vms = Bootstrap.virtualMachineManager().
  69             connectedVirtualMachines();
  70         if (vms.size() != expected) {
  71             System.out.println("FAILURE! " + passName +
  72                                " - expected: " + expected +
  73                                ", got: " + vms.size());
  74             ++failCount;
  75         }
  76     }
  77 
  78     protected void runTests() throws Exception {
  79         System.out.println("Testing " + passName);
  80         vms(0);
  81         startToMain("InstTarg");
  82         ThreadReference thread = waitForVMStart();
  83         StepEvent stepEvent = stepIntoLine(thread);
  84         vms(1);
  85 
  86         // pick a way to die based on the input arg.
  87         if (passName.equals("Kill")) {
  88             vm().process().destroy();
  89         } else if (passName.equals("Resume-to-exit")) {
  90             vm().resume();
  91         } else if (passName.equals("dispose()")) {
  92             vm().dispose();
  93         } else if (passName.equals("exit()")) {
  94             vm().exit(1);
  95         } else {
  96             throw new Exception("Unknown pass name");
  97         }
  98 
  99         resumeToVMDisconnect();
 100         vms(0);
 101     }
 102 }