1 /*
2  * Copyright (c) 2016, 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
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22  */
23 
24 import com.sun.jdi.connect.*;
25 import com.sun.jdi.*;
26 import java.util.Map;
27 import java.util.List;
28 import jdk.test.lib.Asserts;
29 
30 /*
31  * @test
32  * @summary Verifies that PathSearchingVirtualMachine.bootClassPath()
33  *          returns an empty list in case no bootclass path specified
34  *          regardless of sun.boot.class.path option, which is now obsolete
35  * @library /test/lib
36  * @compile TestClass.java
37  * @compile SunBootClassPathEmptyTest.java
38  * @run main/othervm SunBootClassPathEmptyTest
39  */
40 public class SunBootClassPathEmptyTest {
41 
42     /**
43      * Helper class to facilitate the debuggee VM launching
44      */
45     private static class VmConnector {
46 
47         LaunchingConnector lc;
48         VirtualMachine vm;
49 
VmConnector()50         VmConnector() {
51             for (LaunchingConnector c : Bootstrap.virtualMachineManager().launchingConnectors()) {
52                 System.out.println("name: " + c.name());
53                 if (c.name().equals("com.sun.jdi.CommandLineLaunch")) {
54                     lc = c;
55                     break;
56                 }
57             }
58             if (lc == null) {
59                 throw new RuntimeException("Connector not found");
60             }
61         }
62 
launchVm(String cmdLine, String options)63         PathSearchingVirtualMachine launchVm(String cmdLine, String options) throws Exception {
64             Map<String, Connector.Argument> vmArgs = lc.defaultArguments();
65             vmArgs.get("main").setValue(cmdLine);
66             if (options != null) {
67                 vmArgs.get("options").setValue(options);
68             }
69             System.out.println("Debugger is launching vm ...");
70             vm = lc.launch(vmArgs);
71             if (!(vm instanceof PathSearchingVirtualMachine)) {
72                 throw new RuntimeException("VM is not a PathSearchingVirtualMachine");
73             }
74             return (PathSearchingVirtualMachine) vm;
75         }
76 
77     }
78 
79     private static VmConnector connector = new VmConnector();
80 
main(String[] args)81     public static void main(String[] args) throws Exception {
82         testWithObsoleteClassPathOption(null);
83         testWithObsoleteClassPathOption("someclasspath");
84     }
85 
testWithObsoleteClassPathOption(String obsoleteClassPath)86     private static void testWithObsoleteClassPathOption(String obsoleteClassPath) throws Exception {
87         PathSearchingVirtualMachine vm = connector.launchVm("TestClass", makeClassPathOptions(obsoleteClassPath));
88         List<String> bootClassPath = vm.bootClassPath();
89         Asserts.assertNotNull(bootClassPath, "Expected bootClassPath to be empty but was null");
90         Asserts.assertEquals(0, bootClassPath.size(), "Expected bootClassPath.size() 0 but was: " + bootClassPath.size());
91     }
92 
makeClassPathOptions(String obsoleteClassPath)93     private static String makeClassPathOptions(String obsoleteClassPath) {
94         return obsoleteClassPath == null ? null : "-Dsun.boot.class.path=" + obsoleteClassPath;
95     }
96 
97 }
98