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comparison test/runtime/memory/ReadFromNoaccessArea.java @ 13053:9d8b29a0548c

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8027237: New tests on ReservedSpace/VirtualSpace classes Summary: Three tests added: 1) test stressing VirtualSpace by resizing it constantly 2) test running unit tests in several threads 3) test checking protected area in ReservedHeapSpace class Reviewed-by: stefank, zgu Contributed-by: aleksey.timofeev@oracle.com
author mgerdin
date Fri, 08 Nov 2013 16:48:21 +0100
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children e567d5afd4dd
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13041:04df110c8655 13053:9d8b29a0548c
1 /*
2 * Copyright (c) 2013, 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 * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
27 * @library /testlibrary /testlibrary/whitebox
28 * @build ReadFromNoaccessArea
29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
30 * @run main ReadFromNoaccessArea
31 */
32
33 import com.oracle.java.testlibrary.*;
34 import sun.hotspot.WhiteBox;
35
36 public class ReadFromNoaccessArea {
37
38 public static void main(String args[]) throws Exception {
39 if (!Platform.is64bit()) {
40 System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");
41 return;
42 }
43
44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
45 "-Xbootclasspath/a:.",
46 "-XX:+UnlockDiagnosticVMOptions",
47 "-XX:+WhiteBoxAPI",
48 "-XX:+UseCompressedOops",
49 "-XX:HeapBaseMinAddress=33G",
50 DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
51
52 OutputAnalyzer output = new OutputAnalyzer(pb.start());
53 System.out.println("******* Printing stdout for analysis in case of failure *******");
54 System.out.println(output.getStdout());
55 System.out.println("******* Printing stderr for analysis in case of failure *******");
56 System.out.println(output.getStderr());
57 System.out.println("***************************************************************");
58 if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
59 // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test.
60 return;
61 }
62 if (Platform.isWindows()) {
63 output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
64 } else if (Platform.isOSX()) {
65 output.shouldContain("SIGBUS");
66 } else {
67 output.shouldContain("SIGSEGV");
68 }
69 }
70
71 public static class DummyClassWithMainTryingToReadFromNoaccessArea {
72
73 // This method calls whitebox method reading from noaccess area
74 public static void main(String args[]) throws Exception {
75 WhiteBox.getWhiteBox().readFromNoaccessArea();
76 throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed.");
77 }
78 }
79
80 }