test/runtime/memory/ReserveMemory.java

Thu, 17 Apr 2014 16:09:08 -0700

author
amurillo
date
Thu, 17 Apr 2014 16:09:08 -0700
changeset 6635
49b5160951dd
parent 5847
cc4f5f8d885e
child 6876
710a3c8b516e
permissions
-rw-r--r--

Added tag hs25.20-b11 for changeset b6a2ba7d3ea7

     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  */
    24 /*
    25  * @test
    26  * @key regression
    27  * @bug 8012015
    28  * @summary Make sure reserved (but uncommitted) memory is not accessible
    29  * @library /testlibrary /testlibrary/whitebox
    30  * @build ReserveMemory
    31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
    32  * @run main ReserveMemory
    33  */
    35 import com.oracle.java.testlibrary.*;
    37 import sun.hotspot.WhiteBox;
    39 public class ReserveMemory {
    40   private static boolean isWindows() {
    41     return System.getProperty("os.name").toLowerCase().startsWith("win");
    42   }
    44   private static boolean isOsx() {
    45     return System.getProperty("os.name").toLowerCase().startsWith("mac");
    46   }
    48   public static void main(String args[]) throws Exception {
    49     if (args.length > 0) {
    50       WhiteBox.getWhiteBox().readReservedMemory();
    52       throw new Exception("Read of reserved/uncommitted memory unexpectedly succeeded, expected crash!");
    53     }
    55     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
    56           "-Xbootclasspath/a:.",
    57           "-XX:+UnlockDiagnosticVMOptions",
    58           "-XX:+WhiteBoxAPI",
    59           "-XX:-TransmitErrorReport",
    60           "ReserveMemory",
    61           "test");
    63     OutputAnalyzer output = new OutputAnalyzer(pb.start());
    64     if (isWindows()) {
    65       output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
    66     } else if (isOsx()) {
    67       output.shouldContain("SIGBUS");
    68     } else {
    69       output.shouldContain("SIGSEGV");
    70     }
    71   }
    72 }

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