1 /*

     2  * Copyright (c) 2014, 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 8058818

    27  * @library /testlibrary

    28  * @build UnsafeMallocLimit2

    29  * @run main/othervm -Xmx32m -XX:NativeMemoryTracking=off UnsafeMallocLimit2

    30  */

    31 

    32 import com.oracle.java.testlibrary.*;

    33 import sun.misc.Unsafe;

    34 

    35 public class UnsafeMallocLimit2 {

    36 

    37     public static void main(String args[]) throws Exception {

    38         if (Platform.is32bit()) {

    39             Unsafe unsafe = Utils.getUnsafe();

    40             try {

    41                 // Allocate greater than MALLOC_MAX and likely won't fail to allocate,

    42                 // so it hits the NMT code that asserted.

    43                 // Test that this doesn't cause an assertion with NMT off.

    44                 // The option above overrides if all the tests are run with NMT on.

    45                 unsafe.allocateMemory(0x40000000);

    46                 System.out.println("Allocation succeeded");

    47             } catch (OutOfMemoryError e) {

    48                 System.out.println("Allocation failed");

    49             }

    50         } else {

    51             System.out.println("Test only valid on 32-bit platforms");

    52         }

    53     }

    54 }