test/runtime/memory/ReadVMPageSize.java

Mon, 06 Nov 2017 16:51:47 +0800

author
aoqi
date
Mon, 06 Nov 2017 16:51:47 +0800
changeset 7997
6cbff0651f1a
parent 7779
cc5c3ef1f03a
permissions
-rw-r--r--

[Code Reorganization] remove trailing whitespace to pass jcheck test

     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  */
    24 /*
    25  * @test
    26  * @summary Using WhiteBox to get VM page size
    27  * @library /testlibrary /testlibrary/whitebox
    28  * @build ReadVMPageSize
    29  * @run main ClassFileInstaller sun.hotspot.WhiteBox
    30  * @run main/othervm  -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI  ReadVMPageSize
    31  */
    33 import com.oracle.java.testlibrary.*;
    34 import sun.hotspot.WhiteBox;
    36 public class ReadVMPageSize {
    37   public static void main(String args[]) throws Exception {
    38     WhiteBox wb = WhiteBox.getWhiteBox();
    39     int pageSize = wb.getVMPageSize();
    40     if (pageSize < 0) {
    41       throw new Exception("pageSize < 0");
    42     } else {
    43       System.out.println("Page size = " + pageSize);
    44     }
    45   }
    46 }

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