1 /*
   2  * Copyright (c) 2014, 2015, 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 UintxTest
  26  * @bug 8028756
  27  * @library /testlibrary /test/lib
  28  * @modules java.base/sun.misc
  29  *          java.management/sun.management
  30  * @build UintxTest
  31  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  32  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  33  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI UintxTest
  34  * @summary testing of WB::set/getUintxVMFlag()
  35  * @author igor.ignatyev@oracle.com
  36  */
  37 import jdk.test.lib.Platform;
  38 
  39 public class UintxTest {
  40     private static final String FLAG_NAME = "VerifyGCStartAt";
  41     private static final String FLAG_DEBUG_NAME = "CodeCacheMinimumUseSpace";
  42     private static final Long[] TESTS = {0L, 100L, (long) Integer.MAX_VALUE,
  43         (1L << 32L) - 1L, 1L << 32L};
  44     private static final Long[] EXPECTED_64 = TESTS;
  45     private static final Long[] EXPECTED_32 = {0L, 100L,
  46         (long) Integer.MAX_VALUE, (1L << 32L) - 1L, 0L};
  47 
  48     public static void main(String[] args) throws Exception {
  49         VmFlagTest.runTest(FLAG_NAME, TESTS,
  50             Platform.is64bit() ? EXPECTED_64 : EXPECTED_32,
  51             VmFlagTest.WHITE_BOX::setUintxVMFlag,
  52             VmFlagTest.WHITE_BOX::getUintxVMFlag);
  53         VmFlagTest.runTest(FLAG_DEBUG_NAME, VmFlagTest.WHITE_BOX::getUintxVMFlag);
  54     }
  55 }
  56