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 DoubleTest
  26  * @bug 8028756
  27  * @library /testlibrary /../../test/lib
  28  * @build com.oracle.java.testlibrary.* DoubleTest
  29  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  30  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  31  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI DoubleTest
  32  * @summary testing of WB::set/getDoubleVMFlag()
  33  * @author igor.ignatyev@oracle.com
  34  */
  35 
  36 public class DoubleTest {
  37     private static final String FLAG_NAME = "CompileThresholdScaling";
  38     private static final Double[] TESTS = {0d, -0d, -1d, 1d,
  39             Double.MAX_VALUE, Double.MIN_VALUE, Double.NaN,
  40             Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY};
  41 
  42     public static void main(String[] args) throws Exception {
  43         VmFlagTest.runTest(FLAG_NAME, TESTS,
  44             VmFlagTest.WHITE_BOX::setDoubleVMFlag,
  45             VmFlagTest.WHITE_BOX::getDoubleVMFlag);
  46     }
  47 }
  48