1 /*
   2  * Copyright (c) 2013, 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
  26  * @bug 8026844
  27  * @summary Test decrementExact
  28  * @library /testlibrary /
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  *
  32  * @run main compiler.intrinsics.mathexact.DecExactITest
  33  */
  34 
  35 package compiler.intrinsics.mathexact;
  36 
  37 public class DecExactITest {
  38     public static int[] values = {1, 1, 1, 1};
  39     public static int[] minvalues = {Integer.MIN_VALUE, Integer.MIN_VALUE};
  40 
  41     public static void main(String[] args) {
  42         runTest(new Verify.DecExactI());
  43     }
  44 
  45     public static void runTest(Verify.UnaryMethod method) {
  46         for (int i = 0; i < 20000; ++i) {
  47             Verify.verifyUnary(Integer.MIN_VALUE, method);
  48             Verify.verifyUnary(minvalues[0], method);
  49             Verify.verifyUnary(Integer.MIN_VALUE - values[2], method);
  50             Verify.verifyUnary(0, method);
  51             Verify.verifyUnary(values[2], method);
  52             Verify.verifyUnary(Integer.MAX_VALUE, method);
  53             Verify.verifyUnary(Integer.MIN_VALUE - values[0] + values[3], method);
  54             Verify.verifyUnary(Integer.MIN_VALUE + 1 - values[0], method);
  55         }
  56     }
  57 }