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 DeoptimizeMethodTest
  26  * @bug 8006683 8007288 8022832
  27  * @summary testing of WB::deoptimizeMethod()
  28  * @library /testlibrary /test/lib /
  29  * @modules java.base/jdk.internal.misc
  30  *          java.management
  31  * @build compiler.whitebox.DeoptimizeMethodTest
  32  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  33  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  35  *                   -XX:+WhiteBoxAPI -XX:-UseCounterDecay
  36  *                   -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::*
  37  *                   compiler.whitebox.DeoptimizeMethodTest
  38  */
  39 
  40 package compiler.whitebox;
  41 
  42 public class DeoptimizeMethodTest extends CompilerWhiteBoxTest {
  43 
  44     public static void main(String[] args) throws Exception {
  45         CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args);
  46     }
  47 
  48     private DeoptimizeMethodTest(TestCase testCase) {
  49         super(testCase);
  50         // to prevent inlining of #method
  51         WHITE_BOX.testSetDontInlineMethod(method, true);
  52     }
  53 
  54     /**
  55      * Tests {@code WB::deoptimizeMethod()} by calling it after
  56      * compilation and checking that method isn't compiled.
  57      *
  58      * @throws Exception if one of the checks fails.
  59      */
  60     @Override
  61     protected void test() throws Exception {
  62         if (skipXcompOSR()) {
  63             return;
  64         }
  65         compile();
  66         checkCompiled();
  67         deoptimize();
  68         checkNotCompiled();
  69     }
  70 }