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 import compiler.whitebox.CompilerWhiteBoxTest;
  25 
  26 /*
  27  * @test DeoptimizeMethodTest
  28  * @bug 8006683 8007288 8022832
  29  * @library /testlibrary /test/lib /
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.management
  32  * @build DeoptimizeMethodTest
  33  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  34  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  35  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:-UseCounterDecay -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCaseHelper::* DeoptimizeMethodTest
  36  * @summary testing of WB::deoptimizeMethod()
  37  * @author igor.ignatyev@oracle.com
  38  */
  39 public class DeoptimizeMethodTest extends CompilerWhiteBoxTest {
  40 
  41     public static void main(String[] args) throws Exception {
  42         CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args);
  43     }
  44 
  45     private DeoptimizeMethodTest(TestCase testCase) {
  46         super(testCase);
  47         // to prevent inlining of #method
  48         WHITE_BOX.testSetDontInlineMethod(method, true);
  49     }
  50 
  51     /**
  52      * Tests {@code WB::deoptimizeMethod()} by calling it after
  53      * compilation and checking that method isn't compiled.
  54      *
  55      * @throws Exception if one of the checks fails.
  56      */
  57     @Override
  58     protected void test() throws Exception {
  59         if (skipXcompOSR()) {
  60             return;
  61         }
  62         compile();
  63         checkCompiled();
  64         deoptimize();
  65         checkNotCompiled();
  66     }
  67 }