1 /*
   2  * Copyright (c) 2013, 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 DeoptimizeMethodTest
  26  * @bug 8006683 8007288 8022832
  27  * @library /testlibrary /testlibrary/whitebox
  28  * @build DeoptimizeMethodTest
  29  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  30  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  31  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* DeoptimizeMethodTest
  32  * @summary testing of WB::deoptimizeMethod()
  33  * @author igor.ignatyev@oracle.com
  34  */
  35 public class DeoptimizeMethodTest extends CompilerWhiteBoxTest {
  36 
  37     public static void main(String[] args) throws Exception {
  38         CompilerWhiteBoxTest.main(DeoptimizeMethodTest::new, args);
  39     }
  40 
  41     private DeoptimizeMethodTest(TestCase testCase) {
  42         super(testCase);
  43         // to prevent inlining of #method
  44         WHITE_BOX.testSetDontInlineMethod(method, true);
  45     }
  46 
  47     /**
  48      * Tests {@code WB::deoptimizeMethod()} by calling it after
  49      * compilation and checking that method isn't compiled.
  50      *
  51      * @throws Exception if one of the checks fails.
  52      */
  53     @Override
  54     protected void test() throws Exception {
  55         if (skipXcompOSR()) {
  56             return;
  57         }
  58         compile();
  59         checkCompiled();
  60         deoptimize();
  61         checkNotCompiled();
  62     }
  63 }