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 EnqueueMethodForCompilationTest
  26  * @bug 8006683 8007288 8022832
  27  * @library /testlibrary /testlibrary/whitebox
  28  * @build EnqueueMethodForCompilationTest
  29  * @run main/othervm/bootclasspath/timeout=600 -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* EnqueueMethodForCompilationTest
  30  * @summary testing of WB::enqueueMethodForCompilation()
  31  * @author igor.ignatyev@oracle.com
  32  */
  33 public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
  34 
  35     public static void main(String[] args) throws Exception {
  36         CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
  37     }
  38 
  39     private EnqueueMethodForCompilationTest(TestCase testCase) {
  40         super(testCase);
  41         // to prevent inlining of #method
  42         WHITE_BOX.testSetDontInlineMethod(method, true);
  43     }
  44 
  45     @Override
  46     protected void test() throws Exception {
  47         checkNotCompiled();
  48 
  49         // method can not be compiled on level 'none'
  50         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
  51         if (isCompilable(COMP_LEVEL_NONE)) {
  52             throw new RuntimeException(method
  53                     + " is compilable at level COMP_LEVEL_NONE");
  54         }
  55         checkNotCompiled();
  56 
  57         // COMP_LEVEL_ANY is inapplicable as level for compilation
  58         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
  59         checkNotCompiled();
  60 
  61         // not existing comp level
  62         WHITE_BOX.enqueueMethodForCompilation(method, 42);
  63         checkNotCompiled();
  64 
  65         compile();
  66         checkCompiled();
  67 
  68         int compLevel = getCompLevel();
  69         int bci = WHITE_BOX.getMethodEntryBci(method);
  70         deoptimize();
  71         checkNotCompiled();
  72         WHITE_BOX.clearMethodState(method);
  73 
  74         WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
  75         checkCompiled();
  76         deoptimize();
  77         checkNotCompiled();
  78 
  79         compile();
  80         checkCompiled();
  81         deoptimize();
  82         checkNotCompiled();
  83     }
  84 }