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 EnqueueMethodForCompilationTest
  28  * @bug 8006683 8007288 8022832
  29  * @library /testlibrary /../../test/lib /
  30  * @modules java.management
  31  * @build EnqueueMethodForCompilationTest
  32  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  33  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  34  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,compiler.whitebox.SimpleTestCase$Helper::* EnqueueMethodForCompilationTest
  35  * @summary testing of WB::enqueueMethodForCompilation()
  36  * @author igor.ignatyev@oracle.com
  37  */
  38 public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
  39 
  40     public static void main(String[] args) throws Exception {
  41         CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
  42     }
  43 
  44     private EnqueueMethodForCompilationTest(TestCase testCase) {
  45         super(testCase);
  46         // to prevent inlining of #method
  47         WHITE_BOX.testSetDontInlineMethod(method, true);
  48     }
  49 
  50     @Override
  51     protected void test() throws Exception {
  52         checkNotCompiled();
  53 
  54         // method can not be compiled on level 'none'
  55         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
  56         if (isCompilable(COMP_LEVEL_NONE)) {
  57             throw new RuntimeException(method
  58                     + " is compilable at level COMP_LEVEL_NONE");
  59         }
  60         checkNotCompiled();
  61 
  62         // COMP_LEVEL_ANY is inapplicable as level for compilation
  63         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
  64         checkNotCompiled();
  65 
  66         // not existing comp level
  67         WHITE_BOX.enqueueMethodForCompilation(method, 42);
  68         checkNotCompiled();
  69 
  70         compile();
  71         checkCompiled();
  72 
  73         int compLevel = getCompLevel();
  74         int bci = WHITE_BOX.getMethodEntryBci(method);
  75         deoptimize();
  76         checkNotCompiled();
  77         WHITE_BOX.clearMethodState(method);
  78 
  79         WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
  80         checkCompiled();
  81         deoptimize();
  82         checkNotCompiled();
  83 
  84         compile();
  85         checkCompiled();
  86         deoptimize();
  87         checkNotCompiled();
  88     }
  89 }