1 /*
   2  * Copyright (c) 2013, 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.
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  23 
  24 /*
  25  * @test EnqueueMethodForCompilationTest
  26  * @bug 8006683 8007288 8022832
  27  * @library /testlibrary /testlibrary/whitebox
  28  * @build EnqueueMethodForCompilationTest
  29  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  30  * @run main/othervm/timeout=600 -Xbootclasspath/a:. -Xmixed -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -XX:CompileCommand=compileonly,SimpleTestCase$Helper::* EnqueueMethodForCompilationTest
  31  * @summary testing of WB::enqueueMethodForCompilation()
  32  * @author igor.ignatyev@oracle.com
  33  */
  34 public class EnqueueMethodForCompilationTest extends CompilerWhiteBoxTest {
  35 
  36     public static void main(String[] args) throws Exception {
  37         CompilerWhiteBoxTest.main(EnqueueMethodForCompilationTest::new, args);
  38     }
  39 
  40     private EnqueueMethodForCompilationTest(TestCase testCase) {
  41         super(testCase);
  42         // to prevent inlining of #method
  43         WHITE_BOX.testSetDontInlineMethod(method, true);
  44     }
  45 
  46     @Override
  47     protected void test() throws Exception {
  48         checkNotCompiled();
  49 
  50         // method can not be compiled on level 'none'
  51         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_NONE);
  52         if (isCompilable(COMP_LEVEL_NONE)) {
  53             throw new RuntimeException(method
  54                     + " is compilable at level COMP_LEVEL_NONE");
  55         }
  56         checkNotCompiled();
  57 
  58         // COMP_LEVEL_ANY is inapplicable as level for compilation
  59         WHITE_BOX.enqueueMethodForCompilation(method, COMP_LEVEL_ANY);
  60         checkNotCompiled();
  61 
  62         // not existing comp level
  63         WHITE_BOX.enqueueMethodForCompilation(method, 42);
  64         checkNotCompiled();
  65 
  66         compile();
  67         checkCompiled();
  68 
  69         int compLevel = getCompLevel();
  70         int bci = WHITE_BOX.getMethodEntryBci(method);
  71         deoptimize();
  72         checkNotCompiled();
  73         WHITE_BOX.clearMethodState(method);
  74 
  75         WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
  76         checkCompiled();
  77         deoptimize();
  78         checkNotCompiled();
  79 
  80         compile();
  81         checkCompiled();
  82         deoptimize();
  83         checkNotCompiled();
  84     }
  85 }