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.
  22  */
  23 
  24 /**
  25  * Abstract class for testing of used compilation levels correctness.
  26  *
  27  * @author igor.ignatyev@oracle.com
  28  */
  29 public abstract class CompLevelsTest extends CompilerWhiteBoxTest {
  30     protected CompLevelsTest(TestCase testCase) {
  31         super(testCase);
  32         // to prevent inlining of #method
  33         WHITE_BOX.testSetDontInlineMethod(method, true);
  34     }
  35 
  36     /**
  37      * Checks that level is available.
  38      * @param compLevel level to check
  39      */
  40     protected void testAvailableLevel(int compLevel, int bci) {
  41         if (IS_VERBOSE) {
  42             System.out.printf("testAvailableLevel(level = %d, bci = %d)%n",
  43                     compLevel, bci);
  44         }
  45         WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
  46         checkCompiled();
  47         checkLevel(compLevel, getCompLevel());
  48         deoptimize();
  49     }
  50 
  51     /**
  52      * Checks that level is unavailable.
  53      * @param compLevel level to check
  54      */
  55     protected void testUnavailableLevel(int compLevel, int bci) {
  56         if (IS_VERBOSE) {
  57             System.out.printf("testUnavailableLevel(level = %d, bci = %d)%n",
  58                     compLevel, bci);
  59         }
  60         WHITE_BOX.enqueueMethodForCompilation(method, compLevel, bci);
  61         checkNotCompiled();
  62     }
  63 
  64     /**
  65      * Checks validity of compilation level.
  66      * @param expected expected level
  67      * @param actual actually level
  68      */
  69     protected void checkLevel(int expected, int actual) {
  70         if (expected != actual) {
  71             throw new RuntimeException("expected[" + expected + "] != actual["
  72                     + actual + "]");
  73         }
  74     }
  75 }