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 import java.util.function.IntPredicate;
  25 
  26 /**
  27  * @test NonTieredLevelsTest
  28  * @library /testlibrary /testlibrary/whitebox /compiler/whitebox

  29  * @build NonTieredLevelsTest
  30  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  31  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  32  * @run main/othervm -Xbootclasspath/a:. -XX:-TieredCompilation
  33  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  34  *                   -XX:CompileCommand=compileonly,SimpleTestCase$Helper::*
  35  *                   NonTieredLevelsTest
  36  * @summary Verify that only one level can be used
  37  * @author igor.ignatyev@oracle.com
  38  */
  39 public class NonTieredLevelsTest extends CompLevelsTest {
  40     private static final int AVAILABLE_COMP_LEVEL;
  41     private static final IntPredicate IS_AVAILABLE_COMPLEVEL;
  42     static {
  43         String vmName = System.getProperty("java.vm.name");
  44         if (vmName.endsWith(" Server VM")) {
  45             AVAILABLE_COMP_LEVEL = COMP_LEVEL_FULL_OPTIMIZATION;
  46             IS_AVAILABLE_COMPLEVEL = x -> x == COMP_LEVEL_FULL_OPTIMIZATION;
  47         } else if (vmName.endsWith(" Client VM")
  48                 || vmName.endsWith(" Minimal VM")) {
  49             AVAILABLE_COMP_LEVEL = COMP_LEVEL_SIMPLE;
  50             IS_AVAILABLE_COMPLEVEL = x -> x >= COMP_LEVEL_SIMPLE
  51                     && x <= COMP_LEVEL_FULL_PROFILE;
  52         } else {
  53             throw new RuntimeException("Unknown VM: " + vmName);
  54         }
  55 
  56     }
  57     public static void main(String[] args) throws Exception {
  58         if (TIERED_COMPILATION) {
  59             System.err.println("Test isn't applicable w/ enabled "
  60                     + "TieredCompilation. Skip test.");
  61             return;
  62         }
  63         CompilerWhiteBoxTest.main(NonTieredLevelsTest::new, args);
  64     }
  65 
  66     private NonTieredLevelsTest(TestCase testCase) {
  67         super(testCase);
  68         // to prevent inlining of #method
  69         WHITE_BOX.testSetDontInlineMethod(method, true);
  70     }
  71 
  72     @Override
  73     protected void test() throws Exception {
  74         if (skipXcompOSR()) {
  75           return;
  76         }
  77         checkNotCompiled();
  78         compile();
  79         checkCompiled();
  80 
  81         int compLevel = getCompLevel();
  82         checkLevel(AVAILABLE_COMP_LEVEL, compLevel);
  83         int bci = WHITE_BOX.getMethodEntryBci(method);
  84         deoptimize();
  85         if (!testCase.isOsr()) {
  86             for (int level = 1; level <= COMP_LEVEL_MAX; ++level) {
  87                 if (IS_AVAILABLE_COMPLEVEL.test(level)) {
  88                     testAvailableLevel(level, bci);
  89                 } else {
  90                     testUnavailableLevel(level, bci);
  91                 }
  92             }
  93         } else {
  94             System.out.println("skip other levels testing in OSR");
  95             testAvailableLevel(AVAILABLE_COMP_LEVEL, bci);
  96         }
  97     }
  98 }
  99 
--- EOF ---