1 /*
   2  * Copyright (c) 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 /*
  25  * @test
  26  * @bug 8136421
  27  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
  28  * @library / /testlibrary /test/lib
  29  * @library ../common/patches
  30  * @modules jdk.vm.ci/jdk.vm.ci.hotspot
  31  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @build compiler.jvmci.compilerToVM.IsMatureTest
  33  * @build sun.hotspot.WhiteBox
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  * @run main/othervm -Xbootclasspath/a:.
  37  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  38  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  39  *                   compiler.jvmci.compilerToVM.IsMatureTest
  40  */
  41 
  42 package compiler.jvmci.compilerToVM;
  43 
  44 import compiler.jvmci.common.testcases.SimpleClass;
  45 import compiler.whitebox.CompilerWhiteBoxTest;
  46 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  47 import jdk.test.lib.Asserts;
  48 import sun.hotspot.WhiteBox;
  49 
  50 import java.lang.reflect.Executable;
  51 
  52 public class IsMatureTest {
  53     private static final WhiteBox WB = WhiteBox.getWhiteBox();
  54     private static final boolean IS_XCOMP
  55             = System.getProperty("java.vm.info").contains("compiled mode");
  56     private static final boolean TIERED
  57             = WB.getBooleanVMFlag("TieredCompilation");
  58 
  59     public static void main(String[] args) throws Exception {
  60         new IsMatureTest().test();
  61     }
  62 
  63     public void test() throws Exception {
  64         SimpleClass sclass = new SimpleClass();
  65         Executable method = SimpleClass.class.getDeclaredMethod("testMethod");
  66         long methodData = WB.getMethodData(method);
  67         boolean isMature = CompilerToVMHelper.isMature(methodData);
  68         Asserts.assertEQ(methodData, 0L,
  69                 "Never invoked method can't have method data");
  70         Asserts.assertFalse(isMature, "Never invoked method can't be mature");
  71         for (int i = 0; i < CompilerWhiteBoxTest.THRESHOLD; i++) {
  72             sclass.testMethod();
  73         }
  74         methodData = WB.getMethodData(method);
  75         isMature = CompilerToVMHelper.isMature(methodData);
  76         Asserts.assertNE(methodData, 0L,
  77                 "Multiple times invoked method should have method data");
  78         /* a method is not mature for -Xcomp and -Tiered,
  79            see NonTieredCompPolicy::is_mature */
  80         Asserts.assertEQ(isMature, !(IS_XCOMP && !TIERED),
  81                 "Unexpected isMature state for multiple times invoked method");
  82     }
  83 }