1 /*
   2  * Copyright (c) 2015, 2019, 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 vm.jvmci & vm.compMode == "Xmixed"
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  * @modules java.base/jdk.internal.org.objectweb.asm
  32  *          java.base/jdk.internal.org.objectweb.asm.tree
  33  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
  34  *          jdk.internal.vm.ci/jdk.vm.ci.code
  35  *
  36  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper sun.hotspot.WhiteBox
  37  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  38  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  39  * @run main/othervm -Xbootclasspath/a:.
  40  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  41  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:+UseJVMCICompiler
  42  *                   compiler.jvmci.compilerToVM.IsCompilableTest
  43  * @run main/othervm -Xbootclasspath/a:.
  44  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  45  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler
  46  *                   compiler.jvmci.compilerToVM.IsCompilableTest
  47  */
  48 
  49 package compiler.jvmci.compilerToVM;
  50 
  51 import compiler.jvmci.common.CTVMUtilities;
  52 import jdk.test.lib.Asserts;
  53 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  54 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  55 import sun.hotspot.WhiteBox;
  56 
  57 import java.lang.reflect.Executable;
  58 import java.util.ArrayList;
  59 import java.util.Arrays;
  60 import java.util.List;
  61 
  62 public class IsCompilableTest {
  63 
  64     private static final WhiteBox WB = WhiteBox.getWhiteBox();
  65 
  66     public static void main(String[] args) {
  67         List<Executable> testCases = createTestCases();
  68         testCases.forEach(IsCompilableTest::runSanityTest);
  69     }
  70 
  71     private static void runSanityTest(Executable aMethod) {
  72         HotSpotResolvedJavaMethod method = CTVMUtilities
  73                 .getResolvedMethod(aMethod);
  74         boolean isCompilable = CompilerToVMHelper.isCompilable(method);
  75         boolean expected = WB.isMethodCompilable(aMethod);
  76         Asserts.assertEQ(isCompilable, expected, "Unexpected initial " +
  77                 "value of property 'compilable'");
  78 
  79         WB.makeMethodNotCompilable(aMethod);
  80         isCompilable = CompilerToVMHelper.isCompilable(method);
  81         Asserts.assertFalse(isCompilable, aMethod + "Unexpected value of " +
  82             "property 'isCompilable' after setting 'compilable' to false");
  83     }
  84 
  85     private static List<Executable> createTestCases() {
  86         List<Executable> testCases = new ArrayList<>();
  87 
  88         Class<?> aClass = DummyClass.class;
  89         testCases.addAll(Arrays.asList(aClass.getDeclaredMethods()));
  90         testCases.addAll(Arrays.asList(aClass.getDeclaredConstructors()));
  91         return testCases;
  92     }
  93 }