1 /*
   2  * Copyright (c) 2015, 2016, 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
  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  *          jdk.internal.vm.ci/jdk.vm.ci.meta
  36  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  37  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  38  *                   compiler.jvmci.compilerToVM.AsResolvedJavaMethodTest
  39  */
  40 
  41 package compiler.jvmci.compilerToVM;
  42 
  43 import jdk.test.lib.Asserts;
  44 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  45 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  46 
  47 import java.lang.reflect.Executable;
  48 import java.util.Arrays;
  49 import java.util.ArrayList;
  50 import java.util.List;
  51 
  52 public class AsResolvedJavaMethodTest {
  53 
  54     private static class A {
  55         {
  56             System.out.println("Dummy");
  57         }
  58         public void f1() {}
  59         public int f2() { return 0; }
  60         public String f3() { return ""; }
  61     }
  62 
  63 
  64     private static class S {
  65         static {
  66             System.out.println("Dummy static");
  67         }
  68         public S() {}
  69         public void f1() {}
  70         public int f2() { return 0; }
  71         public String f3() { return ""; }
  72     }
  73 
  74     private class B extends A {
  75         public void f4() {}
  76     }
  77 
  78     private interface I {
  79         void f1();
  80         int f2();
  81         String f3();
  82     }
  83 
  84     public static void main(String[] args) {
  85         List<Class<?>> testCases = getTestCases();
  86         testCases.forEach(AsResolvedJavaMethodTest::test);
  87     }
  88 
  89     private static List<Class<?>> getTestCases() {
  90         List<Class<?>> testCases = new ArrayList<>();
  91         testCases.add(A.class);
  92         testCases.add(S.class);
  93         testCases.add(I.class);
  94         testCases.add(B.class);
  95         return testCases;
  96     }
  97 
  98     private static void test(Class<?> aClass) {
  99         testCorrectMethods(aClass);
 100     }
 101 
 102     private static void testCorrectMethods(Class<?> holder) {
 103         List<Executable> executables = new ArrayList<>();
 104         executables.addAll(Arrays.asList(holder.getDeclaredMethods()));
 105         executables.addAll(Arrays.asList(holder.getDeclaredConstructors()));
 106         for (Executable executable : executables) {
 107             HotSpotResolvedJavaMethod method = CompilerToVMHelper
 108                     .asResolvedJavaMethod(executable);
 109             Asserts.assertNotNull(method, "could not convert " + method);
 110         }
 111     }
 112 }