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 /**
  26  * @test
  27  * @bug 8136421
  28  * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"
  29  * @library /testlibrary /../../test/lib /
  30  * @compile ../common/CompilerToVMHelper.java
  31  * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper
  32  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  33  *      -Xbootclasspath/a:.
  34  *      compiler.jvmci.compilerToVM.GetResolvedJavaMethodAtSlotTest
  35  */
  36 
  37 package compiler.jvmci.compilerToVM;
  38 
  39 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
  40 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  41 import jdk.test.lib.Asserts;
  42 import java.util.HashMap;
  43 import java.util.Map;
  44 
  45 public class GetResolvedJavaMethodAtSlotTest {
  46 
  47     private static class A {
  48         {
  49             System.out.println("Dummy");
  50         }
  51         public void f1() {}
  52         public int f2() { return 0; }
  53         public String f3() { return ""; }
  54     }
  55 
  56 
  57     private static class S {
  58         static {
  59             System.out.println("Dummy static");
  60         }
  61         public S() {}
  62         public void f1() {}
  63         public int f2() { return 0; }
  64         public String f3() { return ""; }
  65     }
  66 
  67     private class B extends A {
  68         public void f4() {}
  69     }
  70 
  71     private interface I {
  72         void f1();
  73         int f2();
  74         String f3();
  75     }
  76 
  77     public static void main(String[] args) {
  78         Map<Class<?>, Integer> testCases = getTestCases();
  79         testCases.forEach(GetResolvedJavaMethodAtSlotTest::test);
  80     }
  81 
  82     private static Map<Class<?>, Integer> getTestCases() {
  83         Map<Class<?>, Integer> testCases = new HashMap<>();
  84         testCases.put(A.class, 5); // ctor, init, f1, f2, f3
  85         testCases.put(S.class, 5); // ctor, cinit, f1, f2, f3
  86         testCases.put(I.class, 3); // f1, f2, f3
  87         testCases.put(B.class, 2); // ctor, f4
  88         return testCases;
  89     }
  90 
  91     private static void test(Class<?> aClass, int methodNumber) {
  92         testSlotBigger(aClass);
  93         testCorrectMethods(aClass, methodNumber);
  94     }
  95 
  96     private static void testSlotBigger(Class<?> holder) {
  97         HotSpotResolvedJavaMethodImpl method
  98                 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(holder, 50);
  99         Asserts.assertNull(method, "Got method for non existing slot 50 in "
 100                 + holder);
 101     }
 102 
 103     private static void testCorrectMethods(Class<?> holder, int methodsNumber) {
 104         for (int i = 0; i < methodsNumber; i++) {
 105             HotSpotResolvedJavaMethodImpl method = CompilerToVMHelper
 106                     .getResolvedJavaMethodAtSlot(holder, i);
 107             Asserts.assertNotNull(method, "Did not got method for slot " + i
 108                     + " in class " + holder.getCanonicalName());
 109         }
 110     }
 111 }