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 /**

    26  * @test

    27  * @bug 8136421

    28  * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")

    29  * @library /test/lib /

    30  * @library ../common/patches

    31  * @modules java.base/jdk.internal.misc

    32  * @modules java.base/jdk.internal.org.objectweb.asm

    33  *          java.base/jdk.internal.org.objectweb.asm.tree

    34  *          jdk.vm.ci/jdk.vm.ci.hotspot

    35  *          jdk.vm.ci/jdk.vm.ci.code

    36  *          jdk.vm.ci/jdk.vm.ci.meta

    37  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper

    38  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

    39  *                   compiler.jvmci.compilerToVM.GetResolvedJavaMethodAtSlotTest

    40  */

    41 

    42 package compiler.jvmci.compilerToVM;

    43 

    44 import jdk.test.lib.Asserts;

    45 import jdk.vm.ci.hotspot.CompilerToVMHelper;

    46 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;

    47 

    48 import java.util.HashMap;

    49 import java.util.Map;

    50 

    51 public class GetResolvedJavaMethodAtSlotTest {

    52 

    53     private static class A {

    54         {

    55             System.out.println("Dummy");

    56         }

    57         public void f1() {}

    58         public int f2() { return 0; }

    59         public String f3() { return ""; }

    60     }

    61 

    62 

    63     private static class S {

    64         static {

    65             System.out.println("Dummy static");

    66         }

    67         public S() {}

    68         public void f1() {}

    69         public int f2() { return 0; }

    70         public String f3() { return ""; }

    71     }

    72 

    73     private class B extends A {

    74         public void f4() {}

    75     }

    76 

    77     private interface I {

    78         void f1();

    79         int f2();

    80         String f3();

    81     }

    82 

    83     public static void main(String[] args) {

    84         Map<Class<?>, Integer> testCases = getTestCases();

    85         testCases.forEach(GetResolvedJavaMethodAtSlotTest::test);

    86     }

    87 

    88     private static Map<Class<?>, Integer> getTestCases() {

    89         Map<Class<?>, Integer> testCases = new HashMap<>();

    90         testCases.put(A.class, 5); // ctor, init, f1, f2, f3

    91         testCases.put(S.class, 5); // ctor, cinit, f1, f2, f3

    92         testCases.put(I.class, 3); // f1, f2, f3

    93         testCases.put(B.class, 2); // ctor, f4

    94         return testCases;

    95     }

    96 

    97     private static void test(Class<?> aClass, int methodNumber) {

    98         testSlotBigger(aClass);

    99         testCorrectMethods(aClass, methodNumber);

   100     }

   101 

   102     private static void testSlotBigger(Class<?> holder) {

   103         HotSpotResolvedJavaMethod method

   104                 = CompilerToVMHelper.getResolvedJavaMethodAtSlot(holder, 50);

   105         Asserts.assertNull(method, "Got method for non existing slot 50 in "

   106                 + holder);

   107     }

   108 

   109     private static void testCorrectMethods(Class<?> holder, int methodsNumber) {

   110         for (int i = 0; i < methodsNumber; i++) {

   111             String caseName = String.format("slot %d in %s",

   112                     i, holder.getCanonicalName());

   113             HotSpotResolvedJavaMethod method = CompilerToVMHelper

   114                     .getResolvedJavaMethodAtSlot(holder, i);

   115             Asserts.assertNotNull(method, caseName + " did not got method");

   116             Asserts.assertEQ(holder,

   117                     CompilerToVMHelper.getMirror(method.getDeclaringClass()),

   118                     caseName + " : unexpected declaring class");

   119         }

   120     }

   121 }