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.arch == "x64" | vm.arch == "sparcv9" | vm.arch == "arm64")
  29  * @summary Testing compiler.jvmci.CompilerToVM.resolveTypeInPool method
  30  * @library /testlibrary /test/lib /
  31  * @library ../common/patches
  32  * @modules java.base/jdk.internal.misc
  33  *          java.base/jdk.internal.reflect
  34  *          java.base/jdk.internal.org.objectweb.asm
  35  *          jdk.vm.ci/jdk.vm.ci.hotspot
  36  *          jdk.vm.ci/jdk.vm.ci.meta
  37  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  38  * @build sun.hotspot.WhiteBox
  39  *        compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
  40  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  41  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  42  * @run main/othervm -Xbootclasspath/a:.
  43  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  44  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  45  *                   compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
  46  */
  47 
  48 package compiler.jvmci.compilerToVM;
  49 
  50 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
  51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
  52 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;
  53 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
  54 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
  55 import java.util.HashMap;
  56 import java.util.Map;
  57 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  58 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  59 import jdk.vm.ci.meta.ConstantPool;
  60 
  61 /**
  62  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveTypeInPool} method
  63  */
  64 public class ResolveTypeInPoolTest {
  65 
  66     public static void main(String[] args) throws Exception {
  67         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
  68         typeTests.put(CONSTANT_CLASS, ResolveTypeInPoolTest::validate);
  69         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
  70         testCase.test();
  71         // The next "Class.forName" and repeating "testCase.test()"
  72         // are here for the following reason.
  73         // The first test run is without dummy class initialization,
  74         // which means no constant pool cache exists.
  75         // The second run is with initialized class (with constant pool cache available).
  76         // Some CompilerToVM methods require different input
  77         // depending on whether CP cache exists or not.
  78         for (DummyClasses dummy : DummyClasses.values()) {
  79             Class.forName(dummy.klass.getName());
  80         }
  81         testCase.test();
  82     }
  83 
  84     public static void validate(ConstantPool constantPoolCTVM,
  85                                 ConstantTypes cpType,
  86                                 DummyClasses dummyClass,
  87                                 int i) {
  88         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i);
  89         if (entry == null) {
  90             return;
  91         }
  92         HotSpotResolvedObjectType typeToVerify = CompilerToVMHelper.resolveTypeInPool(constantPoolCTVM, i);
  93         String classNameToRefer = entry.klass;
  94         String outputToVerify = typeToVerify.toString();
  95         if (!outputToVerify.contains(classNameToRefer)) {
  96             String msg = String.format("Wrong class accessed by constant"
  97                                                + " pool index %d: %s, but should be %s",
  98                                        i,
  99                                        outputToVerify,
 100                                        classNameToRefer);
 101             throw new AssertionError(msg);
 102         }
 103     }
 104 }
--- EOF ---