1 /*
   2  * Copyright (c) 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 8138708
  27  * @requires vm.jvmci
  28  * @library /test/lib /
  29  * @library ../common/patches
  30  * @modules java.base/jdk.internal.misc
  31  *          java.base/jdk.internal.reflect
  32  *          java.base/jdk.internal.org.objectweb.asm
  33  *          java.base/jdk.internal.org.objectweb.asm.tree
  34  *          jdk.internal.vm.ci/jdk.vm.ci.hotspot
  35  *          jdk.internal.vm.ci/jdk.vm.ci.runtime
  36  *          jdk.internal.vm.ci/jdk.vm.ci.meta
  37  *
  38  * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  39  * @build sun.hotspot.WhiteBox
  40  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  41  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  42  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  43  *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  44  *                   -Djvmci.Compiler=null
  45  *                   compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
  46  */
  47 
  48 package compiler.jvmci.compilerToVM;
  49 
  50 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
  51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
  52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
  53 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
  54 import jdk.test.lib.Asserts;
  55 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  56 import jdk.vm.ci.meta.ConstantPool;
  57 
  58 import java.util.HashMap;
  59 import java.util.Map;
  60 
  61 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF;
  62 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF;
  63 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INVOKEDYNAMIC;
  64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF;
  65 
  66 /**
  67  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupSignatureInPool} method
  68  */
  69 public class LookupSignatureInPoolTest {
  70 
  71     public static void main(String[] args) throws Exception {
  72         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
  73         typeTests.put(CONSTANT_METHODREF, LookupSignatureInPoolTest::validate);
  74         typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupSignatureInPoolTest::validate);
  75         typeTests.put(CONSTANT_FIELDREF, LookupSignatureInPoolTest::validate);
  76         typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupSignatureInPoolTest::validate);
  77         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
  78         testCase.test();
  79         // The next "Class.forName" and repeating "testCase.test()"
  80         // are here for the following reason.
  81         // The first test run is without dummy class initialization,
  82         // which means no constant pool cache exists.
  83         // The second run is with initialized class (with constant pool cache available).
  84         // Some CompilerToVM methods require different input
  85         // depending on whether CP cache exists or not.
  86         for (DummyClasses dummy : DummyClasses.values()) {
  87             Class.forName(dummy.klass.getName());
  88         }
  89         testCase.test();
  90     }
  91 
  92     private static void validate(ConstantPool constantPoolCTVM,
  93                                  ConstantTypes cpType,
  94                                  DummyClasses dummyClass,
  95                                  int cpi) {
  96         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
  97         if (entry == null) {
  98             return;
  99         }
 100         int index = cpi;
 101         String cached = "";
 102         int cpci = dummyClass.getCPCacheIndex(cpi);
 103         if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
 104             index = cpci;
 105             cached = "cached ";
 106         }
 107         String sigToVerify = CompilerToVMHelper.lookupSignatureInPool(constantPoolCTVM, index);
 108         String sigToRefer = entry.type;
 109         String msg = String.format("Wrong signature accessed by %sconstant pool index %d",
 110                                    cached,
 111                                    index);
 112         Asserts.assertEQ(sigToVerify, sigToRefer, msg);
 113     }
 114 }
--- EOF ---