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 /*
  26  * @test
  27  * @bug 8138708
  28  * @requires (vm.simpleArch == "x64" | vm.simpleArch == "sparcv9" | vm.simpleArch == "aarch64")
  29  * @library /testlibrary /test/lib /
  30  * @library ../common/patches
  31  * @modules java.base/jdk.internal.misc
  32  *          java.base/jdk.internal.reflect
  33  *          java.base/jdk.internal.org.objectweb.asm
  34  *          java.base/jdk.internal.org.objectweb.asm.tree
  35  *          jdk.vm.ci/jdk.vm.ci.hotspot
  36  *          jdk.vm.ci/jdk.vm.ci.runtime
  37  *          jdk.vm.ci/jdk.vm.ci.meta
  38  *
  39  * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper
  40  * @build sun.hotspot.WhiteBox
  41  *        compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
  42  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  43  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  44  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  45  *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  46  *                   compiler.jvmci.compilerToVM.LookupSignatureInPoolTest
  47  */
  48 
  49 package compiler.jvmci.compilerToVM;
  50 
  51 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;
  52 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;
  53 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;
  54 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
  55 import jdk.test.lib.Asserts;
  56 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  57 import jdk.vm.ci.meta.ConstantPool;
  58 
  59 import java.util.HashMap;
  60 import java.util.Map;
  61 
  62 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_FIELDREF;
  63 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INTERFACEMETHODREF;
  64 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_INVOKEDYNAMIC;
  65 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.CONSTANT_METHODREF;
  66 
  67 /**
  68  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupSignatureInPool} method
  69  */
  70 public class LookupSignatureInPoolTest {
  71 
  72     public static void main(String[] args) throws Exception {
  73         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
  74         typeTests.put(CONSTANT_METHODREF, LookupSignatureInPoolTest::validate);
  75         typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupSignatureInPoolTest::validate);
  76         typeTests.put(CONSTANT_FIELDREF, LookupSignatureInPoolTest::validate);
  77         typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupSignatureInPoolTest::validate);
  78         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
  79         testCase.test();
  80         // The next "Class.forName" and repeating "testCase.test()"
  81         // are here for the following reason.
  82         // The first test run is without dummy class initialization,
  83         // which means no constant pool cache exists.
  84         // The second run is with initialized class (with constant pool cache available).
  85         // Some CompilerToVM methods require different input
  86         // depending on whether CP cache exists or not.
  87         for (DummyClasses dummy : DummyClasses.values()) {
  88             Class.forName(dummy.klass.getName());
  89         }
  90         testCase.test();
  91     }
  92 
  93     private static void validate(ConstantPool constantPoolCTVM,
  94                                  ConstantTypes cpType,
  95                                  DummyClasses dummyClass,
  96                                  int cpi) {
  97         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);
  98         if (entry == null) {
  99             return;
 100         }
 101         int index = cpi;
 102         String cached = "";
 103         int cpci = dummyClass.getCPCacheIndex(cpi);
 104         if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {
 105             index = cpci;
 106             cached = "cached ";
 107         }
 108         String sigToVerify = CompilerToVMHelper.lookupSignatureInPool(constantPoolCTVM, index);
 109         String sigToRefer = entry.type;
 110         String msg = String.format("Wrong signature accessed by %sconstant pool index %d",
 111                                    cached,
 112                                    index);
 113         Asserts.assertEQ(sigToVerify, sigToRefer, msg);
 114     }
 115 }