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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
  29  * @summary Testing compiler.jvmci.CompilerToVM.resolveTypeInPool method
  30  * @library /testlibrary /test/lib /
  31  * @compile ../common/CompilerToVMHelper.java
  32  * @build sun.hotspot.WhiteBox
  33  *        compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
  34  * @run main ClassFileInstaller sun.hotspot.WhiteBox
  35  *                              sun.hotspot.WhiteBox$WhiteBoxPermission
  36  *                              jdk.vm.ci.hotspot.CompilerToVMHelper
  37  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
  38  *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions
  39  *                   -XX:+EnableJVMCI compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
  40  */
  41 
  42 package compiler.jvmci.compilerToVM;
  43 
  44 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;
  45 import java.util.HashMap;
  46 import java.util.Map;
  47 import jdk.vm.ci.hotspot.CompilerToVMHelper;
  48 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  49 import jdk.vm.ci.meta.ConstantPool;
  50 
  51 /**
  52  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveTypeInPool} method
  53  */
  54 public class ResolveTypeInPoolTest {
  55 
  56     public static void main(String[] args) throws Exception {
  57         Map<ConstantPoolTestCase.ConstantTypes, ConstantPoolTestCase.Validator> typeTests = new HashMap<>();
  58         typeTests.put(ConstantPoolTestCase.ConstantTypes.CONSTANT_CLASS,
  59                       ResolveTypeInPoolTest::validate);
  60         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
  61         testCase.test();
  62         // The next "Class.forName" and repeating "testCase.test()"
  63         // are here for the following reason.
  64         // The first test run is without dummy class initialization,
  65         // which means no constant pool cache exists.
  66         // The second run is with initialized class (with constant pool cache available).
  67         // Some CompilerToVM methods require different input
  68         // depending on whether CP cache exists or not.
  69         for (DummyClasses dummy : DummyClasses.values()) {
  70             Class.forName(dummy.klass.getName());
  71         }
  72         testCase.test();
  73     }
  74 
  75     public static void validate(ConstantPool constantPoolCTVM,
  76                                 ConstantPoolTestCase.ConstantTypes cpType,
  77                                 ConstantPoolTestsHelper.DummyClasses dummyClass,
  78                                 int i) {
  79         ConstantPoolTestCase.TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i);
  80         if (entry == null) {
  81             return;
  82         }
  83         HotSpotResolvedObjectType typeToVerify = CompilerToVMHelper.resolveTypeInPool(constantPoolCTVM, i);
  84         String classNameToRefer = entry.klass;
  85         String outputToVerify = typeToVerify.toString();
  86         if (!outputToVerify.contains(classNameToRefer)) {
  87             String msg = String.format("Wrong class accessed by constant"
  88                                                + " pool index %d: %s, but should be %s",
  89                                        i,
  90                                        outputToVerify,
  91                                        classNameToRefer);
  92             throw new AssertionError(msg);
  93         }
  94     }
  95 }