rev 51958 : 8211122: Reduce the number of internal classes made accessible to jdk.unsupported
Reviewed-by: alanb, dfuchs, kvn

   1 /*
   2  * Copyright (c) 2015, 2018, 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 8136421
  27  * @requires vm.jvmci
  28  * @summary Testing compiler.jvmci.CompilerToVM.resolveTypeInPool method
  29  * @library /test/lib /
  30  * @library ../common/patches
  31  * @modules java.base/jdk.internal.access
  32  *          java.base/jdk.internal.reflect
  33  *          java.base/jdk.internal.org.objectweb.asm
  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 sun.hotspot.WhiteBox
  39  * @run driver ClassFileInstaller sun.hotspot.WhiteBox
  40  *                                sun.hotspot.WhiteBox$WhiteBoxPermission
  41  * @run main/othervm -Xbootclasspath/a:.
  42  *                   -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  43  *                   -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
  44  *                   -Djvmci.Compiler=null
  45  *                   compiler.jvmci.compilerToVM.ResolveTypeInPoolTest
  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.vm.ci.hotspot.CompilerToVMHelper;
  55 import jdk.vm.ci.hotspot.HotSpotResolvedObjectType;
  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_CLASS;
  62 
  63 /**
  64  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.resolveTypeInPool} method
  65  */
  66 public class ResolveTypeInPoolTest {
  67 
  68     public static void main(String[] args) throws Exception {
  69         Map<ConstantTypes, Validator> typeTests = new HashMap<>();
  70         typeTests.put(CONSTANT_CLASS, ResolveTypeInPoolTest::validate);
  71         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);
  72         testCase.test();
  73         // The next "Class.forName" and repeating "testCase.test()"
  74         // are here for the following reason.
  75         // The first test run is without dummy class initialization,
  76         // which means no constant pool cache exists.
  77         // The second run is with initialized class (with constant pool cache available).
  78         // Some CompilerToVM methods require different input
  79         // depending on whether CP cache exists or not.
  80         for (DummyClasses dummy : DummyClasses.values()) {
  81             Class.forName(dummy.klass.getName());
  82         }
  83         testCase.test();
  84     }
  85 
  86     public static void validate(ConstantPool constantPoolCTVM,
  87                                 ConstantTypes cpType,
  88                                 DummyClasses dummyClass,
  89                                 int i) {
  90         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i);
  91         if (entry == null) {
  92             return;
  93         }
  94         HotSpotResolvedObjectType typeToVerify = CompilerToVMHelper.resolveTypeInPool(constantPoolCTVM, i);
  95         String classNameToRefer = entry.klass;
  96         String outputToVerify = typeToVerify.toString();
  97         if (!outputToVerify.contains(classNameToRefer)) {
  98             String msg = String.format("Wrong class accessed by constant"
  99                                                + " pool index %d: %s, but should be %s",
 100                                        i,
 101                                        outputToVerify,
 102                                        classNameToRefer);
 103             throw new AssertionError(msg);
 104         }
 105     }
 106 }
--- EOF ---