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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")

    29  * @library /testlibrary /test/lib /

    30  * @compile ../common/CompilerToVMHelper.java

    31  * @build sun.hotspot.WhiteBox

    32  *        compiler.jvmci.compilerToVM.LookupNameInPoolTest

    33  * @run main ClassFileInstaller sun.hotspot.WhiteBox

    34  *                              sun.hotspot.WhiteBox$WhiteBoxPermission

    35  *                              jdk.vm.ci.hotspot.CompilerToVMHelper

    36  * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions

    37  *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI

    38  *                   compiler.jvmci.compilerToVM.LookupNameInPoolTest

    39  */

    40 

    41 package compiler.jvmci.compilerToVM;

    42 

    43 import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;

    44 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;

    45 import static compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes.*;

    46 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;

    47 import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;

    48 import java.util.HashMap;

    49 import java.util.Map;

    50 import jdk.vm.ci.hotspot.CompilerToVMHelper;

    51 import jdk.vm.ci.meta.ConstantPool;

    52 import jdk.test.lib.Asserts;

    53 

    54 /**

    55  * Test for {@code jdk.vm.ci.hotspot.CompilerToVM.lookupNameInPool} method

    56  */

    57 public class LookupNameInPoolTest {

    58 

    59     public static void main(String[] args) throws Exception {

    60         Map<ConstantTypes, Validator> typeTests = new HashMap<>();

    61         typeTests.put(CONSTANT_METHODREF, LookupNameInPoolTest::validate);

    62         typeTests.put(CONSTANT_INTERFACEMETHODREF, LookupNameInPoolTest::validate);

    63         typeTests.put(CONSTANT_FIELDREF, LookupNameInPoolTest::validate);

    64         typeTests.put(CONSTANT_INVOKEDYNAMIC, LookupNameInPoolTest::validate);

    65         ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);

    66         testCase.test();

    67         // The next "Class.forName" and repeating "testCase.test()"

    68         // are here for the following reason.

    69         // The first test run is without dummy class initialization,

    70         // which means no constant pool cache exists.

    71         // The second run is with initialized class (with constant pool cache available).

    72         // Some CompilerToVM methods require different input

    73         // depending on whether CP cache exists or not.

    74         for (DummyClasses dummy : DummyClasses.values()) {

    75             Class.forName(dummy.klass.getName());

    76         }

    77         testCase.test();

    78     }

    79 

    80     private static void validate(ConstantPool constantPoolCTVM,

    81                                  ConstantTypes cpType,

    82                                  DummyClasses dummyClass,

    83                                  int cpi) {

    84         TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, cpi);

    85         if (entry == null) {

    86             return;

    87         }

    88         int index = cpi;

    89         String cached = "";

    90         int cpci = dummyClass.getCPCacheIndex(cpi);

    91         if (cpci != ConstantPoolTestsHelper.NO_CP_CACHE_PRESENT) {

    92             index = cpci;

    93             cached = "cached ";

    94         }

    95         String nameToVerify = CompilerToVMHelper.lookupNameInPool(constantPoolCTVM, index);

    96         String nameToRefer = entry.name;

    97         String msg = String.format("Wrong name accessed by %sconstant pool index %d", cached, index);

    98         Asserts.assertEQ(nameToVerify, nameToRefer, msg);

    99     }

   100 }