* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.

 * @build sun.hotspot.WhiteBox

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

 *                              jdk.vm.ci.hotspot.CompilerToVMHelper

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

 *                   -XX:+WhiteBoxAPI -XX:+UnlockExperimentalVMOptions

import compiler.jvmci.compilerToVM.ConstantPoolTestsHelper.DummyClasses;

import compiler.jvmci.compilerToVM.ConstantPoolTestCase.ConstantTypes;

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

import compiler.jvmci.compilerToVM.ConstantPoolTestCase.TestedCPEntry;

import compiler.jvmci.compilerToVM.ConstantPoolTestCase.Validator;

import jdk.vm.ci.meta.ConstantPool;

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

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

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

        typeTests.put(CONSTANT_CLASS, LookupKlassInPoolTest::validate);

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

        // are here for the following reason.

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

        // which means no constant pool cache exists.

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

        // Some CompilerToVM methods require different input

        // depending on whether CP cache exists or not.

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

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

        }

        testCase.test();

    public static void validate(ConstantPool constantPoolCTVM,

                                ConstantTypes cpType,

                                DummyClasses dummyClass,

                                int i) {

        TestedCPEntry entry = cpType.getTestedCPEntry(dummyClass, i);

        if (entry == null) {

            return;

        }

        Object classToVerify = CompilerToVMHelper.lookupKlassInPool(constantPoolCTVM, i);

        if (!(classToVerify instanceof HotSpotResolvedObjectType) && !(classToVerify instanceof String)) {

            String msg = String.format("Output of method CTVM.lookupKlassInPool is neither"

                                               + " a HotSpotResolvedObjectType, nor a String");

        String classNameToRefer = entry.klass;

            String msg = String.format("Wrong class accessed by constant pool index %d: %s, but should be %s",

                                       i,

                                       outputToVerify,

                                       classNameToRefer);