/*

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

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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/*

 * @test

 * @bug 8136421

 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9") & os.arch != "aarch64"

 * @summary Testing compiler.jvmci.CompilerToVM.lookupKlassInPool method

 * @compile ../common/CompilerToVMHelper.java

 * @build compiler.jvmci.common.testcases.MultipleImplementersInterface

 *        compiler.jvmci.common.testcases.MultipleImplementer2

 *        compiler.jvmci.compilerToVM.ConstantPoolTestsHelper

 *        compiler.jvmci.compilerToVM.ConstantPoolTestCase

 *        compiler.jvmci.compilerToVM.LookupKlassInPoolTest

 * @run main ClassFileInstaller jdk.vm.ci.hotspot.CompilerToVMHelper

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

 *                   -XX:+EnableJVMCI compiler.jvmci.compilerToVM.LookupKlassInPoolTest

 */

package compiler.jvmci.compilerToVM;

import java.util.HashMap;

import java.util.Map;

import jdk.vm.ci.hotspot.CompilerToVMHelper;

import jdk.vm.ci.hotspot.HotSpotConstantPool;

import jdk.vm.ci.hotspot.HotSpotResolvedObjectTypeImpl;

import sun.reflect.ConstantPool;

/**

 * Test for {@code compiler.jvmci.CompilerToVM.lookupKlassInPool} method

 */

public class LookupKlassInPoolTest {

    public static void main(String[] args)  {

        Map<ConstantPoolTestsHelper.ConstantTypes,

                ConstantPoolTestCase.Validator> typeTests = new HashMap<>(1);

        typeTests.put(ConstantPoolTestsHelper.ConstantTypes.CONSTANT_CLASS,

                LookupKlassInPoolTest::validate);

        ConstantPoolTestCase testCase = new ConstantPoolTestCase(typeTests);

        testCase.test();

    }

    public static void validate(HotSpotConstantPool constantPoolCTVM,

            ConstantPool constantPoolSS,

            ConstantPoolTestsHelper.DummyClasses dummyClass, int i) {

        Object classToVerify = CompilerToVMHelper

                .lookupKlassInPool(constantPoolCTVM, i);

        if (!(classToVerify instanceof HotSpotResolvedObjectTypeImpl)

                && !(classToVerify instanceof String)) {

            String msg = String.format("Output of method"

                    + " CTVM.lookupKlassInPool is neither"

                    + " a HotSpotResolvedObjectTypeImpl, nor a String");

            throw new AssertionError(msg);

        }

        int classNameIndex = (int) dummyClass.cp.get(i).value;

        String classNameToRefer

                = constantPoolSS.getUTF8At(classNameIndex);

        String outputToVerify = classToVerify.toString();

        if (!outputToVerify.contains(classNameToRefer)) {

            String msg = String.format("Wrong class accessed by constant"

                    + " pool index %d: %s, but should be %s",

                    i, outputToVerify, classNameToRefer);

            throw new AssertionError(msg);

        }

    }

}