/*

 * 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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 */

import java.lang.reflect.Executable;

import java.util.function.BiFunction;

import jdk.test.lib.Asserts;

import sun.hotspot.WhiteBox;

/*

 * @test

 * @bug 8074980

 * @build sun.hotspot.WhiteBox jdk.test.lib.Asserts GetMethodOptionTest

 * @run main ClassFileInstaller sun.hotspot.WhiteBox

 *                              sun.hotspot.WhiteBox$WhiteBoxPermission

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

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,ccstrlist,MyListOption,_foo,_bar

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,ccstr,MyStrOption,_foo

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,bool,MyBoolOption,false

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,intx,MyIntxOption,-1

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,uintx,MyUintxOption,1

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,MyFlag

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,double,MyDoubleOption1,1.123

 *                   -XX:CompileCommand=option,GetMethodOptionTest.test,double,MyDoubleOption2,1.123

 *                   -XX:CompileCommand=option,GetMethodOptionTest::test,bool,MyBoolOptionX,false,intx,MyIntxOptionX,-1,uintx,MyUintxOptionX,1,MyFlagX,double,MyDoubleOptionX,1.123

 *                   GetMethodOptionTest

 */

public class GetMethodOptionTest {

    private static final  WhiteBox WB = WhiteBox.getWhiteBox();

    public static void main(String[] args) {

        Executable test = getMethod("test");

        Executable test2 = getMethod("test2");

        BiFunction<Executable, String, Object> getter = WB::getMethodOption;

        for (TestCase testCase : TestCase.values()) {

            Object expected = testCase.value;

            String name = testCase.name();

            Asserts.assertEQ(expected, getter.apply(test, name),

                    testCase + ": universal getter returns wrong value");

            Asserts.assertEQ(expected, testCase.getter.apply(test, name),

                    testCase + ": specific getter returns wrong value");

            Asserts.assertEQ(null, getter.apply(test2, name),

                    testCase + ": universal getter returns value for unused method");

            Asserts.assertEQ(null, testCase.getter.apply(test2, name),

                    testCase + ": type specific getter returns value for unused method");

        }

    }

    private static void test() { }

    private static void test2() { }

    private static enum TestCase {

        MyListOption("_foo _bar", WB::getMethodStringOption),

        MyStrOption("_foo", WB::getMethodStringOption),

        MyBoolOption(false, WB::getMethodBooleanOption),

        MyIntxOption(-1L, WB::getMethodIntxOption),

        MyUintxOption(1L, WB::getMethodUintxOption),

        MyFlag(true, WB::getMethodBooleanOption),

        MyDoubleOption1(1.123d, WB::getMethodDoubleOption),

        MyDoubleOption2(1.123d, WB::getMethodDoubleOption),

        MyBoolOptionX(false, WB::getMethodBooleanOption),

        MyIntxOptionX(-1L, WB::getMethodIntxOption),

        MyUintxOptionX(1L, WB::getMethodUintxOption),

        MyFlagX(true, WB::getMethodBooleanOption),

        MyDoubleOptionX(1.123d, WB::getMethodDoubleOption);

        public final Object value;

        public final BiFunction<Executable, String, Object> getter;

        private TestCase(Object value, BiFunction<Executable, String, Object> getter) {

            this.value = value;

            this.getter = getter;

        }

    }

    private static Executable getMethod(String name) {

        Executable result;

        try {

            result = GetMethodOptionTest.class.getDeclaredMethod(name);

        } catch (NoSuchMethodException | SecurityException e) {

            throw new Error("TESTBUG : can't get method " + name, e);

        }

        return result;

    }

}