/*

 * 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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 */

package compiler.compilercontrol.share;

import compiler.compilercontrol.share.method.MethodDescriptor;

import compiler.compilercontrol.share.scenario.Command;

import compiler.compilercontrol.share.scenario.CommandGenerator;

import compiler.compilercontrol.share.scenario.CompileCommand;

import compiler.compilercontrol.share.scenario.Scenario;

import jdk.test.lib.Utils;

import java.lang.reflect.Executable;

import java.util.ArrayList;

import java.util.List;

public class MultiCommand extends AbstractTestBase {

    private final List<CompileCommand> testCases;

    public MultiCommand(List<CompileCommand> testCases) {

        this.testCases = testCases;

    }

    /**

     * Generates a test containing multiple random commands

     *

     * @param validOnly shows that all commands should be valid

     * @return test instance to run

     */

    public static AbstractTestBase generateRandomTest(boolean validOnly) {

        CommandGenerator cmdGen = new CommandGenerator();

        List<Command> commands = cmdGen.generateCommands();

        List<CompileCommand> testCases = new ArrayList<>();

        for (Command cmd : commands) {

            if (validOnly && cmd == Command.NONEXISTENT) {

                // replace with a valid command

                cmd = Command.EXCLUDE;

            }

            Executable exec = Utils.getRandomElement(METHODS).first;

            MethodDescriptor md;

            if (validOnly) {

                md = AbstractTestBase.getValidMethodDescriptor(exec);

            } else {

                md = AbstractTestBase.METHOD_GEN.generateRandomDescriptor(exec);

            }

            CompileCommand cc = cmdGen.generateCompileCommand(cmd, md, null);

            testCases.add(cc);

        }

        return new MultiCommand(testCases);

    }

    @Override

    public void test() {

        Scenario.Builder builder = Scenario.getBuilder();

        builder.addFlag("-Xmixed");

        builder.addFlag("-XX:+UnlockDiagnosticVMOptions");

        builder.addFlag("-XX:CompilerDirectivesLimit=101");

        for (CompileCommand cc : testCases) {

            cc.print();

            builder.add(cc);

        }

        Scenario scenario = builder.build();

        scenario.execute();

    }

}