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 * 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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 * questions.

 */

/*

 * @test CheckCheckCICompilerCount

 * @bug 8130858 8132525 8162881

 * @summary Check that correct range of values for CICompilerCount are allowed depending on whether tiered is enabled or not

 * @library /test/lib /

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @run driver compiler.arguments.CheckCICompilerCount

 */

package compiler.arguments;

import jdk.test.lib.process.OutputAnalyzer;

import jdk.test.lib.process.ProcessTools;

public class CheckCICompilerCount {

    private static final String[][] NON_TIERED_ARGUMENTS = {

        {

            "-server",

            "-XX:-TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=0",

            "-version"

        },

        {

            "-server",

            "-XX:-TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-server",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-XX:-TieredCompilation",

            "-version"

        },

        {

            "-client",

            "-XX:-TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=0",

            "-version"

        },

        {

            "-client",

            "-XX:-TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-client",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-XX:-TieredCompilation",

            "-version"

        }

    };

    private static final String[] NON_TIERED_EXPECTED_OUTPUTS = {

            "CICompilerCount (0) must be at least 1",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "CICompilerCount (0) must be at least 1",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 1                                        {product} {command line}"

    };

    private static final int[] NON_TIERED_EXIT = {

        1,

        0,

        0,

        1,

        0,

        0

    };

    private static final String[][] TIERED_ARGUMENTS = {

        {

            "-server",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-server",

            "-XX:+TieredCompilation",

            "-XX:TieredStopAtLevel=1",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-server",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-XX:TieredStopAtLevel=1",

            "-version"

        },

        {

            "-server",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=2",

            "-version"

        },

        {

            "-client",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-client",

            "-XX:+TieredCompilation",

            "-XX:TieredStopAtLevel=1",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-version"

        },

        {

            "-client",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=1",

            "-XX:TieredStopAtLevel=1",

            "-version"

        },

        {

            "-client",

            "-XX:+TieredCompilation",

            "-XX:+PrintFlagsFinal",

            "-XX:CICompilerCount=2",

            "-version"

        }

    };

    private static final String[] TIERED_EXPECTED_OUTPUTS = {

            "CICompilerCount (1) must be at least 2",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 2                                        {product} {command line}",

            "CICompilerCount (1) must be at least 2",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 1                                        {product} {command line}",

            "intx CICompilerCount                          = 2                                        {product} {command line}",

    };

    private static final int[] TIERED_EXIT = {

        1,

        0,

        0,

        0,

        1,

        0,

        0,

        0

    };

    private static void verifyValidOption(String[] arguments, String expected_output, int exit, boolean tiered) throws Exception {

        ProcessBuilder pb;

        OutputAnalyzer out;

        pb = ProcessTools.createJavaProcessBuilder(arguments);

        out = new OutputAnalyzer(pb.start());

        try {

            out.shouldHaveExitValue(exit);

            out.shouldContain(expected_output);

        } catch (RuntimeException e) {

            // Check if tiered compilation is available in this JVM

            // Version. Throw exception only if it is available.

            if (!(tiered && out.getOutput().contains("-XX:+TieredCompilation not supported in this VM"))) {

                throw new RuntimeException(e);

            }

        }

    }

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

        if (NON_TIERED_ARGUMENTS.length != NON_TIERED_EXPECTED_OUTPUTS.length || NON_TIERED_ARGUMENTS.length != NON_TIERED_EXIT.length) {

            throw new RuntimeException("Test is set up incorrectly: length of arguments, expected outputs and exit codes in non-tiered mode of operation do not match.");

        }

        if (TIERED_ARGUMENTS.length != TIERED_EXPECTED_OUTPUTS.length || TIERED_ARGUMENTS.length != TIERED_EXIT.length) {

            throw new RuntimeException("Test is set up incorrectly: length of arguments, expected outputs and exit codes in tiered mode of operation do not match.");

        }

        for (int i = 0; i < NON_TIERED_ARGUMENTS.length; i++) {

            verifyValidOption(NON_TIERED_ARGUMENTS[i], NON_TIERED_EXPECTED_OUTPUTS[i], NON_TIERED_EXIT[i], false);

        }

        for (int i = 0; i < TIERED_ARGUMENTS.length; i++) {

            verifyValidOption(TIERED_ARGUMENTS[i], TIERED_EXPECTED_OUTPUTS[i], TIERED_EXIT[i], true);

        }

    }

}