1 /*

     2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

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

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

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

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

    13  * accompanied this code).

    14  *

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

    16  * 2 along with this work; if not, write to the Free Software Foundation,

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

    18  *

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package compiler.tiered;

    25 

    26 import compiler.whitebox.CompilerWhiteBoxTest;

    27 import jdk.test.lib.process.OutputAnalyzer;

    28 import jdk.test.lib.process.ProcessTools;

    29 

    30 import java.lang.management.ManagementFactory;

    31 import java.lang.management.RuntimeMXBean;

    32 import java.util.ArrayList;

    33 import java.util.Collections;

    34 import java.util.List;

    35 

    36 /**

    37  * Executes given test in a separate VM with enabled Tiered Compilation for

    38  * CompilationPolicyChoice 2 and 3

    39  */

    40 public class TransitionsTestExecutor {

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

    42         if (CompilerWhiteBoxTest.skipOnTieredCompilation(false)) {

    43             return;

    44         }

    45         if (args.length != 1) {

    46             throw new Error("TESTBUG: Test name should be specified");

    47         }

    48         executeTestFor(2, args[0]);

    49         executeTestFor(3, args[0]);

    50     }

    51 

    52     private static void executeTestFor(int compilationPolicy, String testName) throws Throwable {

    53         String policy = "-XX:CompilationPolicyChoice=" + compilationPolicy;

    54 

    55         // Get runtime arguments including VM options given to this executor

    56         RuntimeMXBean runtime = ManagementFactory.getRuntimeMXBean();

    57         List<String> vmArgs = runtime.getInputArguments();

    58 

    59         // Construct execution command with compilation policy choice and test name

    60         List<String> args = new ArrayList<>(vmArgs);

    61         Collections.addAll(args, policy, testName);

    62 

    63         OutputAnalyzer out = ProcessTools.executeTestJvm(args.toArray(new String[args.size()]));

    64         out.shouldHaveExitValue(0);

    65     }

    66 }