test/hotspot/jtreg/compiler/startup/NumCompilerThreadsCheck.java
author chegar
Thu, 17 Oct 2019 20:54:25 +0100
branchdatagramsocketimpl-branch
changeset 58679 9c3209ff7550
parent 47216 71c04702a3d5
permissions -rw-r--r--
datagramsocketimpl-branch: merge with default

/*
 * Copyright (c) 2014, 2016, 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.
 *
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 */

/*
 * @test
 * @bug 8034775
 * @summary Ensures correct minimal number of compiler threads (provided by -XX:CICompilerCount=)
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 *
 * @run driver compiler.startup.NumCompilerThreadsCheck
 */

package compiler.startup;

import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;

public class NumCompilerThreadsCheck {

  public static void main(String[] args) throws Exception {
    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:CICompilerCount=-1");
    OutputAnalyzer out = new OutputAnalyzer(pb.start());

    String expectedOutput = "outside the allowed range";
    out.shouldContain(expectedOutput);

    if (Platform.isZero()) {
      String expectedLowWaterMarkText = "must be at least 0";
      out.shouldContain(expectedLowWaterMarkText);
    }
  }

}