anoll@7307: /*
anoll@7307:  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
anoll@7307:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
anoll@7307:  *
anoll@7307:  * This code is free software; you can redistribute it and/or modify it
anoll@7307:  * under the terms of the GNU General Public License version 2 only, as
anoll@7307:  * published by the Free Software Foundation.
anoll@7307:  *
anoll@7307:  * This code is distributed in the hope that it will be useful, but WITHOUT
anoll@7307:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
anoll@7307:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
anoll@7307:  * version 2 for more details (a copy is included in the LICENSE file that
anoll@7307:  * accompanied this code).
anoll@7307:  *
anoll@7307:  * You should have received a copy of the GNU General Public License version
anoll@7307:  * 2 along with this work; if not, write to the Free Software Foundation,
anoll@7307:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
anoll@7307:  *
anoll@7307:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
anoll@7307:  * or visit www.oracle.com if you need additional information or have any
anoll@7307:  * questions.
anoll@7307:  */
anoll@7307: 
anoll@7307: /*
anoll@7307:  * @test
anoll@7307:  * @bug 8034775
anoll@7307:  * @summary Ensures correct minimal number of compiler threads (provided by -XX:CICompilerCount=)
anoll@7307:  * @library /testlibrary
anoll@7307:  */
anoll@7307: import com.oracle.java.testlibrary.*;
anoll@7307: 
anoll@7307: public class NumCompilerThreadsCheck {
anoll@7310: 
anoll@7307:   public static void main(String[] args) throws Exception {
anoll@7307:     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:CICompilerCount=-1");
anoll@7307:     OutputAnalyzer out = new OutputAnalyzer(pb.start());
anoll@7307: 
anoll@7307:     String expectedOutput = "CICompilerCount of -1 is invalid";
anoll@7307:     out.shouldContain(expectedOutput);
anoll@7310: 
anoll@7310:     if (isZeroVm()) {
anoll@7310:       String expectedLowWaterMarkText = "must be at least 0";
anoll@7310:       out.shouldContain(expectedLowWaterMarkText);
anoll@7310:     }
anoll@7310:   }
anoll@7310: 
anoll@7310:   private static boolean isZeroVm() {
anoll@7310:     String vmName = System.getProperty("java.vm.name");
anoll@7310:     if (vmName == null) {
anoll@7310:       throw new RuntimeException("No VM name");
anoll@7310:     }
anoll@7310:     if (vmName.toLowerCase().contains("zero")) {
anoll@7310:       return true;
anoll@7310:     }
anoll@7310:     return false;
anoll@7307:   }
anoll@7307: }