jdk8-mips64-public/hotspot: test/gc/arguments/TestG1ConcRefinementThreads.java@6cbff0651f1a (annotated)

test/gc/arguments/TestG1ConcRefinementThreads.java@6cbff0651f1a (annotated)

test/gc/arguments/TestG1ConcRefinementThreads.java

Mon, 06 Nov 2017 16:51:47 +0800

author: aoqi
date: Mon, 06 Nov 2017 16:51:47 +0800
changeset 7997: 6cbff0651f1a
parent 7219: 8ba0078861d4
permissions: -rw-r--r--

[Code Reorganization] remove trailing whitespace to pass jcheck test

 /*
 * Copyright (c) 2014, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
 /*
  * @test TestG1ConcRefinementThreads
  * @key gc
  * @bug 8047976
  * @summary Tests argument processing for G1ConcRefinementThreads
  * @library /testlibrary
  */
 import com.oracle.java.testlibrary.*;
 import java.util.*;
 import java.util.regex.*;
 public class TestG1ConcRefinementThreads {
   static final int AUTO_SELECT_THREADS_COUNT = 0;
   static final int PASSED_THREADS_COUNT = 11;
   public static void main(String args[]) throws Exception {
     // default case
     runG1ConcRefinementThreadsTest(
         new String[]{}, // automatically selected
         AUTO_SELECT_THREADS_COUNT /* use default setting */);
     // zero setting case
     runG1ConcRefinementThreadsTest(
         new String[]{"-XX:G1ConcRefinementThreads=0"}, // automatically selected
         AUTO_SELECT_THREADS_COUNT /* set to zero */);
     // non-zero sestting case
     runG1ConcRefinementThreadsTest(
         new String[]{"-XX:G1ConcRefinementThreads="+Integer.toString(PASSED_THREADS_COUNT)},
         PASSED_THREADS_COUNT);
   }
   private static void runG1ConcRefinementThreadsTest(String[] passedOpts,
           int expectedValue) throws Exception {
     List<String> vmOpts = new ArrayList<>();
     if (passedOpts.length > 0) {
       Collections.addAll(vmOpts, passedOpts);
     }
     Collections.addAll(vmOpts, "-XX:+UseG1GC", "-XX:+PrintFlagsFinal", "-version");
     ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(vmOpts.toArray(new String[vmOpts.size()]));
     OutputAnalyzer output = new OutputAnalyzer(pb.start());
     output.shouldHaveExitValue(0);
     String stdout = output.getStdout();
     checkG1ConcRefinementThreadsConsistency(stdout, expectedValue);
   }
   private static void checkG1ConcRefinementThreadsConsistency(String output, int expectedValue) {
     int actualValue = getIntValue("G1ConcRefinementThreads", output);
     if (expectedValue == 0) {
       // If expectedValue is automatically selected, set it same as ParallelGCThreads.
       expectedValue = getIntValue("ParallelGCThreads", output);
     }
     if (expectedValue != actualValue) {
       throw new RuntimeException(
             "Actual G1ConcRefinementThreads(" + Integer.toString(actualValue)
             + ") is not equal to expected value(" + Integer.toString(expectedValue) + ")");
     }
   }
   public static int getIntValue(String flag, String where) {
     Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
     if (!m.find()) {
       throw new RuntimeException("Could not find value for flag " + flag + " in output string");
     }
     String match = m.group();
     return Integer.parseInt(match.substring(match.lastIndexOf(" ") + 1, match.length()));
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

test/gc/arguments/TestG1ConcRefinementThreads.java@6cbff0651f1a (annotated)

test/gc/arguments/TestG1ConcRefinementThreads.java