Mercurial > hg > graal-compiler
view test/gc/arguments/TestG1ConcRefinementThreads.java @ 22038:1f07c19e7d83
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 20 Jun 2015 01:56:43 +0200 |
parents | 8ba0078861d4 |
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/* * 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())); } }