--- /dev/null 2014-12-13 10:35:39.117184000 -0500 +++ new/test/runtime/CommandLine/GCAliasOptions8061611.java 2014-12-15 17:20:15.425532168 -0500 @@ -0,0 +1,112 @@ +/* + * 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 + * @bug 8061611 + * @summary Test that various alias options correctly set the target options. + * @library /testlibrary + */ +import java.util.ArrayList; +import com.oracle.java.testlibrary.*; + +public class GCAliasOptions8061611 { + + private static final String PRINT_FLAGS_FINAL_FORMAT = "%s\\s*:?=\\s*%s"; + + /** + * each entry is {[0]: alias name, [1]: alias target, [2]: value to set + * (+/-/n)}. n can be any valid value for the option. + */ + public static final String[][] ALIAS_OPTIONS = { + {"CMSMarkStackSizeMax", "MarkStackSizeMax", "1032"}, + {"CMSMarkStackSize", "MarkStackSize", "1032"}, + {"G1MarkStackSize", "MarkStackSize", "1032"}, + {"ParallelMarkingThreads", "ConcGCThreads", "77"}, + {"ParallelCMSThreads", "ConcGCThreads", "77"} + }; + + /** + * Turn the option and value into a legal -XX: command line argument. + * For example,"-XX:ParallelCMSThreads=77" + */ + static String makeOptionArg(String option, String value) { + if (value.equals("+")) { + return "-XX:+" + option; + } else if (value.equals("-")) { + return "-XX:-" + option; + } else { + return "-XX:" + option + "=" + value; + } + } + + /** + * Turn the optionInfo into pattern that might match "-XX:+PrintFlagsFinal" output. + * For example, match "uintx ConcGCThreads := 77 {product}" + */ + static String makeOptionFinalValue(String option, String value) { + if (value.equals("+")) { + value = "true"; + } else if (value.equals("-")) { + value = "false"; + } + return String.format(PRINT_FLAGS_FINAL_FORMAT, + option, value); + } + + static void testAliases(String[][] optionInfo, boolean normalTest) throws Throwable { + ArrayList args = new ArrayList<>(); + // construct args: + for (String[] alias: optionInfo) { + args.add(makeOptionArg(alias[0], alias[2])); + } + args.add("-XX:+PrintFlagsFinal"); + args.add("-version"); + + // start vm: + String[] args_array = new String[args.size()]; + ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(args.toArray(args_array)); + + OutputAnalyzer output = new OutputAnalyzer(pb.start()); + + // check option values: + output.shouldHaveExitValue(0); + for (String[] alias: optionInfo) { + String match = makeOptionFinalValue(alias[1], alias[2]); + if (normalTest) { + output.shouldMatch(match); + } else { + output.shouldNotMatch(match); + } + } + } + + public static void main(String[] args) throws Throwable { + // test the test: + String[][] testTestAliases = {{"MarkStackSizeMax", "CMSMarkStackSizeMax", "1032"}}; + testAliases(testTestAliases, false); // MarkStackSizeMax is NOT an alias for CMSMarkStackSizeMax. + + // run real test: + testAliases(ALIAS_OPTIONS, true); + } +}