| /* |
| * Copyright (c) 2016, 2019, 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. |
| */ |
| |
| package compiler.aot.verification.vmflags; |
| |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| import jdk.test.lib.Utils; |
| import compiler.aot.HelloWorldPrinter; |
| import compiler.aot.AotCompiler; |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A class with common launch and check logic for testing vm flags change |
| */ |
| public class BasicFlagsChange { |
| private static final boolean CAN_LOAD = true; |
| /** |
| * A main method which parse arguments, expecting vm option name to |
| * be present, launch java process with combinations of provided flag |
| * enabled/disable in aot library and vm flag expecting different flag |
| * values in library and vm to be negative cases |
| * @param args should have true/false treated as "loadAlways" for |
| * tracked/non-tracked options and vm option name |
| */ |
| public static void main(String args[]) { |
| if (args.length != 2) { |
| throw new Error("TESTBUG: Unexpected number of arguments: " |
| + args.length); |
| } |
| if (!"false".equals(args[0]) && !"true".equals(args[0])) { |
| throw new Error("TESTBUG: unexpected value of 1st parameter: " |
| + args[0]); |
| } |
| boolean loadAlways = Boolean.parseBoolean(args[0]); |
| String optName = args[1]; |
| String optEnabled = "-XX:+" + optName; |
| String optDisabled = "-XX:-" + optName; |
| String enabledLibName = "libEnabled.so"; |
| String disabledLibName = "libDisabled.so"; |
| // compile libraries |
| compileLibrary(optEnabled, enabledLibName); |
| compileLibrary(optDisabled, disabledLibName); |
| // run 4 combinations |
| runAndCheck(optEnabled, enabledLibName, CAN_LOAD || loadAlways); |
| runAndCheck(optDisabled, enabledLibName, !CAN_LOAD || loadAlways); |
| runAndCheck(optEnabled, disabledLibName, !CAN_LOAD || loadAlways); |
| runAndCheck(optDisabled, disabledLibName, CAN_LOAD || loadAlways); |
| } |
| |
| private static void compileLibrary(String option, String libName) { |
| String className = BasicFlagsChange.class.getName(); |
| List<String> extraOpts = new ArrayList<>(); |
| extraOpts.add(option); |
| extraOpts.add("-classpath"); |
| extraOpts.add(Utils.TEST_CLASS_PATH + File.pathSeparator + Utils.TEST_SRC); |
| AotCompiler.launchCompiler(libName, className, extraOpts, null); |
| } |
| |
| private static void runAndCheck(String option, String libName, |
| boolean positiveCase) { |
| ProcessBuilder pb; |
| try { |
| /* using +PrintAOT to check if library has been loaded or skipped, |
| so, a message like "skipped $pathTolibrary aot library" or |
| "loaded $pathToLibrary aot library" is present for cases of |
| incompatible or compatible flags respectively */ |
| pb = ProcessTools.createJavaProcessBuilder(true, "-XX:+UnlockExperimentalVMOptions", |
| "-XX:+UseAOT", "-XX:+PrintAOT", "-XX:AOTLibrary=./" + libName, option, |
| HelloWorldPrinter.class.getName()); |
| } catch (Exception ex) { |
| throw new Error("Problems creating ProcessBuilder using " + option |
| + " Caused by: " + ex, ex); |
| } |
| OutputAnalyzer oa; |
| try { |
| oa = ProcessTools.executeProcess(pb); |
| } catch (Exception ex) { |
| throw new Error("Problems execution child process using case " |
| + option + " Caused by: " + ex, ex); |
| } |
| oa.shouldHaveExitValue(0); |
| oa.shouldContain(HelloWorldPrinter.MESSAGE); |
| if (positiveCase) { |
| oa.shouldContain("loaded ./" + libName + " aot library"); |
| } else { |
| oa.shouldContain("skipped ./" + libName + " aot library"); |
| } |
| } |
| } |