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/*
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* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package compiler.aot.verification.vmflags;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.Utils;
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import compiler.aot.HelloWorldPrinter;
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import compiler.aot.AotCompiler;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* A class with common launch and check logic for testing vm flags change
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*/
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public class BasicFlagsChange {
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private static final boolean CAN_LOAD = true;
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/**
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* A main method which parse arguments, expecting vm option name to
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* be present, launch java process with combinations of provided flag
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* enabled/disable in aot library and vm flag expecting different flag
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* values in library and vm to be negative cases
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* @param args should have true/false treated as "loadAlways" for
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* tracked/non-tracked options and vm option name
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*/
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public static void main(String args[]) {
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if (args.length != 2) {
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throw new Error("TESTBUG: Unexpected number of arguments: "
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+ args.length);
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}
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if (!"false".equals(args[0]) && !"true".equals(args[0])) {
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throw new Error("TESTBUG: unexpected value of 1st parameter: "
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+ args[0]);
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}
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boolean loadAlways = Boolean.parseBoolean(args[0]);
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String optName = args[1];
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String optEnabled = "-XX:+" + optName;
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String optDisabled = "-XX:-" + optName;
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String enabledLibName = "libEnabled.so";
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String disabledLibName = "libDisabled.so";
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// compile libraries
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compileLibrary(optEnabled, enabledLibName);
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compileLibrary(optDisabled, disabledLibName);
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// run 4 combinations
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runAndCheck(optEnabled, enabledLibName, CAN_LOAD || loadAlways);
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runAndCheck(optDisabled, enabledLibName, !CAN_LOAD || loadAlways);
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runAndCheck(optEnabled, disabledLibName, !CAN_LOAD || loadAlways);
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runAndCheck(optDisabled, disabledLibName, CAN_LOAD || loadAlways);
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}
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private static void compileLibrary(String option, String libName) {
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String className = BasicFlagsChange.class.getName();
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List<String> extraOpts = new ArrayList<>();
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extraOpts.add(option);
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extraOpts.add("-classpath");
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extraOpts.add(Utils.TEST_CLASS_PATH + File.pathSeparator + Utils.TEST_SRC);
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AotCompiler.launchCompiler(libName, className + ".class", extraOpts, null);
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}
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private static void runAndCheck(String option, String libName,
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boolean positiveCase) {
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ProcessBuilder pb;
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try {
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/* using +PrintAOT to check if library has been loaded or skipped,
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so, a message like "skipped $pathTolibrary aot library" or
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"loaded $pathToLibrary aot library" is present for cases of
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incompatible or compatible flags respectively */
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pb = ProcessTools.createJavaProcessBuilder(true, "-XX:+UseAOT",
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"-XX:+PrintAOT", "-XX:AOTLibrary=./" + libName, option,
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HelloWorldPrinter.class.getName());
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} catch (Exception ex) {
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throw new Error("Problems creating ProcessBuilder using " + option
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+ " Caused by: " + ex, ex);
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}
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OutputAnalyzer oa;
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try {
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oa = ProcessTools.executeProcess(pb);
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} catch (Exception ex) {
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throw new Error("Problems execution child process using case "
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+ option + " Caused by: " + ex, ex);
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}
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oa.shouldHaveExitValue(0);
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oa.shouldContain(HelloWorldPrinter.MESSAGE);
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if (positiveCase) {
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oa.shouldContain("loaded ./" + libName + " aot library");
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} else {
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oa.shouldContain("skipped ./" + libName + " aot library");
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}
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}
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}
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