1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * Utility class for launching a test in a separate JVM. 26 */ 27 28 import java.util.List; 29 import java.util.ArrayList; 30 import java.util.Arrays; 31 import jdk.test.lib.process.OutputAnalyzer; 32 import jdk.test.lib.process.ProcessTools; 33 import jdk.testlibrary.Utils; 34 import jdk.testlibrary.JDKToolFinder; 35 36 public class RunUtil { 37 38 // Used to mark that the test has passed successfully. 39 public static final String successMessage = "Test passed."; 40 41 public static void runTestClearGcOpts(String main, String... testOpts) throws Throwable { 42 runTest(main, true, testOpts); 43 } 44 45 public static void runTestKeepGcOpts(String main, String... testOpts) throws Throwable { 46 runTest(main, false, testOpts); 47 } 48 49 /** 50 * Runs a test in a separate JVM. 51 * command line like: 52 * {test_jdk}/bin/java {defaultopts} -cp {test.class.path} {testopts} main 53 * 54 * {defaultopts} are the default java options set by the framework. 55 * Default GC options in {defaultopts} may be removed. 56 * This is used when the test specifies its own GC options. 57 * 58 * @param main Name of the main class. 59 * @param clearGcOpts true if the default GC options should be removed. 60 * @param testOpts java options specified by the test. 61 */ 62 private static void runTest(String main, boolean clearGcOpts, String... testOpts) 63 throws Throwable { 64 List<String> opts = new ArrayList<>(); 65 opts.add(JDKToolFinder.getJDKTool("java")); 66 opts.addAll(Arrays.asList(Utils.getTestJavaOpts())); 67 opts.add("-cp"); 68 opts.add(System.getProperty("test.class.path", "test.class.path")); 69 opts.add("-Xlog:gc*=debug"); 70 71 if (clearGcOpts) { 72 opts = Utils.removeGcOpts(opts); 73 } 74 opts.addAll(Arrays.asList(testOpts)); 75 opts.add(main); 76 77 OutputAnalyzer output = ProcessTools.executeProcess(opts.toArray(new String[0])); 78 output.shouldHaveExitValue(0); 79 if (output.getStdout().indexOf(successMessage) < 0) { 80 throw new Exception("output missing '" + successMessage + "'"); 81 } 82 } 83 84 }