ExitValue.java revision 12745:f068a4ffddd2
1/* 2 * Copyright (c) 2002, 2007, 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 * @test 26 * @bug 4680945 4873419 27 * @summary Check process exit code 28 * @author kladko, Martin Buchholz 29 */ 30 31import java.io.File; 32 33public class ExitValue 34{ 35 36 public static String join(String separator, String[] elts) { 37 String result = elts[0]; 38 for (int i = 1; i < elts.length; ++i) 39 result = result + separator + elts[i]; 40 return result; 41 } 42 43 public static void checkExitValue(String[] commandArgs, 44 int expectedExitValue) 45 throws Exception 46 { 47 if (! (new File(commandArgs[0]).exists())) 48 return; 49 50 System.out.println("Running command: " + join(" ", commandArgs)); 51 Process proc = Runtime.getRuntime().exec(commandArgs); 52 int val; 53 byte[] buf = new byte[4096]; 54 int n = proc.getErrorStream().read(buf); 55 if (n > 0) 56 throw new Exception 57 ("Unexpected stderr: " 58 + new String(buf, 0, n, "ASCII")); 59 if ((val = proc.waitFor()) != expectedExitValue) 60 throw new Exception 61 ("waitFor() returned unexpected value " + val); 62 if ((val = proc.exitValue()) != expectedExitValue) 63 throw new Exception 64 ("exitValue() returned unexpected value " + val); 65 } 66 67 public static void checkPosixShellExitValue(String posixShellProgram, 68 int expectedExitValue) 69 throws Exception 70 { 71 checkExitValue(new String[] { UnixCommands.sh(), "-c", posixShellProgram }, 72 expectedExitValue); 73 } 74 75 static final int EXIT_CODE = 5; 76 77 public static void main(String[] args) throws Exception { 78 if (! UnixCommands.isUnix) { 79 System.out.println("For UNIX only"); 80 return; 81 } 82 UnixCommands.ensureCommandsAvailable("sh", "true", "kill"); 83 84 String java = join(File.separator, new String [] 85 { System.getProperty("java.home"), "bin", "java" }); 86 87 checkExitValue(new String[] 88 { java, 89 "-classpath", System.getProperty("test.classes", "."), 90 "ExitValue$Run", String.valueOf(EXIT_CODE) 91 }, EXIT_CODE); 92 93 checkExitValue(new String[] { UnixCommands.findCommand("true") }, 0); 94 95 checkPosixShellExitValue("exit", 0); 96 97 checkPosixShellExitValue("exit 7", 7); 98 99 int sigoffset = UnixCommands.isSunOS ? 0 : 128; 100 checkPosixShellExitValue(UnixCommands.kill() + " -9 $$", sigoffset+9); 101 } 102 103 public static class Run { 104 public static void main (String[] argv) { 105 System.exit(Integer.parseInt(argv[0])); 106 } 107 } 108} 109