1/* 2 * Copyright (c) 1999, 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 4156278 27 * @summary Basic functional test for 28 * Runtime.exec(String[] command, String[] env, File path) and 29 * Runtime.exec(String command, String[] env, File path). 30 * 31 * @build SetCwd 32 * @run shell setcwd.sh 33 */ 34import java.io.*; 35 36public class SetCwd { 37 public static void testExec(String cmd, String[] cmdarray, boolean flag) 38 throws Exception { 39 File dir = new File("."); 40 File[] files = dir.listFiles(); 41 String curDir = dir.getCanonicalPath(); 42 43 for (int i = 0; i < files.length; i++) { 44 File f = files[i]; 45 if (f.isDirectory() && (new File(f, "SetCwd.class")).exists()) { 46 String newDir = f.getCanonicalPath(); 47 // exec a new SetCwd in the sub directory 48 Process p = null; 49 if (flag) { 50 p = Runtime.getRuntime().exec(cmd, null, f); 51 } else { 52 p = Runtime.getRuntime().exec(cmdarray, null, f); 53 } 54 55 BufferedReader in = new BufferedReader 56 (new InputStreamReader(p.getInputStream())); 57 // Read back output from child 58 String s = in.readLine(); 59 if (!s.startsWith(newDir)) { 60 throw new Exception("inconsistent directory after exec"); 61 } 62 // Join on the child 63 p.waitFor(); 64 } 65 } 66 System.out.println(curDir); 67 } 68 69 public static void main (String args[]) throws Exception { 70 String cmdarray[] = new String[2]; 71 cmdarray[0] = System.getProperty("java.home") + File.separator + 72 "bin" + File.separator + "java"; 73 cmdarray[1] = "SetCwd"; 74 String cmd = cmdarray[0] + " " + cmdarray[1]; 75 // test the two new methods 76 testExec(cmd, null, true); 77 testExec(null, cmdarray, false); 78 } 79} 80