1 /*
 2  * Copyright (c) 2003, 2019, 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 /* @test
25  * @bug 4794652
26  * @summary Ensure that a command argument that contains a space and a final
27  *          backslash is handled correctly
28  */
29 
30 import java.io.*;
31 import java.util.*;
32 
33 
34 public class ArgWithSpaceAndFinalBackslash {
35 
36     private static String getJavaCommand() {
37         String javaHome = System.getProperty("java.home");
38         if (javaHome != null && javaHome.length() > 0)
39             return (javaHome
40                     + File.separatorChar + "bin"
41                     + File.separatorChar + "java");
42         else
43             return "java";
44     }
45 
46     public static void main(String[] args) throws Exception {
47 
48         if (args.length > 0) {
49             System.err.println(args[0]);
50             return;
51         }
52 
53         String[] cmd = new String[5];
54         int i = 0;
55         cmd[i++] = getJavaCommand();
56         cmd[i++] = "-cp";
57         String cp = System.getProperty("test.classes");
58         if (cp == null)
59             cp = ".";
60         cmd[i++] = cp;
61         cmd[i++] = "ArgWithSpaceAndFinalBackslash";
62         cmd[i++] = "foo bar\\baz\\";
63 
64         Process process = Runtime.getRuntime().exec(cmd);
65         InputStream in = process.getErrorStream();
66         byte[] buf = new byte[1024];
67         int n = 0, d;
68         while ((d = in.read(buf, n, buf.length - n)) >= 0)
69             n += d;
70         String s = new String(buf, 0, n, "US-ASCII").trim();
71         if (!s.equals(cmd[i - 1]))
72             throw new Exception("Test failed: Got \"" + s
73                                 + "\", expected \"" + cmd[i - 1] + "\"");
74     }
75 
76 }