1 /*
 2  * Copyright (c) 2003, 2023, 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
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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  * @requires vm.flagless
29  */
30 
31 import java.io.*;
32 import java.util.*;
33 
34 
35 public class ArgWithSpaceAndFinalBackslash {
36 
37     private static String getJavaCommand() {
38         String javaHome = System.getProperty("java.home");
39         if (javaHome != null && javaHome.length() > 0)
40             return (javaHome
41                     + File.separatorChar + "bin"
42                     + File.separatorChar + "java");
43         else
44             return "java";
45     }
46 
47     public static void main(String[] args) throws Exception {
48 
49         if (args.length > 0) {
50             System.err.println(args[0]);
51             return;
52         }
53 
54         String[] cmd = new String[5];
55         int i = 0;
56         cmd[i++] = getJavaCommand();
57         cmd[i++] = "-cp";
58         String cp = System.getProperty("test.classes");
59         if (cp == null)
60             cp = ".";
61         cmd[i++] = cp;
62         cmd[i++] = "ArgWithSpaceAndFinalBackslash";
63         cmd[i++] = "foo bar\\baz\\";
64 
65         Process process = Runtime.getRuntime().exec(cmd);
66         InputStream in = process.getErrorStream();
67         byte[] buf = new byte[1024];
68         int n = 0, d;
69         while ((d = in.read(buf, n, buf.length - n)) >= 0)
70             n += d;
71         String s = new String(buf, 0, n, "US-ASCII").trim();
72         if (!s.equals(cmd[i - 1]))
73             throw new Exception("Test failed: Got \"" + s
74                                 + "\", expected \"" + cmd[i - 1] + "\"");
75     }
76 
77 }