1/*
2 * Copyright (c) 2013, 2015, 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 8006037
27 * @summary extra space in javac -help for -J and @ options
28 * @modules jdk.compiler
29 */
30
31import java.io.PrintWriter;
32import java.io.StringWriter;
33
34public class Option_J_At_Test {
35    public static void main(String... args) throws Exception {
36        new Option_J_At_Test().run();
37    }
38
39    void run() throws Exception {
40        StringWriter sw = new StringWriter();
41        PrintWriter pw = new PrintWriter(sw);
42        String[] help = { "-help" };
43        int rc = com.sun.tools.javac.Main.compile(help, pw);
44        pw.flush();
45        String out = sw.toString();
46        System.out.println(out);
47        check(out, "-J<flag>",     true);
48        check(out, "-J <flag>",    false);
49        check(out, "@<filename>",  true);
50        check(out, "@ <filename>", false);
51        if (errors > 0)
52            throw new Exception(errors + " errors found");
53    }
54
55    void check(String out, String text, boolean expect) {
56        if (out.contains(text) != expect) {
57            if (expect)
58                error("expected string not found: " + text);
59            else
60                error("unexpected string found: " + text);
61        }
62    }
63
64    void error(String msg) {
65        System.err.println("Error: " + msg);
66        errors++;
67    }
68
69    int errors;
70}
71