T4994049.java revision 709:68cf07910d74 
1/*
2 * Copyright (c) 2005, 2008, 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     4994049
27 * @summary Unit test for SourcePosition.column with respect to tab expansion
28 * @author  Peter von der Ah\u00e9
29 * @run main T4994049 FileWithTabs.java
30 */
31
32import com.sun.javadoc.*;
33import java.io.*;
34import static com.sun.tools.javadoc.Main.execute;
35
36public class T4994049 extends Doclet {
37
38    public static boolean start(RootDoc root) {
39        for (ClassDoc klass : root.classes()) {
40            for (MethodDoc method : klass.methods()) {
41                if (method.name().equals("tabbedMethod")) {
42                    if (method.position().column() == 21) {
43                        System.out.println(method.position().column() + ": OK!");
44                        return true;
45                    } else {
46                        System.err.println(method.position() + ": wrong tab expansion");
47                        return false;
48                    }
49                }
50            }
51        }
52        return false;
53    }
54
55    public static void main(String... args) throws Exception {
56        File testSrc = new File(System.getProperty("test.src"));
57        File tmpSrc = new File("tmpSrc");
58        initTabs(testSrc, tmpSrc);
59
60        for (String file : args) {
61            File source = new File(tmpSrc, file);
62            int rc = execute("javadoc", "T4994049", T4994049.class.getClassLoader(),
63                        new String[]{ source.getPath() } );
64            if (rc != 0)
65                throw new Error("Unexpected return code from javadoc: " + rc);
66        }
67    }
68
69    static void initTabs(File from, File to) throws IOException {
70        for (File f: from.listFiles()) {
71            File t = new File(to, f.getName());
72            if (f.isDirectory()) {
73                initTabs(f, t);
74            } else if (f.getName().endsWith(".java")) {
75                write(t, read(f).replace("\\t", "\t"));
76            }
77        }
78    }
79
80    static String read(File f) throws IOException {
81        StringBuilder sb = new StringBuilder();
82        try (BufferedReader in = new BufferedReader(new FileReader(f))) {
83            String line;
84            while ((line = in.readLine()) != null) {
85                sb.append(line);
86                sb.append("\n");
87            }
88        }
89        return sb.toString();
90    }
91
92    static void write(File f, String s) throws IOException {
93        f.getParentFile().mkdirs();
94        try (Writer out = new FileWriter(f)) {
95            out.write(s);
96        }
97    }
98
99}
100