test/tools/javap/T4501660.java

changeset 46
7708bd6d800d
child 554
9d9f26857129
equal deleted inserted replaced
42:f7e64b33d5a4 46:7708bd6d800d
1 /*
2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /*
25 * @test
26 * @bug 4501660
27 * @summary change diagnostic of -help as 'print this help message and exit'
28 * (actually, verify -help does not cause premature exit)
29 */
30
31 import java.io.*;
32 import java.util.zip.*;
33
34 public class T4501660 {
35 public static void main(String[] args) throws Exception {
36 new T4501660().run();
37 }
38
39 public void run() throws IOException {
40 String testClasses = System.getProperty("test.classes", ".");
41 String output = javap("-classpath", testClasses, "-help", "T4501660");
42 verify(output,
43 "-public", "-protected", "-private", // check -help output is present
44 "class T4501660" // check class output is present
45 );
46
47 if (errors > 0)
48 throw new Error(errors + " found.");
49 }
50
51 String javap(String... args) {
52 StringWriter sw = new StringWriter();
53 PrintWriter out = new PrintWriter(sw);
54 //sun.tools.javap.Main.entry(args);
55 int rc = com.sun.tools.javap.Main.run(args, out);
56 if (rc != 0)
57 throw new Error("javap failed. rc=" + rc);
58 out.close();
59 System.out.println(sw);
60 return sw.toString();
61 }
62
63 void verify(String output, String... expects) {
64 for (String expect: expects) {
65 if (output.indexOf(expect)< 0)
66 error(expect + " not found");
67 }
68 }
69
70 void error(String msg) {
71 System.err.println(msg);
72 errors++;
73 }
74
75 int errors;
76 }

mercurial