test/tools/javap/InvalidOptions.java

changeset 2181
658861d1b36e
child 2289
3fbda1dca565
equal deleted inserted replaced
2180:106b8fa32d71 2181:658861d1b36e
1 /*
2 * Copyright (c) 2013, 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 8027411
27 * @summary test invalid options -h and -b
28 */
29
30 import java.io.*;
31 import java.util.zip.*;
32
33 public class InvalidOptions {
34 int errorCount;
35 String log;
36
37 public static void main(String[] args) throws Exception {
38 new InvalidOptions().run();
39 }
40
41 void run() throws Exception {
42 test(2, "-h", "Error: -h is no longer available - use the javah program");
43 test(2, "-b", "Error: unknown option: -b",
44 "Usage: javap <options> <classes>",
45 "use -help for a list of possible options");
46 if (errorCount > 0)
47 throw new Exception(errorCount + " errors received");
48 }
49
50 void test(int expect, String option, String ... expectedOutput) {
51 String output = runJavap(expect, option);
52 verify(output, expectedOutput);
53 }
54
55 String runJavap(int expect, String... option) {
56 StringWriter sw = new StringWriter();
57 PrintWriter pw = new PrintWriter(sw);
58 int rc = com.sun.tools.javap.Main.run(option, pw);
59 pw.close();
60 System.out.println("javap prints:");
61 System.out.println(sw);
62 if (rc != expect)
63 throw new Error("Expect to return " + expect + ", but return " + rc);
64 return sw.toString();
65 }
66
67 void verify(String output, String... expects) {
68 for (String expect: expects) {
69 if (!output.contains(expect))
70 error(expect + " not found");
71 }
72 }
73
74 void error(String msg) {
75 System.err.println(msg);
76 errorCount++;
77 }
78 }

mercurial