Mon, 12 Jul 2010 19:43:19 -0700
Merge
1 /*
2 * Copyright (c) 2010, 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 */
24 /*
25 * @test
26 * @bug 6893943 6937318
27 * @summary exit code from javah with no args is 0
28 */
30 import java.io.*;
31 import java.util.*;
33 public class T6893943 {
34 static final String[] NO_ARGS = { };
35 static final String[] HELP = { "-help" };
36 static final String NEWLINE = System.getProperty("line.separator");
38 public static void main(String... args) throws Exception {
39 new T6893943().run();
40 }
42 void run() throws Exception {
43 testSimpleAPI(NO_ARGS, 1);
44 testSimpleAPI(HELP, 0);
45 testCommand(NO_ARGS, 1);
46 testCommand(HELP, 0);
47 }
49 void testSimpleAPI(String[] args, int expect_rc) throws Exception {
50 System.err.println("Test simple api: " + Arrays.asList(args));
51 StringWriter sw = new StringWriter();
52 PrintWriter pw = new PrintWriter(sw);
53 int rc = com.sun.tools.javah.Main.run(args, pw);
54 pw.close();
55 expect("testSimpleAPI", sw.toString(), rc, expect_rc);
56 }
58 void testCommand(String[] args, int expect_rc) throws Exception {
59 System.err.println("Test command: " + Arrays.asList(args));
60 File javaHome = new File(System.getProperty("java.home"));
61 if (javaHome.getName().equals("jre"))
62 javaHome = javaHome.getParentFile();
64 List<String> command = new ArrayList<String>();
65 command.add(new File(new File(javaHome, "bin"), "javah").getPath());
66 command.add("-J-Xbootclasspath:" + System.getProperty("sun.boot.class.path"));
67 command.addAll(Arrays.asList(args));
68 //System.err.println("command: " + command);
70 ProcessBuilder pb = new ProcessBuilder(command);
71 pb.redirectErrorStream(true);
72 Process p = pb.start();
73 p.getOutputStream().close();
74 StringWriter sw = new StringWriter();
75 String line;
76 BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
77 while ((line = in.readLine()) != null)
78 sw.write(line + NEWLINE);
79 int rc = p.waitFor();
80 expect("testCommand", sw.toString(), rc, expect_rc);
81 }
83 void expect(String name, String out, int actual_rc, int expect_rc) throws Exception {
84 if (out.isEmpty())
85 throw new Exception("No output from javah");
87 if (!out.startsWith("Usage:")) {
88 System.err.println(out);
89 throw new Exception("Unexpected output from javah");
90 }
92 if (actual_rc != expect_rc)
93 throw new Exception(name + ": unexpected exit: " + actual_rc + ", expected: " + expect_rc);
94 }
95 }