T8033711.java revision 3294:9adfb22ff08f 
1/*
2 * Copyright (c) 2014, 2016, 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 8033711
27 * @summary An exception is thrown if using the "-classpath" option with no arguments
28 * @modules jdk.jdeps/com.sun.tools.javap
29 */
30
31import java.io.*;
32
33public class T8033711 {
34    public static void main(String[] args) throws Exception {
35        new T8033711().run();
36    }
37
38    public void run() throws Exception {
39        String out = javap("-classpath");
40        if (out.contains("IllegalArgumentException"))
41            throw new Exception("exception found in javap output");
42        if (!out.contains("Error: invalid use of option"))
43            throw new Exception("expected error message not found in javap output");
44    }
45
46    String javap(String... args) {
47        StringWriter sw = new StringWriter();
48        PrintWriter out = new PrintWriter(sw);
49        int rc = com.sun.tools.javap.Main.run(args, out);
50        out.close();
51        System.out.println(sw.toString());
52        System.out.println("javap exited, rc=" + rc);
53        return sw.toString();
54    }
55}
56