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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  *
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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 
31 import java.io.*;
32 
33 public class T8033711 {
main(String[] args)34     public static void main(String[] args) throws Exception {
35         new T8033711().run();
36     }
37 
run()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 
javap(String... args)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