T4075403.java revision 2942:08092deced3f 
1/*
2 * Copyright (c) 2008, 2015, 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 4075403
27 * @summary Use javap to inquire about a specific inner class
28 * @modules jdk.jdeps
29 */
30
31
32import java.io.*;
33
34public class T4075403 {
35    public static void main(String[] args) throws Exception {
36        new T4075403().run();
37    }
38
39    public void run() throws IOException {
40
41        File javaFile = writeTestFile();
42        File classFile = compileTestFile(javaFile);
43        javap("Outer.Inner");
44    }
45
46    File writeTestFile() throws IOException {
47        File f = new File("Outer.java");
48        PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
49        out.println("class Outer { ");
50        out.println("    class Inner { }");
51        out.println("}");
52        out.close();
53        return f;
54    }
55
56    File compileTestFile(File f) {
57        int rc = com.sun.tools.javac.Main.compile(new String[] { "-g", f.getPath() });
58        if (rc != 0)
59            throw new Error("compilation failed. rc=" + rc);
60        String path = f.getPath();
61        return new File(path.substring(0, path.length() - 5) + ".class");
62    }
63
64    String javap(String className) {
65        StringWriter sw = new StringWriter();
66        PrintWriter out = new PrintWriter(sw);
67        int rc = com.sun.tools.javap.Main.run(new String[] { "-classpath", ".", className }, out);
68        if (rc != 0)
69            throw new Error("javap failed. rc=" + rc);
70        out.close();
71        System.out.println(sw.toString());
72        return sw.toString();
73    }
74}
75