Wed, 24 Jun 2015 15:43:06 -0700
Merge
1 /*
2 * Copyright (c) 2008, 2011, 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 4880663 6715757 7031005
27 * @summary javap could output whitespace between class name and opening brace
28 * javap prints "extends java.lang.Object"
29 */
32 import java.io.*;
34 public class T4880663 {
35 public static void main(String[] args) throws Exception {
36 new T4880663().run();
37 }
39 public void run() throws IOException {
40 File javaFile = writeTestFile();
41 File classFile = compileTestFile(javaFile);
42 verify(classFile, "class Test {");
44 if (errors > 0)
45 throw new Error(errors + " found.");
46 }
48 File writeTestFile() throws IOException {
49 File f = new File("Test.java");
50 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
51 out.println("class Test { }");
52 out.close();
53 return f;
54 }
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 }
64 String javap(File classFile) {
65 StringWriter sw = new StringWriter();
66 PrintWriter out = new PrintWriter(sw);
67 int rc = com.sun.tools.javap.Main.run(new String[] { classFile.getPath() }, 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 }
75 void verify(File classFile, String... expects) {
76 String output = javap(classFile);
77 for (String expect: expects) {
78 if (output.indexOf(expect)< 0)
79 error(expect + " not found");
80 }
81 }
83 void error(String msg) {
84 System.err.println(msg);
85 errors++;
86 }
88 int errors;
89 }