Wed, 21 Sep 2011 21:56:53 -0700
7092965: javac should not close processorClassLoader before end of compilation
Reviewed-by: darcy
1 /*
2 * Copyright (c) 2008, 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 4459541
27 * @summary "javap -l" shows line numbers as signed short; they should be unsigned.
28 */
30 import java.io.*;
32 public class T4459541 {
33 public static void main(String[] args) throws Exception {
34 new T4459541().run();
35 }
37 public void run() throws IOException {
38 File javaFile = writeTestFile();
39 File classFile = compileTestFile(javaFile);
40 String output = javap(classFile);
41 verify(output);
42 }
44 File writeTestFile() throws IOException {
45 File f = new File("Test.java");
46 out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
47 println("class Test {");
48 println("void begin(int i) {");
49 println("i++;");
50 println("i++;");
51 println("}");
52 while (line < 32750)
53 println("// " + line);
54 println("void before_32767(int i) {");
55 println("i++;");
56 println("i++;");
57 println("}");
58 while (line < 32768-4)
59 println("// " + line);
60 println("void straddle_32768(int i) {");
61 while (line < 32768+4)
62 println("i++;");
63 println("}");
64 while (line < 65520)
65 println("// " + line);
66 println("void between_32768_and_65536(int i) {");
67 println("i++;");
68 println("i++;");
69 println("}");
70 while (line < 65536-4)
71 println("// " + line);
72 println("void straddle_65536(int i) {");
73 while (line < 65536+4)
74 println("i++;");
75 println("}");
76 println("}");
77 out.close();
78 return f;
79 }
81 File compileTestFile(File f) {
82 int rc = com.sun.tools.javac.Main.compile(new String[] { f.getPath() });
83 if (rc != 0)
84 throw new Error("compilation failed. rc=" + rc);
85 String path = f.getPath();
86 return new File(path.substring(0, path.length() - 5) + ".class");
87 }
89 String javap(File f) {
90 StringWriter sw = new StringWriter();
91 PrintWriter out = new PrintWriter(sw);
92 int rc = com.sun.tools.javap.Main.run(new String[] { "-l", f.getPath() }, out);
93 if (rc != 0)
94 throw new Error("javap failed. rc=" + rc);
95 out.close();
96 return sw.toString();
97 }
99 void verify(String output) {
100 System.out.println(output);
101 if (output.indexOf("-") >= 0)
102 throw new Error("- found in output");
103 }
105 void println(String text) {
106 out.println(text);
107 line++;
108 }
110 PrintWriter out;
111 int line = 1;
112 }