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) 2009, 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 6879371
27 * @summary javap does not close internal default file manager
28 */
30 import java.io.*;
31 import java.util.zip.*;
33 public class T6879371 {
34 public static void main(String[] args) throws Exception {
35 new T6879371().run();
36 }
38 public void run() throws Exception {
39 // create a simple test class which we can put into
40 // a test zip file and know that it will be used by
41 // javap.
42 File classDir = new File("classes");
43 classDir.mkdir();
45 String className = "Test";
46 File javaFile = writeTestFile(className);
47 compileTestFile(classDir, javaFile);
49 test(classDir, className, false);
50 test(classDir, className, true);
51 }
53 void test(File classDir, String className, boolean useJavaUtilZip) throws Exception {
54 // javac should really not be using system properties like this
55 // -- it should really be using (hidden) options -- but until then
56 // take care to leave system properties as we find them, so as not
57 // to adversely affect other tests that might follow.
58 String prev = System.getProperty("useJavaUtilZip");
59 setProperty("useJavaUtilZip", (useJavaUtilZip ? "true" : null));
60 try {
61 File zipFile = zip(classDir, new File(classDir + ".zip"));
62 javap("-classpath", zipFile.getPath(), className);
64 if (!zipFile.delete())
65 throw new Exception("failed to delete " + zipFile);
66 } finally {
67 setProperty("useJavaUtilZip", prev);
68 }
69 }
71 File writeTestFile(String name) throws IOException {
72 File f = new File(name + ".java");
73 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
74 out.println("class " + name + " { }");
75 out.close();
76 return f;
77 }
79 void compileTestFile(File classDir, File file) {
80 int rc = com.sun.tools.javac.Main.compile(
81 new String[] { "-d", classDir.getPath(), file.getPath() });
82 if (rc != 0)
83 throw new Error("compilation failed. rc=" + rc);
84 }
86 File zip(File dir, File zipFile) throws IOException {
87 ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
88 for (File file: dir.listFiles()) {
89 if (file.isFile()) {
90 byte[] data = new byte[(int) file.length()];
91 DataInputStream in = new DataInputStream(new FileInputStream(file));
92 in.readFully(data);
93 in.close();
94 zipOut.putNextEntry(new ZipEntry(file.getName()));
95 zipOut.write(data, 0, data.length);
96 zipOut.closeEntry();
97 }
98 }
99 zipOut.close();
100 return zipFile;
101 }
103 String javap(String... args) {
104 StringWriter sw = new StringWriter();
105 PrintWriter out = new PrintWriter(sw);
106 int rc = com.sun.tools.javap.Main.run(args, out);
107 if (rc != 0)
108 throw new Error("javap failed. rc=" + rc);
109 out.close();
110 return sw.toString();
111 }
113 void setProperty(String key, String value) {
114 if (value != null)
115 System.setProperty(key, value);
116 else
117 System.getProperties().remove(key);
118 }
119 }