Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javap/T6879371.java
test/tools/javap/T6879371.java
- changeset 402
- 261c54b2312e
- child 554
- 9d9f26857129
equal
deleted
inserted
replaced
| 401:dd98acd9f717 | 402:261c54b2312e |
|---|---|
| 1 /* | |
| 2 * Copyright 2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 */ | |
| 23 | |
| 24 /* | |
| 25 * @test | |
| 26 * @bug 6879371 | |
| 27 * @summary javap does not close internal default file manager | |
| 28 */ | |
| 29 | |
| 30 import java.io.*; | |
| 31 import java.util.zip.*; | |
| 32 | |
| 33 public class T6879371 { | |
| 34 public static void main(String[] args) throws Exception { | |
| 35 new T6879371().run(); | |
| 36 } | |
| 37 | |
| 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(); | |
| 44 | |
| 45 String className = "Test"; | |
| 46 File javaFile = writeTestFile(className); | |
| 47 compileTestFile(classDir, javaFile); | |
| 48 | |
| 49 test(classDir, className, false); | |
| 50 test(classDir, className, true); | |
| 51 } | |
| 52 | |
| 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); | |
| 63 | |
| 64 if (!zipFile.delete()) | |
| 65 throw new Exception("failed to delete " + zipFile); | |
| 66 } finally { | |
| 67 setProperty("useJavaUtilZip", prev); | |
| 68 } | |
| 69 } | |
| 70 | |
| 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 } | |
| 78 | |
| 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 } | |
| 85 | |
| 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 } | |
| 102 | |
| 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 } | |
| 112 | |
| 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 } |
