jdk8-mips64-public/langtools: test/tools/javap/T6879371.java@4a48f3173534 (annotated)

test/tools/javap/T6879371.java@4a48f3173534 (annotated)

test/tools/javap/T6879371.java

Thu, 04 Apr 2013 19:05:42 -0700

author: katleman
date: Thu, 04 Apr 2013 19:05:42 -0700
changeset 1662: 4a48f3173534
parent 554: 9d9f26857129
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Added tag jdk8-b84 for changeset cfb65ca92082

 /*
  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
 /*
  * @test
  * @bug 6879371
  * @summary javap does not close internal default file manager
  */
 import java.io.*;
 import java.util.zip.*;
 public class T6879371 {
     public static void main(String[] args) throws Exception {
         new T6879371().run();
     }
     public void run() throws Exception {
         // create a simple test class which we can put into
         // a test zip file and know that it will be used by
         // javap.
         File classDir = new File("classes");
         classDir.mkdir();
         String className = "Test";
         File javaFile = writeTestFile(className);
         compileTestFile(classDir, javaFile);
         test(classDir, className, false);
         test(classDir, className, true);
     }
     void test(File classDir, String className, boolean useJavaUtilZip) throws Exception {
         // javac should really not be using system properties like this
         // -- it should really be using (hidden) options -- but until then
         // take care to leave system properties as we find them, so as not
         // to adversely affect other tests that might follow.
         String prev = System.getProperty("useJavaUtilZip");
         setProperty("useJavaUtilZip", (useJavaUtilZip ? "true" : null));
         try {
             File zipFile = zip(classDir, new File(classDir + ".zip"));
             javap("-classpath", zipFile.getPath(), className);
             if (!zipFile.delete())
                 throw new Exception("failed to delete " + zipFile);
         } finally {
             setProperty("useJavaUtilZip", prev);
         }
     }
     File writeTestFile(String name) throws IOException {
         File f = new File(name + ".java");
         PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
         out.println("class " + name + " { }");
         out.close();
         return f;
     }
     void compileTestFile(File classDir, File file) {
         int rc = com.sun.tools.javac.Main.compile(
            new String[] { "-d", classDir.getPath(), file.getPath() });
         if (rc != 0)
             throw new Error("compilation failed. rc=" + rc);
     }
     File zip(File dir, File zipFile) throws IOException {
         ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(zipFile));
         for (File file: dir.listFiles()) {
             if (file.isFile()) {
                 byte[] data = new byte[(int) file.length()];
                 DataInputStream in = new DataInputStream(new FileInputStream(file));
                 in.readFully(data);
                 in.close();
                 zipOut.putNextEntry(new ZipEntry(file.getName()));
                 zipOut.write(data, 0, data.length);
                 zipOut.closeEntry();
             }
         }
         zipOut.close();
         return zipFile;
     }
     String javap(String... args) {
         StringWriter sw = new StringWriter();
         PrintWriter out = new PrintWriter(sw);
         int rc = com.sun.tools.javap.Main.run(args, out);
         if (rc != 0)
             throw new Error("javap failed. rc=" + rc);
         out.close();
         return sw.toString();
     }
     void setProperty(String key, String value) {
         if (value != null)
             System.setProperty(key, value);
         else
             System.getProperties().remove(key);
     }
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javap/T6879371.java@4a48f3173534 (annotated)

test/tools/javap/T6879371.java