jdk8-mips64-public/langtools: test/tools/javap/OptionTest.java@7708bd6d800d (annotated)

test/tools/javap/OptionTest.java@7708bd6d800d (annotated)

test/tools/javap/OptionTest.java

Tue, 03 Jun 2008 13:26:47 -0700

author: jjg
date: Tue, 03 Jun 2008 13:26:47 -0700
changeset 46: 7708bd6d800d
child 54: eaf608c64fec
permissions: -rw-r--r--

4075303: Use javap to enquire aboput a specific inner class
4348375: Javap is not internationalized
4459541: "javap -l" shows line numbers as signed short; they should be unsigned
4501660: change diagnostic of -help as 'print this help message and exit'
4776241: unused source file in javap...
4870651: javap should recognize generics, varargs, enum
4876942: javap invoked without args does not print help screen
4880663: javap could output whitespace between class name and opening brace
4975569: javap doesn't print new flag bits
6271787: javap dumps LocalVariableTypeTable attribute in hex, needs to print a table
6305779: javap: support annotations
6439940: Clean up javap implementation
6469569: wrong check of searchpath in JavapEnvironment
6474890: javap does not open .zip files in -classpath
6587786: Javap throws error : "ERROR:Could not find <classname>" for JRE classes
6622215: javap ignores certain relevant access flags
6622216: javap names some attributes incorrectly
6622232: javap gets whitespace confused
6622260: javap prints negative bytes incorrectly in hex
Reviewed-by: ksrini

 /*
  * Copyright 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 import java.io.*;
 import java.util.*;
 /*
  * @test
  * @bug 6439940
  * @summary Cleanup javap implementation
  * @run main/othervm OptionTest
  */
 public class OptionTest {
     public static void main(String[] args) throws Exception {
         new OptionTest().run();
     }
     OptionTest() {
         String v = System.getProperty("view.cmd");
         if (v != null) {
             viewResults = true;
             viewCmd = Arrays.asList(v.split(" +"));
         }
     }
     void run() throws Exception {
         int count = 0;
         int pass = 0;
         // try combinations of options and compare old javap against new javap
         for (int i = 0; i < (1<<8); i++) {
             List<String> options = new ArrayList<String>();
             if ((i & 0x01) != 0)
                 options.add("-c");
             if ((i & 0x02) != 0)
                 options.add("-l");
             if ((i & 0x04) != 0)
                 options.add("-public");
             if ((i & 0x08) != 0)
                 options.add("-protected");
             if ((i & 0x10) != 0)
                 options.add("-package");
             if ((i & 0x20) != 0)
                 options.add("-private");
             if ((i & 0x40) != 0)
                 options.add("-s");
             if ((i & 0x80) != 0)
                 options.add("-verbose");
             count++;
             if (test(options))
                 pass++;
         }
         if (pass < count)
             throw new Error(pass + "/" + count + " test cases passed");
     }
     boolean test(List<String> options) throws Exception {
         String[] args = new String[options.size() + 1];
         options.toArray(args);
         args[args.length - 1] = testClassName;
         String oldOut = runOldJavap(args);
         String newOut = runNewJavap(args);
         boolean ok = oldOut.equals(newOut);
         System.err.println((ok ? "pass" : "FAIL") + ": " + options);
         if (!ok && viewResults)
             view(oldOut, newOut);
         return ok;
     }
     String runOldJavap(String[] args) {
         //System.err.println("OLD: " + Arrays.asList(args));
         PrintStream oldOut = System.out;
         ByteArrayOutputStream out = new ByteArrayOutputStream();
         System.setOut(new PrintStream(out));
         try {
             sun.tools.javap.Main.entry(args);
         } finally {
             System.setOut(oldOut);
         }
         return out.toString();
     }
     String runNewJavap(String[] args) {
         String[] nArgs = new String[args.length + 2];
         nArgs[0] = "-XDcompat";
         nArgs[1] = "-XDignore.symbol.file";
         System.arraycopy(args, 0, nArgs, 2, args.length);
         //System.err.println("NEW: " + Arrays.asList(nArgs));
         StringWriter out = new StringWriter();
         com.sun.tools.javap.Main.run(nArgs, new PrintWriter(out, true));
         return out.toString();
     }
     File write(String text, String suffix) throws IOException {
         File f = File.createTempFile("OptionTest", suffix);
         FileWriter out = new FileWriter(f);
         out.write(text);
         out.close();
         return f;
     }
     void view(String oldOut, String newOut) throws Exception {
         File oldFile = write(oldOut, "old");
         File newFile = write(newOut, "new");
         List<String> cmd = new ArrayList<String>();
         cmd.addAll(viewCmd);
         cmd.add(oldFile.getPath());
         cmd.add(newFile.getPath());
         Process p = new ProcessBuilder(cmd).redirectErrorStream(true).start();
         p.getOutputStream().close();
         String line;
         BufferedReader in = new BufferedReader(new InputStreamReader(p.getInputStream()));
         while ((line = in.readLine()) != null)
             System.err.println(line);
         in.close();
         p.waitFor();
     }
     String testClassName = "java.lang.SecurityManager";
     boolean viewResults;
     List<String> viewCmd;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javap/OptionTest.java@7708bd6d800d (annotated)

test/tools/javap/OptionTest.java