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

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

test/tools/javap/ListTest.java

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

author: jjg
date: Tue, 03 Jun 2008 13:26:47 -0700
changeset 46: 7708bd6d800d
child 164: 5ebe90e0afff
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 2008 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.*;
 import javax.tools.*;
 /*
  * @test
  * @bug 6439940
  * @summary Cleanup javap implementation
  * @run main/othervm ListTest
  */
 public class ListTest {
     public static void main(String[] args) throws Exception {
         new ListTest().run();
     }
     ListTest() {
         String v = System.getProperty("view.cmd");
         //      v = "/opt/teamware/7.7/bin/filemerge -r";
         if (v != null) {
             viewResults = true;
             viewCmd = Arrays.asList(v.split(" +"));
         }
     }
     void run() throws Exception {
         StandardLocation[] locs = new StandardLocation[] {
             StandardLocation.PLATFORM_CLASS_PATH,
             StandardLocation.CLASS_PATH,
         };
         int count = 0;
         int pass = 0;
         for (StandardLocation loc: locs) {
             for (String testClassName: list(loc)) {
                 count++;
                 if (test(testClassName))
                     pass++;
             }
         }
         if (pass < count)
             throw new Error(pass + "/" + count + " test cases passed");
     }
     Iterable<String> list(StandardLocation loc) throws IOException {
         JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
         StandardJavaFileManager sfm = compiler.getStandardFileManager(null, null, null);
         Set<JavaFileObject.Kind> kinds = Collections.singleton(JavaFileObject.Kind.CLASS);
         List<String> list = new ArrayList<String>();
         for (JavaFileObject fo: sfm.list(loc, testPackage, kinds, true)) {
             //System.err.println(com.sun.tools.javac.util.Old199.getPath(fo));
             list.add(sfm.inferBinaryName(loc, fo));
         }
         return list;
     }
     boolean test(String testClassName) 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") + ": " + testClassName);
         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("ListTest", 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 testPackage = "java.lang";
     List<String> options = Arrays.asList("-v");
     boolean viewResults;
     List<String> viewCmd;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

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

test/tools/javap/ListTest.java