jdk8-mips64-public/langtools: test/tools/javac/nativeHeaders/javahComparison/CompareTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/javahComparison/CompareTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/javahComparison/CompareTest.java

Wed, 08 Oct 2014 14:16:40 -0700

author: asaha
date: Wed, 08 Oct 2014 14:16:40 -0700
changeset 2586: f5e5ca7505e2
parent 1723: a2889739cf21
child 2525: 2eb010b6cb22
permissions: -rw-r--r--

Merge

 /*
  * Copyright (c) 2007, 2013, 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 7150368 8003412 8000407
  * @summary javac should include basic ability to generate native headers
  */
 import java.io.File;
 import java.io.IOException;
 import java.io.PrintWriter;
 import java.nio.file.Files;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 public class CompareTest {
     public static void main(String... args) throws Exception {
         new CompareTest().run();
     }
     void run() throws Exception {
         File srcDir = new File(System.getProperty("test.src"));
         File classesDir = new File("classes");
         classesDir.mkdirs();
         File javacHeaders = new File("headers.javac");
         javacHeaders.mkdirs();
         File javahHeaders = new File("headers.javah");
         javahHeaders.mkdirs();
         List<String> javacArgs = new ArrayList<String>();
         javacArgs.add("-d");
         javacArgs.add(classesDir.getPath());
         javacArgs.add("-h");
         javacArgs.add(javacHeaders.getPath());
         javacArgs.add("-XDjavah:full");
         for (File f: srcDir.listFiles()) {
             if (f.getName().matches("TestClass[0-9]+\\.java")) {
                 sourceFileCount++;
                 javacArgs.add(f.getPath());
             }
         }
         int rc = com.sun.tools.javac.Main.compile(javacArgs.toArray(new String[javacArgs.size()]));
         if (rc != 0)
             throw new Exception("javac failed; rc=" + rc);
         List<String> javahArgs = new ArrayList<String>();
         javahArgs.add("-d");
         javahArgs.add(javahHeaders.getPath());
         for (File f: classesDir.listFiles()) {
             if (f.getName().endsWith(".class")) {
                 javahArgs.add(inferBinaryName(f));
             }
         }
         PrintWriter pw = new PrintWriter(System.out, true);
         rc = com.sun.tools.javah.Main.run(javahArgs.toArray(new String[javahArgs.size()]), pw);
         if (rc != 0)
             throw new Exception("javah failed; rc=" + rc);
         compare(javahHeaders, javacHeaders);
         int javahHeaderCount = javahHeaders.list().length;
         int javacHeaderCount = javacHeaders.list().length;
         System.out.println(sourceFileCount + " .java files found");
         System.out.println(javacHeaderCount + " .h files generated by javac");
         System.out.println(javahHeaderCount + " .h files generated by javah");
         System.out.println(compareCount + " header files compared");
         if (javacHeaderCount != javahHeaderCount || javacHeaderCount != compareCount)
             error("inconsistent counts");
         if (errors > 0)
             throw new Exception(errors + " errors occurred");
     }
     String inferBinaryName(File file) {
         String name = file.getName();
         return name.substring(0, name.length() - ".class".length()).replace("$", ".");
     }
     /** Compare two directories.
      *  @param f1 The golden directory
      *  @param f2 The directory to be compared
      */
     void compare(File f1, File f2) {
         compare(f1, f2, null);
     }
     /** Compare two files or directories
      *  @param f1 The golden directory
      *  @param f2 The directory to be compared
      *  @param p An optional path identifying a file within the two directories
      */
     void compare(File f1, File f2, String p) {
         File f1p = (p == null ? f1 : new File(f1, p));
         File f2p = (p == null ? f2 : new File(f2, p));
         if (f1p.isDirectory() && f2p.isDirectory()) {
             Set<String> children = new HashSet<String>();
             children.addAll(Arrays.asList(f1p.list()));
             children.addAll(Arrays.asList(f2p.list()));
             for (String c: children) {
                 compare(f1, f2, new File(p, c).getPath()); // null-safe for p
             }
         }
         else if (f1p.isFile() && f2p.isFile()) {
             System.out.println("checking " + p);
             compareCount++;
             String s1 = read(f1p);
             String s2 = read(f2p);
             if (!s1.equals(s2)) {
                 System.out.println("File: " + f1p + "\n" + s1);
                 System.out.println("File: " + f2p + "\n" + s2);
                 error("Files differ: " + f1p + " " + f2p);
             }
         }
         else if (f1p.exists() && !f2p.exists())
             error("Only in " + f1 + ": " + p);
         else if (f2p.exists() && !f1p.exists())
             error("Only in " + f2 + ": " + p);
         else
             error("Files differ: " + f1p + " " + f2p);
     }
     private String read(File f) {
         try {
             return new String(Files.readAllBytes(f.toPath()));
         } catch (IOException e) {
             error("error reading " + f + ": " + e);
             return "";
         }
     }
     private void error(String msg) {
         System.out.println(msg);
         errors++;
     }
     private int errors;
     private int compareCount;
     private int sourceFileCount;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/nativeHeaders/javahComparison/CompareTest.java@f5e5ca7505e2 (annotated)

test/tools/javac/nativeHeaders/javahComparison/CompareTest.java