aoqi@0: /*
aoqi@0:  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug     4994049
aoqi@0:  * @summary Unit test for SourcePosition.column with respect to tab expansion
aoqi@0:  * @author  Peter von der Ah\u00e9
aoqi@0:  * @run main T4994049 FileWithTabs.java
aoqi@0:  */
aoqi@0: 
aoqi@0: import com.sun.javadoc.*;
aoqi@0: import java.io.*;
aoqi@0: import static com.sun.tools.javadoc.Main.execute;
aoqi@0: 
aoqi@0: public class T4994049 extends Doclet {
aoqi@0: 
aoqi@0:     public static boolean start(RootDoc root) {
aoqi@0:         for (ClassDoc klass : root.classes()) {
aoqi@0:             for (MethodDoc method : klass.methods()) {
aoqi@0:                 if (method.name().equals("tabbedMethod")) {
aoqi@0:                     if (method.position().column() == 21) {
aoqi@0:                         System.out.println(method.position().column() + ": OK!");
aoqi@0:                         return true;
aoqi@0:                     } else {
aoqi@0:                         System.err.println(method.position() + ": wrong tab expansion");
aoqi@0:                         return false;
aoqi@0:                     }
aoqi@0:                 }
aoqi@0:             }
aoqi@0:         }
aoqi@0:         return false;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String... args) throws Exception {
aoqi@0:         File testSrc = new File(System.getProperty("test.src"));
aoqi@0:         File tmpSrc = new File("tmpSrc");
aoqi@0:         initTabs(testSrc, tmpSrc);
aoqi@0: 
aoqi@0:         for (String file : args) {
aoqi@0:             File source = new File(tmpSrc, file);
aoqi@0:             int rc = execute("javadoc", "T4994049", T4994049.class.getClassLoader(),
aoqi@0:                         new String[]{ source.getPath() } );
aoqi@0:             if (rc != 0)
aoqi@0:                 throw new Error("Unexpected return code from javadoc: " + rc);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void initTabs(File from, File to) throws IOException {
aoqi@0:         for (File f: from.listFiles()) {
aoqi@0:             File t = new File(to, f.getName());
aoqi@0:             if (f.isDirectory()) {
aoqi@0:                 initTabs(f, t);
aoqi@0:             } else if (f.getName().endsWith(".java")) {
aoqi@0:                 write(t, read(f).replace("\\t", "\t"));
aoqi@0:             }
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     static String read(File f) throws IOException {
aoqi@0:         StringBuilder sb = new StringBuilder();
aoqi@0:         try (BufferedReader in = new BufferedReader(new FileReader(f))) {
aoqi@0:             String line;
aoqi@0:             while ((line = in.readLine()) != null) {
aoqi@0:                 sb.append(line);
aoqi@0:                 sb.append("\n");
aoqi@0:             }
aoqi@0:         }
aoqi@0:         return sb.toString();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void write(File f, String s) throws IOException {
aoqi@0:         f.getParentFile().mkdirs();
aoqi@0:         try (Writer out = new FileWriter(f)) {
aoqi@0:             out.write(s);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0: }