1/* 2 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24/** 25 * @test 26 * @bug 4994049 27 * @summary Unit test for SourcePosition.column with respect to tab expansion 28 * @author Peter von der Ah\u00e9 29 * @modules jdk.javadoc 30 * @run main T4994049 FileWithTabs.java 31 */ 32 33import com.sun.javadoc.*; 34import java.io.*; 35import static com.sun.tools.javadoc.Main.execute; 36 37public class T4994049 extends Doclet { 38 39 public static boolean start(RootDoc root) { 40 for (ClassDoc klass : root.classes()) { 41 for (MethodDoc method : klass.methods()) { 42 if (method.name().equals("tabbedMethod")) { 43 if (method.position().column() == 21) { 44 System.out.println(method.position().column() + ": OK!"); 45 return true; 46 } else { 47 System.err.println(method.position() + ": wrong tab expansion"); 48 return false; 49 } 50 } 51 } 52 } 53 return false; 54 } 55 56 public static void main(String... args) throws Exception { 57 File testSrc = new File(System.getProperty("test.src")); 58 File tmpSrc = new File("tmpSrc"); 59 initTabs(testSrc, tmpSrc); 60 61 for (String file : args) { 62 File source = new File(tmpSrc, file); 63 int rc = execute("javadoc", "T4994049", T4994049.class.getClassLoader(), 64 new String[]{ source.getPath() } ); 65 if (rc != 0) 66 throw new Error("Unexpected return code from javadoc: " + rc); 67 } 68 } 69 70 static void initTabs(File from, File to) throws IOException { 71 for (File f: from.listFiles()) { 72 File t = new File(to, f.getName()); 73 if (f.isDirectory()) { 74 initTabs(f, t); 75 } else if (f.getName().endsWith(".java")) { 76 write(t, read(f).replace("\\t", "\t")); 77 } 78 } 79 } 80 81 static String read(File f) throws IOException { 82 StringBuilder sb = new StringBuilder(); 83 try (BufferedReader in = new BufferedReader(new FileReader(f))) { 84 String line; 85 while ((line = in.readLine()) != null) { 86 sb.append(line); 87 sb.append("\n"); 88 } 89 } 90 return sb.toString(); 91 } 92 93 static void write(File f, String s) throws IOException { 94 f.getParentFile().mkdirs(); 95 try (Writer out = new FileWriter(f)) { 96 out.write(s); 97 } 98 } 99 100} 101