| /* |
| * Copyright (c) 2005, 2016, 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 4994049 |
| * @summary Unit test for SourcePosition.column with respect to tab expansion |
| * @author Peter von der Ah\u00e9 |
| * @modules jdk.javadoc/jdk.javadoc.internal.tool |
| * @run main T4994049 FileWithTabs.java |
| */ |
| |
| import java.io.*; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Locale; |
| import java.util.Set; |
| |
| import javax.lang.model.SourceVersion; |
| import javax.lang.model.element.ElementKind; |
| import javax.lang.model.element.ExecutableElement; |
| import javax.lang.model.element.TypeElement; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.tree.LineMap; |
| import com.sun.source.util.DocTrees; |
| import com.sun.source.util.SourcePositions; |
| import com.sun.source.util.TreePath; |
| import jdk.javadoc.doclet.Doclet; |
| import jdk.javadoc.doclet.Reporter; |
| import jdk.javadoc.doclet.DocletEnvironment; |
| |
| import static jdk.javadoc.internal.tool.Main.execute; |
| |
| public class T4994049 implements Doclet { |
| |
| public boolean run(DocletEnvironment root) { |
| DocTrees trees = root.getDocTrees(); |
| |
| SourcePositions sourcePositions = trees.getSourcePositions(); |
| for (TypeElement klass : root.getIncludedClasses()) { |
| for (ExecutableElement method : getMethods(klass)) { |
| if (method.getSimpleName().toString().equals("tabbedMethod")) { |
| TreePath path = trees.getPath(method); |
| CompilationUnitTree cu = path.getCompilationUnit(); |
| long pos = sourcePositions.getStartPosition(cu, path.getLeaf()); |
| LineMap lineMap = cu.getLineMap(); |
| long columnNumber = lineMap.getColumnNumber(pos); |
| if (columnNumber == 9) { |
| System.out.println(columnNumber + ": OK!"); |
| return true; |
| } else { |
| System.err.println(columnNumber + ": wrong tab expansion"); |
| return false; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| public static void main(String... args) throws Exception { |
| File testSrc = new File(System.getProperty("test.src")); |
| File tmpSrc = new File("tmpSrc"); |
| initTabs(testSrc, tmpSrc); |
| |
| |
| for (String file : args) { |
| File source = new File(tmpSrc, file); |
| String[] array = { |
| "-docletpath", System.getProperty("test.classes", "."), |
| "-doclet", "T4994049", |
| source.getPath() |
| }; |
| int rc = execute(array); |
| if (rc != 0) |
| throw new Error("Unexpected return code from javadoc: " + rc); |
| } |
| } |
| |
| static void initTabs(File from, File to) throws IOException { |
| for (File f: from.listFiles()) { |
| File t = new File(to, f.getName()); |
| if (f.isDirectory()) { |
| initTabs(f, t); |
| } else if (f.getName().endsWith(".java")) { |
| write(t, read(f).replace("\\t", "\t")); |
| } |
| } |
| } |
| |
| static String read(File f) throws IOException { |
| StringBuilder sb = new StringBuilder(); |
| try (BufferedReader in = new BufferedReader(new FileReader(f))) { |
| String line; |
| while ((line = in.readLine()) != null) { |
| sb.append(line); |
| sb.append("\n"); |
| } |
| } |
| return sb.toString(); |
| } |
| |
| static void write(File f, String s) throws IOException { |
| f.getParentFile().mkdirs(); |
| try (Writer out = new FileWriter(f)) { |
| out.write(s); |
| } |
| } |
| |
| List<ExecutableElement> getMethods(TypeElement klass) { |
| List<ExecutableElement> methods = new ArrayList<>(); |
| klass.getEnclosedElements() |
| .stream() |
| .filter((e) -> (e.getKind() == ElementKind.METHOD)) |
| .forEach((e) -> { |
| methods.add((ExecutableElement) e); |
| }); |
| return methods; |
| } |
| |
| @Override |
| public String getName() { |
| return "Test"; |
| } |
| |
| @Override |
| public Set<Option> getSupportedOptions() { |
| return Collections.emptySet(); |
| } |
| |
| @Override |
| public SourceVersion getSupportedSourceVersion() { |
| return SourceVersion.latest(); |
| } |
| |
| @Override |
| public void init(Locale locale, Reporter reporter) { |
| return; |
| } |
| } |