| /* |
| * Copyright (c) 2010, 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. |
| */ |
| |
| import java.io.BufferedWriter; |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| import java.io.StringWriter; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import javax.lang.model.element.Element; |
| import javax.tools.DiagnosticCollector; |
| import javax.tools.JavaCompiler; |
| import javax.tools.JavaFileObject; |
| import javax.tools.StandardJavaFileManager; |
| import javax.tools.ToolProvider; |
| |
| import com.sun.source.tree.CompilationUnitTree; |
| import com.sun.source.util.JavacTask; |
| |
| /** |
| * @test |
| * @bug 6956638 |
| * @summary JavacTask.generate does not generate all required files |
| */ |
| public class T6956638 { |
| public static void main(String[] args) throws Exception { |
| new T6956638().run(); |
| } |
| |
| void run() throws Exception { |
| File srcDir = new File("src"); |
| |
| File[] files = { |
| writeFile(new File(srcDir, "T1.java"), |
| "public class T1 extends T2 {}\n"), |
| writeFile(new File(srcDir, "T2.java"), |
| "public class T2 extends T3 {}\n"), |
| writeFile(new File(srcDir, "T3.java"), |
| "public class T3 { public static final int C = 1; }\n"), |
| writeFile(new File(srcDir, "Test.java"), |
| "public class Test { public static final int D = T1.C; }\n") |
| }; |
| |
| for (File f1: files) { |
| for (File f2: files) { |
| if (f2 == f1) continue; |
| for (File f3: files) { |
| if (f3 == f2 || f3 == f1) continue; |
| for (File f4: files) { |
| if (f4 == f3 || f4 == f2 || f4 == f1) continue; |
| try { |
| test(f1, f2, f3, f4); |
| } catch (Exception e) { |
| error(e); |
| } |
| } |
| } |
| } |
| } |
| |
| if (errors > 0) |
| throw new Exception(errors + " tests failed"); |
| } |
| |
| void test(File... sourceFiles) throws Exception { |
| System.err.println("Test " + (++count) + ": " + Arrays.asList(sourceFiles)); |
| |
| File classesDir = new File("classes" + count); |
| classesDir.mkdirs(); |
| |
| StringWriter compilerOutputStream = new StringWriter(); |
| |
| List<String> compileOptions = Arrays.asList("-d", classesDir.getPath()); |
| JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); |
| DiagnosticCollector<JavaFileObject> diagnosticCollector = new DiagnosticCollector<JavaFileObject>(); |
| StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnosticCollector, null, null); |
| Iterable<? extends JavaFileObject> sourceFileObjects = fileManager.getJavaFileObjects(sourceFiles); |
| System.err.println("1- javac given java source JavaFileObjects " + sourceFileObjects); |
| JavaCompiler.CompilationTask task = compiler.getTask(compilerOutputStream, fileManager, null, compileOptions, null, sourceFileObjects); |
| JavacTask javacTask = (JavacTask) task; |
| |
| Iterable<? extends CompilationUnitTree> parsedTrees = javacTask.parse(); |
| Iterable<? extends Element> analyzedTrees = javacTask.analyze(); |
| Iterable<? extends JavaFileObject> generatedFiles = javacTask.generate(); |
| |
| System.err.println("2- parsed:" + size(parsedTrees) + " analysed:" + size(analyzedTrees) + " generated:" + size(generatedFiles)); |
| |
| System.err.print("3-"); |
| for (JavaFileObject f : generatedFiles) |
| System.err.print(" " + f); |
| System.err.println(""); |
| |
| System.err.print("5-"); |
| for (File f : classesDir.listFiles()) |
| System.err.print(" " + f); |
| System.err.println(""); |
| |
| System.err.println("----"); |
| System.err.println(compilerOutputStream.toString()); |
| |
| if (size(generatedFiles) != size(parsedTrees)) { |
| throw new Exception("wrong number of files generated: " + size(generatedFiles) |
| + " expected: " + size(parsedTrees)); |
| } |
| } |
| |
| private void error(Throwable t) { |
| t.printStackTrace(); |
| errors++; |
| } |
| |
| int count; |
| int errors; |
| |
| private static <E> int size(Iterable<E> x) { |
| int n = 0; |
| for (Iterator<E> iter = x.iterator(); iter.hasNext(); ++n) |
| iter.next(); |
| return n; |
| } |
| |
| private static File writeFile(File f, String str) throws IOException { |
| f.getParentFile().mkdirs(); |
| BufferedWriter fout = new BufferedWriter(new FileWriter(f)); |
| try { |
| fout.write(str); |
| fout.flush(); |
| } finally { |
| fout.close(); |
| } |
| return f; |
| } |
| } |