/* * Copyright (c) 2018, 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 8152616 * @summary Unit test for corner case of PrettyPrinting when SourceOutput is false * @run compile --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED T8152616.java * @run main T8152616 */ import java.io.File; import java.io.FileOutputStream; import java.io.OutputStream; import java.io.StringWriter; import javax.tools.StandardJavaFileManager; import javax.tools.DiagnosticListener; import com.sun.source.tree.CompilationUnitTree; import com.sun.source.util.JavacTask; import com.sun.tools.javac.api.JavacTool; import com.sun.tools.javac.tree.JCTree; import com.sun.tools.javac.tree.Pretty; import java.io.IOException; public class T8152616 { public String PrettyPrint(JCTree tree){ StringWriter s = new StringWriter(); try { new Pretty(s, false).printExpr(tree); } catch (IOException e) { throw new AssertionError(e); } return s.toString(); } public static void main(String[] args) throws Exception { T8152616 obj = new T8152616(); JavacTool javac = JavacTool.create(); StandardJavaFileManager jfm = javac.getStandardFileManager(null,null,null); File file = File.createTempFile("test", ".java"); OutputStream outputStream = new FileOutputStream(file); outputStream.write("enum Foo {AA(10), BB, CC { void m() {} }; void m() {};}".getBytes()); JavacTask task = javac.getTask(null, jfm, null, null, null, jfm.getJavaFileObjects(file.getAbsolutePath())); Iterable trees = task.parse(); CompilationUnitTree thisTree = trees.iterator().next(); file.delete(); outputStream = new FileOutputStream(file); outputStream.write((obj.PrettyPrint((JCTree)thisTree)).getBytes()); task = javac.getTask(null, jfm, null, null, null, jfm.getJavaFileObjects(file.getAbsolutePath())); if(task.parse().toString().contains("ERROR")){ throw new AssertionError("parsing temp file failed with errors"); }else{ System.out.println("parsing successfull"); } System.out.println(file.getAbsolutePath()); file.delete(); } }