1 /* 2 * Copyright (c) 2018, 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 8152616 27 * @summary Unit test for corner case of PrettyPrinting when SourceOutput is false 28 * @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 29 * @run main T8152616 30 */ 31 32 import java.io.File; 33 import java.io.FileOutputStream; 34 import java.io.OutputStream; 35 import java.io.StringWriter; 36 import javax.tools.StandardJavaFileManager; 37 import javax.tools.DiagnosticListener; 38 import com.sun.source.tree.CompilationUnitTree; 39 import com.sun.source.util.JavacTask; 40 import com.sun.tools.javac.api.JavacTool; 41 import com.sun.tools.javac.tree.JCTree; 42 import com.sun.tools.javac.tree.Pretty; 43 import java.io.IOException; 44 45 public class T8152616 { 46 47 public String PrettyPrint(JCTree tree){ 48 StringWriter s = new StringWriter(); 49 try { 50 new Pretty(s, false).printExpr(tree); 51 } 52 catch (IOException e) { 53 throw new AssertionError(e); 54 } 55 return s.toString(); 56 } 57 58 public static void main(String[] args) throws Exception { 59 T8152616 obj = new T8152616(); 60 JavacTool javac = JavacTool.create(); 61 StandardJavaFileManager jfm = javac.getStandardFileManager(null,null,null); 62 File file = File.createTempFile("test", ".java"); 63 OutputStream outputStream = new FileOutputStream(file); 64 outputStream.write("enum Foo {AA(10), BB, CC { void m() {} }; void m() {};}".getBytes()); 65 JavacTask task = javac.getTask(null, jfm, null, null, null, 66 jfm.getJavaFileObjects(file.getAbsolutePath())); 67 Iterable<? extends CompilationUnitTree> trees = task.parse(); 68 CompilationUnitTree thisTree = trees.iterator().next(); 69 file.delete(); 70 outputStream = new FileOutputStream(file); 71 outputStream.write((obj.PrettyPrint((JCTree)thisTree)).getBytes()); 72 task = javac.getTask(null, jfm, null, null, null, 73 jfm.getJavaFileObjects(file.getAbsolutePath())); 74 if(task.parse().toString().contains("ERROR")){ 75 throw new AssertionError("parsing temp file failed with errors"); 76 }else{ 77 System.out.println("parsing successfull"); 78 } 79 System.out.println(file.getAbsolutePath()); 80 file.delete(); 81 } 82 }