84 lines
3.2 KiB
Java
84 lines
3.2 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8152616
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* @summary Unit test for corner case of PrettyPrinting when SourceOutput is false
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.tree
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*/
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.OutputStream;
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import java.io.StringWriter;
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import javax.tools.StandardJavaFileManager;
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import javax.tools.DiagnosticListener;
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import com.sun.source.tree.CompilationUnitTree;
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import com.sun.source.util.JavacTask;
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import com.sun.tools.javac.api.JavacTool;
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import com.sun.tools.javac.tree.JCTree;
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import com.sun.tools.javac.tree.Pretty;
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import java.io.IOException;
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public class T8152616 {
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public String PrettyPrint(JCTree tree){
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StringWriter s = new StringWriter();
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try {
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new Pretty(s, false).printExpr(tree);
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}
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catch (IOException e) {
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throw new AssertionError(e);
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}
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return s.toString();
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}
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public static void main(String[] args) throws Exception {
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T8152616 obj = new T8152616();
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JavacTool javac = JavacTool.create();
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StandardJavaFileManager jfm = javac.getStandardFileManager(null,null,null);
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File file = File.createTempFile("test", ".java");
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try (OutputStream outputStream = new FileOutputStream(file)) {
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outputStream.write("enum Foo {AA(10), BB, CC { void m() {} }; void m() {};}".getBytes());
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}
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JavacTask task = javac.getTask(null, jfm, null, null, null,
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jfm.getJavaFileObjects(file.getAbsolutePath()));
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Iterable<? extends CompilationUnitTree> trees = task.parse();
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CompilationUnitTree thisTree = trees.iterator().next();
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file.delete();
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try (OutputStream outputStream = new FileOutputStream(file)) {
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outputStream.write((obj.PrettyPrint((JCTree)thisTree)).getBytes());
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}
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task = javac.getTask(null, jfm, null, null, null,
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jfm.getJavaFileObjects(file.getAbsolutePath()));
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if(task.parse().toString().contains("ERROR")){
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throw new AssertionError("parsing temp file failed with errors");
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}else{
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System.out.println("parsing successfull");
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}
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file.delete();
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}
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}
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