jjg@439: /*
ohair@554:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
jjg@439:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@439:  *
jjg@439:  * This code is free software; you can redistribute it and/or modify it
jjg@439:  * under the terms of the GNU General Public License version 2 only, as
jjg@439:  * published by the Free Software Foundation.
jjg@439:  *
jjg@439:  * This code is distributed in the hope that it will be useful, but WITHOUT
jjg@439:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@439:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jjg@439:  * version 2 for more details (a copy is included in the LICENSE file that
jjg@439:  * accompanied this code).
jjg@439:  *
jjg@439:  * You should have received a copy of the GNU General Public License version
jjg@439:  * 2 along with this work; if not, write to the Free Software Foundation,
jjg@439:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@439:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
jjg@439:  */
jjg@439: 
jjg@439: import java.io.*;
jjg@439: import java.net.*;
jjg@439: import javax.tools.*;
jjg@439: import java.util.*;
jjg@439: 
jjg@439: import com.sun.source.tree.CompilationUnitTree;
jjg@439: import com.sun.source.util.JavacTask;
jjg@439: import com.sun.tools.javac.api.JavacTool;
jjg@439: import com.sun.tools.javac.tree.JCTree;
jjg@439: import com.sun.tools.javac.tree.Pretty;
jjg@439: 
jjg@439: /**
jjg@439:  * @test
jjg@439:  * @bug 6902720
jjg@439:  * @summary javac pretty printer does not handle enums correctly
jjg@439:  */
jjg@439: 
jjg@439: public class Test {
jjg@439: 
jjg@439:     public static void main(String[] args) throws Exception {
jjg@439:         Test t = new Test();
jjg@439:         t.run("E1.java", "E2.java");
jjg@439:     }
jjg@439: 
jjg@439:     void run(String... args) throws Exception {
jjg@439:         File testSrcDir = new File(System.getProperty("test.src"));
jjg@439:         for (String arg: args) {
jjg@439:             test(new File(testSrcDir, arg));
jjg@439:         }
jjg@439:     }
jjg@439: 
jjg@439:     void test(File test) throws Exception {
jjg@439:         JavacTool tool1 = JavacTool.create();
jjg@439:         StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null);
jjg@439:         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test);
jjg@439: 
jjg@439:         // parse test file into a tree, and write it out to a stringbuffer using Pretty
jjg@439:         JavacTask t1 = tool1.getTask(null, fm, null, null, null, files);
jjg@439:         StringWriter sw = new StringWriter();
jjg@439:         PrintWriter pw = new PrintWriter(sw);
jjg@439:         Iterable<? extends CompilationUnitTree> trees = t1.parse();
jjg@439:         for (CompilationUnitTree tree: trees) {
jjg@439:             new Pretty(pw, true).printExpr((JCTree) tree);
jjg@439:         }
jjg@439:         pw.close();
jjg@439: 
jjg@439:         final String out = sw.toString();
jjg@439:         System.err.println("generated code:\n" + out + "\n");
jjg@439: 
jjg@439:         // verify the generated code is valid Java by compiling it
jjg@439:         JavacTool tool2 = JavacTool.create();
jjg@439:         JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) {
jjg@439:             @Override
jjg@439:             public CharSequence getCharContent(boolean ignoreEncodingErrors) {
jjg@439:                 return out;
jjg@439:             }
jjg@439:         };
jjg@439:         JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo));
jjg@439:         boolean ok = t2.call();
jjg@439:         if (!ok)
jjg@439:             throw new Exception("compilation of generated code failed");
jjg@439: 
jjg@439:         File expectedClass = new File(test.getName().replace(".java", ".class"));
jjg@439:         if (!expectedClass.exists())
jjg@439:             throw new Exception(expectedClass + " not found");
jjg@439:     }
jjg@439: }
jjg@439: