aoqi@0: /*
aoqi@0:  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: import java.io.*;
aoqi@0: import java.net.*;
aoqi@0: import javax.tools.*;
aoqi@0: import java.util.*;
aoqi@0: 
aoqi@0: import com.sun.source.tree.CompilationUnitTree;
aoqi@0: import com.sun.source.util.JavacTask;
aoqi@0: import com.sun.tools.javac.api.JavacTool;
aoqi@0: import com.sun.tools.javac.tree.JCTree;
aoqi@0: import com.sun.tools.javac.tree.Pretty;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug 6902720
aoqi@0:  * @summary javac pretty printer does not handle enums correctly
aoqi@0:  */
aoqi@0: 
aoqi@0: public class Test {
aoqi@0: 
aoqi@0:     public static void main(String[] args) throws Exception {
aoqi@0:         Test t = new Test();
aoqi@0:         t.run("E1.java", "E2.java");
aoqi@0:     }
aoqi@0: 
aoqi@0:     void run(String... args) throws Exception {
aoqi@0:         File testSrcDir = new File(System.getProperty("test.src"));
aoqi@0:         for (String arg: args) {
aoqi@0:             test(new File(testSrcDir, arg));
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     void test(File test) throws Exception {
aoqi@0:         JavacTool tool1 = JavacTool.create();
aoqi@0:         StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null);
aoqi@0:         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test);
aoqi@0: 
aoqi@0:         // parse test file into a tree, and write it out to a stringbuffer using Pretty
aoqi@0:         JavacTask t1 = tool1.getTask(null, fm, null, null, null, files);
aoqi@0:         StringWriter sw = new StringWriter();
aoqi@0:         PrintWriter pw = new PrintWriter(sw);
aoqi@0:         Iterable<? extends CompilationUnitTree> trees = t1.parse();
aoqi@0:         for (CompilationUnitTree tree: trees) {
aoqi@0:             new Pretty(pw, true).printExpr((JCTree) tree);
aoqi@0:         }
aoqi@0:         pw.close();
aoqi@0: 
aoqi@0:         final String out = sw.toString();
aoqi@0:         System.err.println("generated code:\n" + out + "\n");
aoqi@0: 
aoqi@0:         // verify the generated code is valid Java by compiling it
aoqi@0:         JavacTool tool2 = JavacTool.create();
aoqi@0:         JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) {
aoqi@0:             @Override
aoqi@0:             public CharSequence getCharContent(boolean ignoreEncodingErrors) {
aoqi@0:                 return out;
aoqi@0:             }
aoqi@0:         };
aoqi@0:         JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo));
aoqi@0:         boolean ok = t2.call();
aoqi@0:         if (!ok)
aoqi@0:             throw new Exception("compilation of generated code failed");
aoqi@0: 
aoqi@0:         File expectedClass = new File(test.getName().replace(".java", ".class"));
aoqi@0:         if (!expectedClass.exists())
aoqi@0:             throw new Exception(expectedClass + " not found");
aoqi@0:     }
aoqi@0: }
aoqi@0: