jdk8-mips64-public/langtools: test/tools/javac/6902720/Test.java@7909abb85562

     1 /*

     2  * Copyright (c) 2009, 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  */

    24 import java.io.*;

    25 import java.net.*;

    26 import javax.tools.*;

    27 import java.util.*;

    29 import com.sun.source.tree.CompilationUnitTree;

    30 import com.sun.source.util.JavacTask;

    31 import com.sun.tools.javac.api.JavacTool;

    32 import com.sun.tools.javac.tree.JCTree;

    33 import com.sun.tools.javac.tree.Pretty;

    35 /**

    36  * @test

    37  * @bug 6902720

    38  * @summary javac pretty printer does not handle enums correctly

    39  */

    41 public class Test {

    43     public static void main(String[] args) throws Exception {

    44         Test t = new Test();

    45         t.run("E1.java", "E2.java");

    46     }

    48     void run(String... args) throws Exception {

    49         File testSrcDir = new File(System.getProperty("test.src"));

    50         for (String arg: args) {

    51             test(new File(testSrcDir, arg));

    52         }

    53     }

    55     void test(File test) throws Exception {

    56         JavacTool tool1 = JavacTool.create();

    57         StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null);

    58         Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test);

    60         // parse test file into a tree, and write it out to a stringbuffer using Pretty

    61         JavacTask t1 = tool1.getTask(null, fm, null, null, null, files);

    62         StringWriter sw = new StringWriter();

    63         PrintWriter pw = new PrintWriter(sw);

    64         Iterable<? extends CompilationUnitTree> trees = t1.parse();

    65         for (CompilationUnitTree tree: trees) {

    66             new Pretty(pw, true).printExpr((JCTree) tree);

    67         }

    68         pw.close();

    70         final String out = sw.toString();

    71         System.err.println("generated code:\n" + out + "\n");

    73         // verify the generated code is valid Java by compiling it

    74         JavacTool tool2 = JavacTool.create();

    75         JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) {

    76             @Override

    77             public CharSequence getCharContent(boolean ignoreEncodingErrors) {

    78                 return out;

    79             }

    80         };

    81         JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo));

    82         boolean ok = t2.call();

    83         if (!ok)

    84             throw new Exception("compilation of generated code failed");

    86         File expectedClass = new File(test.getName().replace(".java", ".class"));

    87         if (!expectedClass.exists())

    88             throw new Exception(expectedClass + " not found");

    89     }

    90 }

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