test/tools/javac/6902720/Test.java

changeset 439
b1bb8164a9bd
child 554
9d9f26857129
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/6902720/Test.java	Thu Nov 19 11:49:27 2009 -0800
     1.3 @@ -0,0 +1,91 @@
     1.4 +/*
     1.5 + * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + */
    1.26 +
    1.27 +import java.io.*;
    1.28 +import java.net.*;
    1.29 +import javax.tools.*;
    1.30 +import java.util.*;
    1.31 +
    1.32 +import com.sun.source.tree.CompilationUnitTree;
    1.33 +import com.sun.source.util.JavacTask;
    1.34 +import com.sun.tools.javac.api.JavacTool;
    1.35 +import com.sun.tools.javac.tree.JCTree;
    1.36 +import com.sun.tools.javac.tree.Pretty;
    1.37 +
    1.38 +/**
    1.39 + * @test
    1.40 + * @bug 6902720
    1.41 + * @summary javac pretty printer does not handle enums correctly
    1.42 + */
    1.43 +
    1.44 +public class Test {
    1.45 +
    1.46 +    public static void main(String[] args) throws Exception {
    1.47 +        Test t = new Test();
    1.48 +        t.run("E1.java", "E2.java");
    1.49 +    }
    1.50 +
    1.51 +    void run(String... args) throws Exception {
    1.52 +        File testSrcDir = new File(System.getProperty("test.src"));
    1.53 +        for (String arg: args) {
    1.54 +            test(new File(testSrcDir, arg));
    1.55 +        }
    1.56 +    }
    1.57 +
    1.58 +    void test(File test) throws Exception {
    1.59 +        JavacTool tool1 = JavacTool.create();
    1.60 +        StandardJavaFileManager fm = tool1.getStandardFileManager(null, null, null);
    1.61 +        Iterable<? extends JavaFileObject> files = fm.getJavaFileObjects(test);
    1.62 +
    1.63 +        // parse test file into a tree, and write it out to a stringbuffer using Pretty
    1.64 +        JavacTask t1 = tool1.getTask(null, fm, null, null, null, files);
    1.65 +        StringWriter sw = new StringWriter();
    1.66 +        PrintWriter pw = new PrintWriter(sw);
    1.67 +        Iterable<? extends CompilationUnitTree> trees = t1.parse();
    1.68 +        for (CompilationUnitTree tree: trees) {
    1.69 +            new Pretty(pw, true).printExpr((JCTree) tree);
    1.70 +        }
    1.71 +        pw.close();
    1.72 +
    1.73 +        final String out = sw.toString();
    1.74 +        System.err.println("generated code:\n" + out + "\n");
    1.75 +
    1.76 +        // verify the generated code is valid Java by compiling it
    1.77 +        JavacTool tool2 = JavacTool.create();
    1.78 +        JavaFileObject fo = new SimpleJavaFileObject(URI.create("output"), JavaFileObject.Kind.SOURCE) {
    1.79 +            @Override
    1.80 +            public CharSequence getCharContent(boolean ignoreEncodingErrors) {
    1.81 +                return out;
    1.82 +            }
    1.83 +        };
    1.84 +        JavacTask t2 = tool2.getTask(null, fm, null, null, null, Collections.singleton(fo));
    1.85 +        boolean ok = t2.call();
    1.86 +        if (!ok)
    1.87 +            throw new Exception("compilation of generated code failed");
    1.88 +
    1.89 +        File expectedClass = new File(test.getName().replace(".java", ".class"));
    1.90 +        if (!expectedClass.exists())
    1.91 +            throw new Exception(expectedClass + " not found");
    1.92 +    }
    1.93 +}
    1.94 +

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