/*

 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 6930508

 * @summary Passing nested class names on javac command line interfere with subsequent name -> class lookup

 * @library ../../../lib

 * @build JavacTestingAbstractProcessor p.NestedExamples Test

 * @run main Test

 */

import java.io.*;

import java.util.*;

import javax.annotation.processing.RoundEnvironment;

import javax.lang.model.element.TypeElement;

import javax.lang.model.util.ElementFilter;

import javax.tools.*;

import p.NestedExamples;

public class Test extends JavacTestingAbstractProcessor {

    public static void main(String... args) throws Exception {

        new Test().run();

    }

    void run() throws Exception {

        NestedExamples e = new NestedExamples();

        List<String> names = getNames(e.getClasses());

        test(names);

        test(reverse(names));

        names = Arrays.asList(e.getClassNames());

        test(names);

        test(reverse(names));

        if (errors > 0)

            throw new RuntimeException(errors + " errors occurred");

    }

    List<String> getNames(Class<?>[] classes) {

        List<String> names = new ArrayList<String>();

        for (Class<?> c: classes)

            names.add(c.getName());

        return names;

    }

    void test(List<String> names) throws Exception {

        System.err.println("test: " + names);

        JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();

        StandardJavaFileManager fm = compiler.getStandardFileManager(null, null, null);

        File testClasses = new File(System.getProperty("test.classes"));

        fm.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(testClasses));

        JavaCompiler.CompilationTask task = compiler.getTask(

                null, null, null, Arrays.asList("-proc:only"), names, null);

        task.setProcessors(Arrays.asList(new Test()));

        boolean ok = task.call();

        if (!ok)

            error("compilation failed");

        System.err.println();

    }

    <T> List<T> reverse(List<T> list) {

        List<T> newList = new ArrayList<T>(list);

        Collections.reverse(newList);

        return newList;

    }

    int errors = 0;

    void error(String msg) {

        System.out.println("Error: " + msg);

        errors++;

    }

    //----------

    public boolean process(Set<? extends TypeElement> annotations,

                           RoundEnvironment roundEnv) {

        if (!roundEnv.processingOver()) {

            for (TypeElement typeElt : ElementFilter.typesIn(roundEnv.getRootElements())) {

                messager.printMessage(Diagnostic.Kind.NOTE, "processing " + typeElt);

            }

        }

        return true;

    }

}