/*

 * Copyright (c) 2005, 2015, 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.

 *

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 */

/*

 * @test

 * @bug     6306137

 * @summary JSR 199: encoding option doesn't affect standard file manager

 * @modules java.compiler

 *          jdk.compiler

 * @compile -encoding utf-8 T6306137.java

 * @run main T6306137

 * @author  Peter von der Ah\u00e9

 */

import java.io.File;

import java.io.IOException;

import java.nio.charset.Charset;

import java.nio.file.Files;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.List;

import javax.tools.*;

import static java.nio.file.StandardOpenOption.*;

public class T6306137 {

    boolean error;

    final StandardJavaFileManager fm;

    final JavaCompiler compiler;

    Iterable<? extends JavaFileObject> files;

    DiagnosticListener<JavaFileObject> dl;

    final File testFile = new File("Utf8.java");

    T6306137() throws IOException {

        dl = new DiagnosticListener<JavaFileObject>() {

                public void report(Diagnostic<? extends JavaFileObject> message) {

                    if (message.getKind() == Diagnostic.Kind.ERROR)

                        error = true;

                    System.out.println(message.getSource()

                                       +":"+message.getStartPosition()+":"

                                       +message.getStartPosition()+":"+message.getPosition());

                    System.out.println(message.toString());

                    System.out.format("Found problem: %s%n", message.getCode());

                    System.out.flush();

                }

        };

        compiler = ToolProvider.getSystemJavaCompiler();

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

        files =

            fm.getJavaFileObjectsFromFiles(Arrays.asList(testFile));

        createTestFile();

    }

    final void createTestFile() throws IOException {

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

        scratch.add("// @author Peter von der Ah" + (char)0xe9);

        scratch.add("class Utf8{}");

        Files.write(testFile.toPath(), scratch, Charset.forName("UTF-8"),

                CREATE, TRUNCATE_EXISTING);

    }

    void test(String encoding, boolean good) {

        error = false;

        Iterable<String> args = Arrays.asList("-encoding", encoding, "-d", ".");

        compiler.getTask(null, fm, dl, args, null, files).call();

        if (error == good) {

            if (error) {

                throw new AssertionError("Error reported");

            } else {

                throw new AssertionError("No error reported");

            }

        }

    }

    void close() throws IOException {

        fm.close();

    }

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

        T6306137 self = new T6306137();

        try {

            self.test("utf-8", true);

            self.test("ascii", false);

            self.test("utf-8", true);

        } finally {

            self.close();

        }

    }

}