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/*

 * @test

 * @bug     6437999

 * @summary Unit test for encoding argument to standard file manager

 * @author  Peter von der Ah\u00e9

 * @library ../lib

 * @build ToolTester

 * @compile T6437999.java

 * @run main T6437999

 */

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.Collections;

import java.util.List;

import javax.tools.*;

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

public class T6437999 extends ToolTester {

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

    T6437999() throws IOException {

        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);

    }

    static class MyDiagnosticListener implements DiagnosticListener<JavaFileObject> {

        boolean error = false;

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

            error |= diagnostic.getKind() == Diagnostic.Kind.ERROR;

            System.out.println(diagnostic);

        }

    }

    void test(String... args) {

        Iterable<String> sourceLevel = Collections.singleton("6");

        MyDiagnosticListener dl = new MyDiagnosticListener();

        StandardJavaFileManager fm;

        Iterable<? extends JavaFileObject> files;

        dl.error = false;

        fm = getFileManager(tool, dl, Charset.forName("ASCII"));

        fm.handleOption("-source", sourceLevel.iterator());

        files = fm.getJavaFileObjects(testFile);

        tool.getTask(null, fm, null, null, null, files).call();

        if (!dl.error)

            throw new AssertionError("No error in ASCII mode");

        dl.error = false;

        fm = getFileManager(tool, dl, Charset.forName("UTF-8"));

        fm.handleOption("-source", sourceLevel.iterator());

        files = fm.getJavaFileObjects(testFile);

        task = tool.getTask(null, fm, null, null, null, files);

        if (dl.error)

            throw new AssertionError("Error in UTF-8 mode");

    }

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

        try (T6437999 t = new T6437999()) {

            t.test(args);

        }

    }

}