/*

 * Copyright (c) 2013, 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.

 *

 * 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 4846262

 * @summary check that javac operates correctly in EBCDIC locale

 * @library /tools/lib

 * @modules jdk.compiler/com.sun.tools.javac.api

 *          jdk.compiler/com.sun.tools.javac.file

 *          jdk.compiler/com.sun.tools.javac.main

 * @build ToolBox

 * @run main CheckEBCDICLocaleTest

 */

import java.io.File;

import java.io.FileOutputStream;

import java.io.OutputStreamWriter;

import java.io.PrintStream;

import java.io.PrintWriter;

import java.nio.charset.Charset;

import java.nio.file.Files;

import java.nio.file.Paths;

import java.util.Arrays;

import java.util.List;

public class CheckEBCDICLocaleTest {

    private static final String TestSrc =

        "public class Test {\n" +

        "    public void test() {\n" +

        "        abcdefg\n" +

        "    }\n" +

        "}";

    private static final String TestOutTemplate =

        "output%1$sTest.java:3: error: not a statement\n" +

        "        abcdefg\n" +

        "        ^\n" +

        "output%1$sTest.java:3: error: ';' expected\n" +

        "        abcdefg\n" +

        "               ^\n" +

        "2 errors\n";

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

        new CheckEBCDICLocaleTest().test();

    }

    public void test() throws Exception {

        ToolBox tb = new ToolBox();

        tb.writeFile("Test.java", TestSrc);

        tb.createDirectories("output");

        Charset ebcdic = Charset.forName("IBM1047");

        Native2Ascii n2a = new Native2Ascii(ebcdic);

        n2a.asciiToNative(Paths.get("Test.java"), Paths.get("output", "Test.java"));

        // Use -encoding to specify the encoding with which to read source files

        // Use a suitable configured output stream for javac diagnostics

        int rc;

        try (PrintWriter out = new PrintWriter(new OutputStreamWriter(new FileOutputStream("Test.tmp"), ebcdic))) {

            String[] args = { "-encoding", ebcdic.name(), "output/Test.java" };

            rc = com.sun.tools.javac.Main.compile(args, out);

            if (rc != 1)

                throw new Exception("unexpected exit from javac: " + rc);

        }

        n2a.nativeToAscii(Paths.get("Test.tmp"), Paths.get("Test.out"));

        List<String> expectLines = Arrays.asList(

                String.format(TestOutTemplate, File.separator).split("\n"));

        List<String> actualLines = Files.readAllLines(Paths.get("Test.out"));

        try {

            tb.checkEqual(expectLines, actualLines);

        } catch (Throwable tt) {

            PrintStream out = tb.out;

            out.println("Output mismatch:");

            out.println("Expected output:");

            for (String s: expectLines) {

                out.println(s);

            }

            out.println();

            out.println("Actual output:");

            for (String s : actualLines) {

                out.println(s);

            }

            out.println();

            throw tt;

        }

    }

}