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

 *

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

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 * published by the Free Software Foundation.

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 * 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).

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 * 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

 * @summary Verify no change in sources implies no change in binaries

 * @bug 8054689

 * @author Fredrik O

 * @author sogoel (rewrite)

 * @library /tools/lib

 * @build Wrapper ToolBox

 * @run main Wrapper IncCompileNoChanges

 */

import java.util.*;

import java.nio.file.*;

public class IncCompileNoChanges  extends SJavacTester {

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

        IncCompileNoChanges nc = new IncCompileNoChanges();

        nc.test();

    }

    // Remember the previous bin and headers state here.

    Map<String,Long> previous_bin_state;

    Map<String,Long> previous_headers_state;

    void test() throws Exception {

        Files.createDirectory(GENSRC);

        Files.createDirectory(BIN);

        Files.createDirectory(HEADERS);

        initialCompile();

        incrementalCompileNoChanges();

        clean(GENSRC, BIN, HEADERS);

    }

    // Testing that no change in sources implies no change in binaries

    void incrementalCompileNoChanges() throws Exception {

        previous_bin_state = collectState(BIN);

        previous_headers_state = collectState(HEADERS);

        System.out.println("\nIn incrementalCompileNoChanges() ");

        System.out.println("Testing that no change in sources implies no change in binaries");

        compile("gensrc", "-d", "bin", "-h", "headers", "-j", "1",

                SERVER_ARG, "--log=debug");

        Map<String,Long> new_bin_state = collectState(BIN);

        verifyEqual(new_bin_state, previous_bin_state);

        Map<String,Long> new_headers_state = collectState(HEADERS);

        verifyEqual(previous_headers_state, new_headers_state);

    }

}