/*

 * Copyright (c) 2014, 2016, 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

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 */

/*

 * @test

 * @summary Verify incremental changes in gensrc are handled as expected

 * @bug 8054689

 * @author Fredrik O

 * @author sogoel (rewrite)

 * @library /tools/lib

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

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

 *          jdk.compiler/com.sun.tools.sjavac

 * @ignore Requires dependency code to deal with in-method dependencies.

 * @build Wrapper toolbox.ToolBox

 * @run main Wrapper IncCompileWithChanges

 */

import java.util.*;

import java.nio.file.*;

import toolbox.ToolBox;

public class IncCompileWithChanges extends SJavacTester {

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

        IncCompileWithChanges wc = new IncCompileWithChanges();

        wc.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 {

        clean(TEST_ROOT);

        Files.createDirectories(GENSRC);

        Files.createDirectories(BIN);

        Files.createDirectories(HEADERS);

        initialCompile();

        incrementalCompileWithChange();

    }

    /* Update A.java with a new timestamp and new final static definition.

     * This should trigger a recompile, not only of alfa, but also beta.

     * Generated native header should not be updated since native api of B was not modified.

     */

    void incrementalCompileWithChange() throws Exception {

        previous_bin_state = collectState(BIN);

        previous_headers_state = collectState(HEADERS);

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

        System.out.println("A.java updated to trigger a recompile");

        System.out.println("Generated native header should not be updated since native api of B was not modified");

        tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),

                     "package alfa.omega; public class A implements AINT { " +

                     "public final static int DEFINITION = 18;" +

                     "public void aint() { } private void foo() { } }");

        compile(GENSRC.toString(),

                "-d", BIN.toString(),

                "--state-dir=" + BIN,

                "-h", HEADERS.toString(),

                "-j", "1",

                "--log=debug");

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

        verifyNewerFiles(previous_bin_state, new_bin_state,

                         BIN + "/alfa/omega/A.class",

                         BIN + "/alfa/omega/AINT.class",

                         BIN + "/alfa/omega/AA$AAAA.class",

                         BIN + "/alfa/omega/AAAAA.class",

                         BIN + "/alfa/omega/AA$AAA.class",

                         BIN + "/alfa/omega/AA.class",

                         BIN + "/alfa/omega/AA$1.class",

                         BIN + "/beta/B.class",

                         BIN + "/beta/BINT.class",

                         BIN + "/javac_state");

        previous_bin_state = new_bin_state;

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

        verifyEqual(new_headers_state, previous_headers_state);

    }

}