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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

 * 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 native files are removed when native method is removed

 * @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.file

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

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

 * @build Wrapper ToolBox

 * @run main Wrapper IncCompileChangeNative

 */

import java.util.*;

import java.nio.file.*;

public class IncCompileChangeNative extends SJavacTester {

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

        IncCompileChangeNative cn = new IncCompileChangeNative();

        cn.test();

    }

    // Remember the previous bin and headers state here.

    Map<String,Long> previous_bin_state;

    Map<String,Long> previous_headers_state;

    ToolBox tb = new ToolBox();

    void test() throws Exception {

        Files.createDirectories(GENSRC);

        Files.createDirectories(BIN);

        Files.createDirectories(HEADERS);

        initialCompile();

        incrementalCompileDropAllNatives();

        incrementalCompileAddNative();

    }

    // Update B.java with one less native method i.e. it has no longer any methods

    // Verify that beta_B.h is removed

    void incrementalCompileDropAllNatives() throws Exception {

        previous_bin_state = collectState(BIN);

        previous_headers_state = collectState(HEADERS);

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

        System.out.println("Verify that beta_B.h is removed");

        tb.writeFile(GENSRC.resolve("beta/B.java"),

                     "package beta; import alfa.omega.A; " +

                     "public class B { private int b() { return A.DEFINITION; } }");

        compile(GENSRC.toString(),

                "-d", BIN.toString(),

                "--state-dir=" + BIN,

                "-h", HEADERS.toString(),

                "-j", "1",

                SERVER_ARG,

                "--log=debug");

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

        verifyNewerFiles(previous_bin_state, new_bin_state,

                         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);

        verifyThatFilesHaveBeenRemoved(previous_headers_state, new_headers_state,

                                       HEADERS + "/beta_B.h");

        previous_headers_state = new_headers_state;

    }

    // Update the B.java with a final static annotated with @Native

    // Verify that beta_B.h is added again

    void incrementalCompileAddNative() throws Exception {

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

        System.out.println("Verify that beta_B.h is added again");

        tb.writeFile(GENSRC.resolve("beta/B.java"),

                     "package beta; import alfa.omega.A; public class B {"+

                     "private int b() { return A.DEFINITION; } "+

                     "@java.lang.annotation.Native final static int alfa = 42; }");

        compile(GENSRC.toString(),

                "-d", BIN.toString(),

                "--state-dir=" + BIN,

                "-h", HEADERS.toString(),

                "-j", "1",

                SERVER_ARG,

                "--log=debug");

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

        verifyNewerFiles(previous_bin_state, new_bin_state,

                         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);

        verifyThatFilesHaveBeenAdded(previous_headers_state, new_headers_state,

                                     HEADERS + "/beta_B.h");

        previous_headers_state = new_headers_state;

    }

}