/*

 * Copyright (c) 2015, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @summary tests for "requires public"

 * @library /tools/lib

 * @modules

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

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

 * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase

 * @run main RequiresPublicTest

 */

import java.nio.file.Files;

import java.nio.file.Path;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.ToolBox;

public class RequiresPublicTest extends ModuleTestBase {

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

        RequiresPublicTest t = new RequiresPublicTest();

        t.runTests();

    }

    @Test

    public void testJavaSE_OK(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires java.se; }",

                "import java.awt.Frame;\n"  // in java.se

                + "class Test {\n"

                + "    Frame f;\n"

                + "}");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .outdir(classes)

                .run()

                .writeAll();

    }

    @Test

    public void testJavaSE_Fail(Path base) throws Exception {

        Path src = base.resolve("src");

        tb.writeJavaFiles(src,

                "module m { requires java.se; }",

                "import com.sun.source.tree.Tree;\n" // not in java.se (in jdk.compiler)

                + "class Test {\n"

                + "    Tree t;\n"

                + "}");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics")

                .files(findJavaFiles(src))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.contains("Test.java:1:27: compiler.err.doesnt.exist: com.sun.source.tree"))

            throw new Exception("expected output not found");

    }

    @Test

    public void testComplex_OK(Path base) throws Exception {

        Path src = getComplexSrc(base, "", "");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        new JavacTask(tb, Task.Mode.CMDLINE)

                .files(findJavaFiles(src))

                .outdir(classes)

                .run()

                .writeAll();

    }

    @Test

    public void testComplex_Fail(Path base) throws Exception {

        Path src = getComplexSrc(base,

                "import p5.C5; import p6.C6; import p7.C7;\n",

                "C5 c5; C6 c6; C7 c7;\n");

        Path classes = base.resolve("classes");

        Files.createDirectories(classes);

        String log = new JavacTask(tb, Task.Mode.CMDLINE)

                .options("-XDrawDiagnostics",

                .files(findJavaFiles(src))

                .outdir(classes)

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        String[] expect = {

            "C1.java:5:10: compiler.err.not.def.access.package.cant.access: p5.C5, p5",

            "C1.java:5:24: compiler.err.not.def.access.package.cant.access: p6.C6, p6",

            "C1.java:5:38: compiler.err.not.def.access.package.cant.access: p7.C7, p7",

            "C1.java:8:1: compiler.err.cant.resolve.location: kindname.class, C5, , , "

                + "(compiler.misc.location: kindname.class, p1.C1, null)",

            "C1.java:8:8: compiler.err.cant.resolve.location: kindname.class, C6, , , "

                + "(compiler.misc.location: kindname.class, p1.C1, null)",

            "C1.java:8:15: compiler.err.cant.resolve.location: kindname.class, C7, , , "

                + "(compiler.misc.location: kindname.class, p1.C1, null)"

        };

        for (String e: expect) {

            if (!log.contains(e))

                throw new Exception("expected output not found: " + e);

        }

    }

    /*

     * Set up the following module graph

     *     m1 -> m2 => m3 => m4 -> m5

     *              -> m6 => m7

     * where -> is requires, => is requires public

     */

    Path getComplexSrc(Path base, String m1_extraImports, String m1_extraUses) throws Exception {

        Path src = base.resolve("src");

        Path src_m1 = src.resolve("m1");

        tb.writeJavaFiles(src_m1,

                "module m1 { requires m2; }",

                "package p1;\n"

                + "import p2.C2;\n"

                + "import p3.C3;\n"

                + "import p4.C4;\n"

                + m1_extraImports

                + "class C1 {\n"

                + "  C2 c2; C3 c3; C4 c4;\n"

                + m1_extraUses

                + "}\n");

        Path src_m2 = src.resolve("m2");

        tb.writeJavaFiles(src_m2,

                "module m2 {\n"

                + "  requires public m3;\n"

                + "  requires        m6;\n"

                + "  exports p2;\n"

                + "}",

                "package p2;\n"

                + "public class C2 { }\n");

        Path src_m3 = src.resolve("m3");

        tb.writeJavaFiles(src_m3,

                "module m3 { requires public m4; exports p3; }",

                "package p3;\n"

                + "public class C3 { }\n");

        Path src_m4 = src.resolve("m4");

        tb.writeJavaFiles(src_m4,

                "module m4 { requires m5; exports p4; }",

                "package p4;\n"

                + "public class C4 { }\n");

        Path src_m5 = src.resolve("m5");

        tb.writeJavaFiles(src_m5,

                "module m5 { exports p5; }",

                "package p5;\n"

                + "public class C5 { }\n");

        Path src_m6 = src.resolve("m6");

        tb.writeJavaFiles(src_m6,

                "module m6 { requires public m7; exports p6; }",

                "package p6;\n"

                + "public class C6 { }\n");

        Path src_m7 = src.resolve("m7");

        tb.writeJavaFiles(src_m7,

                "module m7 { exports p7; }",

                "package p7;\n"

                + "public class C7 { }\n");

        return src;

    }

}