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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * 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

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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,

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 *

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 */

/*

 * @test

 * @summary tests for module graph resolution issues

 * @library /tools/lib

 * @modules

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

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

 * @run main GraphsTest

 */

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Path;

import java.util.Arrays;

import java.util.List;

import java.util.regex.Pattern;

public class GraphsTest extends ModuleTestBase {

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

        GraphsTest t = new GraphsTest();

        t.runTests();

    }

    /**

     * Tests diamond graph with an automatic module added in.

     * +-------------+          +--------------------+         +------------------+

     * | module M    |          | module N           |         | module O         |

     * |             | ----->   |                    | --->    |                  |  --> J.jar

     * | require N   |          | requires public  O |         |                  |

     * | require L   |          |                    |         +------------------+

     * +-------------+          +--------------------+                  ^

     *       |                                                          |

     *       |                  +--------------------+                  |

     *       ------------------>| module L           |                  |

     *                          |                    |------------------

     *                          | requires public O  |

     *                          |                    |

     *                          +--------------------+

     *

     */

    @Test

    void diamond(Path base) throws Exception {

        Path modules = Files.createDirectories(base.resolve("modules"));

        new ModuleBuilder("J")

                .exports("openJ")

                .classes("package openJ; public class J { }")

                .classes("package closedJ; public class J { }")

                .build(base.resolve("jar"));

        Path jarModules = Files.createDirectories(base.resolve("jarModules"));

        Path jar = jarModules.resolve("J.jar");

                .baseDir(base.resolve("jar/J"))

                .files(".")

                .run()

                .writeAll();

        new ModuleBuilder("O")

                .exports("openO")

                .requiresPublic("J", jarModules)

                .classes("package openO; public class O { openJ.J j; }")

                .classes("package closedO; public class O { }")

                .build(modules);

        new ModuleBuilder("N")

                .requiresPublic("O", modules, jarModules)

                .exports("openN")

                .classes("package openN; public class N { }")

                .classes("package closedN; public class N { }")

                .build(modules);

        new ModuleBuilder("L")

                .requiresPublic("O", modules, jarModules)

                .exports("openL")

                .classes("package openL; public class L { }")

                .classes("package closedL; public class L { }")

                .build(modules);

        ModuleBuilder m = new ModuleBuilder("M");

        //positive case

        Path positiveSrc = m

                .requires("N", modules)

                .requires("L", modules)

                .classes("package p; public class Positive { openO.O o; openN.N n; openL.L l; }")

                .write(base.resolve("positiveSrc"));

                .options("-XDrawDiagnostics", "-mp", modules + File.pathSeparator + jarModules)

                .outdir(Files.createDirectories(base.resolve("positive")))

                .files(findJavaFiles(positiveSrc))

                .run()

                .writeAll();

        //negative case

        Path negativeSrc = m.classes("package p; public class Negative { closedO.O o; closedN.N n; closedL.L l; }")

                .write(base.resolve("negativeSrc"));

                .options("-XDrawDiagnostics", "-mp", modules + File.pathSeparator + jarModules)

                .outdir(Files.createDirectories(base.resolve("negative")))

                .files(findJavaFiles(negativeSrc))

                .writeAll()

        List<String> expected = Arrays.asList(

                "Negative.java:1:43: compiler.err.doesnt.exist: closedO",

                "Negative.java:1:56: compiler.err.doesnt.exist: closedN",

                "Negative.java:1:69: compiler.err.doesnt.exist: closedL");

        if (!log.containsAll(expected)) {

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

        }

        //multi module mode

        m.write(modules);

                .options("-XDrawDiagnostics",

                        "-modulesourcepath", modules + "/*/src",

                        "-mp", jarModules.toString()

                )

                .outdir(Files.createDirectories(base.resolve("negative")))

                .files(findJavaFiles(modules))

                .writeAll()

        expected = Arrays.asList(

                "Negative.java:1:43: compiler.err.not.def.access.package.cant.access: closedO.O, closedO",

                "Negative.java:1:56: compiler.err.not.def.access.package.cant.access: closedN.N, closedN",

                "Negative.java:1:69: compiler.err.not.def.access.package.cant.access: closedL.L, closedL");

        if (!out.containsAll(expected)) {

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

        }

        //checks if the output does not contain messages about exported packages.

        Pattern regex = Pattern.compile("compiler\\.err.*(openO\\.O|openN\\.N|openL\\.L)");

        for (String s : out) {

            if (regex.matcher(s).find()) {

                throw new Exception("Unexpected output: " + s);

            }

        }

    }

    /**

     * Tests graph where module M reexport package of N, but N export the package only to M.

     *

    +-------------+        +--------------------+        +---------------+

    | module L    |        | module M           |        | module N      |

    |             | -----> |                    | -----> |               |

    |  requires M |        |  requires public N |        | exports P to M|

    +-------------+        |                    |        +---------------+

                           +--------------------+

    */

    @Test

    public void reexportOfQualifiedExport(Path base) throws Exception {

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

        new ModuleBuilder("M")

                .requiresPublic("N")

                .write(modules);

        new ModuleBuilder("N")

                .exportsTo("pack", "M")

                .classes("package pack; public class Clazz { }")

                .write(modules);

        new ModuleBuilder("L")

                .requires("M")

                .classes("package p; public class A { A(pack.Clazz cl){} } ")

                .write(modules);

                .options("-XDrawDiagnostics",

                        "-modulesourcepath", modules + "/*/src")

                .outdir(Files.createDirectories(base.resolve("negative")))

                .files(findJavaFiles(modules))

                .writeAll()

        String expected = "A.java:1:35: compiler.err.not.def.access.package.cant.access: pack.Clazz, pack";

        if (!log.contains(expected)) {

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

        }

    }

}