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

 *

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 *

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 * version 2 for more details (a copy is included in the LICENSE file that

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 *

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 * 2 along with this work; if not, write to the Free Software Foundation,

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/**

 * @test

 * @bug 8175990

 * @summary source in symbolic link

 * @library /tools/lib

 * @modules

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

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

 * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask ModuleTestBase

 * @run main SourceInSymlinkTest

 */

import java.nio.file.*;

import javax.tools.*;

import toolbox.JarTask;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.ToolBox;

public class SourceInSymlinkTest extends ModuleTestBase {

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

        SourceInSymlinkTest t = new SourceInSymlinkTest();

        t.runTests();

    }

    @Test

    public void testModuleSourcePath(Path base) throws Exception {

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

        Path src_m = src.resolve("m");

        tb.writeFile(src_m.resolve("module-info.java"), "module m { }");

        tb.writeJavaFiles(src_m, "package p; public class A{}");

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

        Files.createDirectories(classes);

        new JavacTask(tb)

            .options("--module-source-path", src.toString())

            .outdir(classes)

            .files(src_m.resolve("p/A.java"))

            .run()

            .writeAll();

        checkFiles(

            classes.resolve("m/module-info.class"),

            classes.resolve("m/p/A.class"));

        // ok normal case works, now create a symlink to the source

        Path lsrc = base.resolve("link");

        Path lsrc_m = src.resolve("m");

        Path lclasses = base.resolve("link-out");

        Files.createDirectories(lclasses);

        try {

            Files.createSymbolicLink(lsrc, Paths.get("src"));

        } catch (FileSystemException fse) {

            System.err.println("warning: test passes vacuously, sym-link could not be created");

            System.err.println(fse.getMessage());

            return;

        }

        new JavacTask(tb)

            .options("--module-source-path", lsrc.toString())

            .outdir(lclasses)

            .files(lsrc_m.resolve("p/A.java"))

            .run()

            .writeAll();

        checkFiles(

            lclasses.resolve("m/module-info.class"),

            lclasses.resolve("m/p/A.class"));

    }

    void checkFiles(Path... files) throws Exception {

        for (Path f: files) {

            if (!Files.exists(f))

                throw new Exception("expected file not found: " + f);

        }

    }

}