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

 *

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 * under the terms of the GNU General Public License version 2 only, as

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 *

 * 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).

 *

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

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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/*

 * @test

 * @bug 8162712

 * @summary StandardJavaFileManager.getModuleLocation() can't find a module

 * @library /tools/lib

 * @modules

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

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

 * @build toolbox.JavacTask toolbox.ToolBox

 * @run main GetLocationForModuleTest

 */

import java.io.IOException;

import java.nio.file.*;

import java.util.*;

import javax.tools.*;

import toolbox.JavacTask;

import toolbox.ToolBox;

public class GetLocationForModuleTest extends ModuleTestBase {

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

        new GetLocationForModuleTest().run(Paths.get("."));

    }

    public void run(Path base) throws Exception {

        // Set up some trivial modules

        Path moduleSrc = base.resolve("module-src");

        Path m1 = moduleSrc.resolve("m1x");

        tb.writeJavaFiles(m1, "module m1x { }");

        Path m2 = moduleSrc.resolve("m2x");

        tb.writeJavaFiles(m2, "module m2x { }");

        Path modulePath = base.resolve("module-path");

        Files.createDirectories(modulePath);

        new JavacTask(tb)

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

                .outdir(modulePath)

                .files(findJavaFiles(moduleSrc))

                .run()

                .writeAll();

        // Init file manager

        StandardJavaFileManager fm =

                ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null);

        fm.setLocationFromPaths(StandardLocation.MODULE_PATH, Arrays.asList(modulePath));

        // Test

        test(fm, StandardLocation.SYSTEM_MODULES, "java.base", "java.compiler");

        test(fm, StandardLocation.MODULE_PATH, "m1x", "m2x");

    }

    void test(JavaFileManager fm, JavaFileManager.Location locn, String... mods) throws IOException {

        for (String mod : mods) {

            JavaFileManager.Location modLocn = fm.getLocationForModule(locn, mod);

            if (modLocn == null) {

                error(locn.getName() + ": can't find " + mod);

            } else {

                System.err.println(locn.getName() + ": found " + mod + ": " + modLocn.getName());

            }

        }

    }

}