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

 *

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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 8152062

 * @summary obscure error message for bad 'provides'

 * @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 ObscureMessageForBadProvidesTest

 */

import java.nio.file.Path;

import toolbox.JavacTask;

import toolbox.Task;

import toolbox.ToolBox;

public class ObscureMessageForBadProvidesTest extends ModuleTestBase {

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

        new ObscureMessageForBadProvidesTest().runTests();

    }

    @Test

    public void theTest(Path base) throws Exception {

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

        tb.writeJavaFiles(mod, "module mod { provides java.lang.String with java.io.File; }");

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

        tb.createDirectories(classes);

        String log = new JavacTask(tb)

                .options("-XDrawDiagnostics")

                .outdir(classes)

                .files(findJavaFiles(mod))

                .run(Task.Expect.FAIL)

                .writeAll()

                .getOutput(Task.OutputKind.DIRECT);

        if (!log.startsWith("module-info.java:1:52: compiler.err.service.implementation.must.be.subtype.of.service.interface"))

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

    }

}