/*
 * Copyright (c) 2018, 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 Test for service providers that throw LinkageError on load.
 * @run testng BadClassFileTest
 */

import java.io.Writer;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ServiceConfigurationError;
import java.util.ServiceLoader;

import org.testng.annotations.Test;

/**
 * Test for service providers that throw LinkageError on load.
 */

public class BadClassFileTest {

    private static final Path USER_DIR   = Paths.get(System.getProperty("user.dir"));

    /**
     * XXX
     */
    @Test(expectedExceptions = ServiceConfigurationError.class)
    public void testBrokenClassViaMetaInf() throws Exception {
        Path classes = Files.createTempDirectory(USER_DIR, "classes");
        Path registration = classes.resolve("META-INF").resolve("services").resolve("java.lang.Runnable");

        Files.createDirectories(registration.getParent());

        try (Writer w = Files.newBufferedWriter(registration)) {
            w.write("test.Test");
        }

        Path clazz = classes.resolve("test").resolve("Test.class");

        Files.createDirectories(clazz.getParent());

        try (Writer w = Files.newBufferedWriter(clazz)) {
            w.write("broken");
        }
        
        ClassLoader cl = new URLClassLoader(new URL[] {classes.toUri().toURL()});
        
        for (Runnable r : ServiceLoader.load(Runnable.class, cl)) {
        }
    }

}