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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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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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 * 2 along with this work; if not, write to the Free Software Foundation,
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/* @test
 * @bug 4937962 8318150
 * @summary ProxySelector.connectFailed and .select never throw IllegalArgumentException
 * @run junit NullArguments
 */
import java.net.*;
import java.io.IOException;
import java.util.stream.Stream;

import org.junit.jupiter.api.Assumptions;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

import static org.junit.jupiter.api.Assertions.*;

public class NullArguments {

    public static Stream<ProxySelector> testProxies() {
        return Stream.of(
                ProxySelector.getDefault(),
                ProxySelector.of(new InetSocketAddress(1234)));
    }

    @ParameterizedTest
    @MethodSource("testProxies")
    void testNullArguments(ProxySelector ps) throws URISyntaxException {
        Assumptions.assumeTrue(ps != null, "Skipping null selector");
        assertThrows(IllegalArgumentException.class,
                () -> ps.select(null),
                "Expected IllegalArgumentException!");
        URI uri = new URI("http://java.sun.com");
        SocketAddress sa = new InetSocketAddress("localhost", 80);
        IOException ioe = new IOException("dummy IOE");
        assertThrows(IllegalArgumentException.class,
                () -> ps.connectFailed(uri, sa, null),
                "Expected IllegalArgumentException!");
        assertThrows(IllegalArgumentException.class,
                () -> ps.connectFailed(uri, null, ioe),
                "Expected IllegalArgumentException!");
        assertThrows(IllegalArgumentException.class,
                () -> ps.connectFailed(null, sa, ioe),
                "Expected IllegalArgumentException!");
    }
}