package org.davidmoten.rx.jdbc.pool; import java.sql.Connection; import org.davidmoten.rx.jdbc.ConnectionProvider; import org.junit.Test; import org.mockito.Mockito; public class NonBlockingConnectionPoolTest { @Test(expected = IllegalArgumentException.class) public void testRejectSingletonConnectionProvider() { Connection con = Mockito.mock(Connection.class); NonBlockingConnectionPool.builder().connectionProvider(ConnectionProvider.from(con)); } }