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  package org.apache.cayenne.access.jdbc;
  
  import com.mockrunner.mock.jdbc.MockConnection;
  import com.mockrunner.mock.jdbc.MockResultSet;
  import com.mockrunner.mock.jdbc.MockStatement;
  import org.apache.cayenne.DataRow;
  import org.apache.cayenne.access.jdbc.reader.DefaultRowReaderFactory;
  import org.apache.cayenne.access.jdbc.reader.RowReader;
  import org.apache.cayenne.access.types.ExtendedTypeMap;
  import org.apache.cayenne.dba.DbAdapter;
  import org.apache.cayenne.map.ObjAttribute;
  import org.apache.cayenne.query.MockQueryMetadata;
  import org.junit.Test;
  
  import java.sql.Connection;
  import java.sql.Statement;
  import java.util.Collections;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertNotNull;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.Mockito.mock;
  
  public class JDBCResultIteratorTest {
  
  	@Test
  	public void testNextDataRow() throws Exception {
  		Connection c = new MockConnection();
  		Statement s = new MockStatement(c);
  		MockResultSet rs = new MockResultSet("rs");
  		rs.addColumn("a", new Object[] { "1", "2", "3" });
  
  		RowDescriptor descriptor = new RowDescriptorBuilder().setResultSet(rs).getDescriptor(new ExtendedTypeMap());
  		RowReader<?> rowReader = new DefaultRowReaderFactory().rowReader(descriptor, new MockQueryMetadata(),
  				mock(DbAdapter.class), Collections.<ObjAttribute, ColumnDescriptor> emptyMap());
  
  		JDBCResultIterator it = new JDBCResultIterator(s, rs, rowReader);
  
  		DataRow row = (DataRow) it.nextRow();
  
  		assertNotNull(row);
  		assertEquals(1, row.size());
  		assertEquals("1", row.get("a"));
  	}
  
  	@Test
  	public void testClose() throws Exception {
  		Connection c = new MockConnection();
  		MockStatement s = new MockStatement(c);
  		MockResultSet rs = new MockResultSet("rs");
  		rs.addColumn("a", new Object[] { "1", "2", "3" });
  
  		RowReader<?> rowReader = mock(RowReader.class);
  
  		try (JDBCResultIterator it = new JDBCResultIterator(s, rs, rowReader);) {
  
  			assertFalse(rs.isClosed());
  			assertFalse(s.isClosed());
  			assertFalse(c.isClosed());
  		}
  
  		assertTrue(rs.isClosed());
  		assertTrue(s.isClosed());
  	}
  
  }
  