/*
    *    Copyright 2009-2022 the original author or authors.
    *
    *    Licensed under the Apache License, Version 2.0 (the "License");
    *    you may not use this file except in compliance with the License.
    *    You may obtain a copy of the License at
    *
    *       https://www.apache.org/licenses/LICENSE-2.0
    *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.apache.ibatis.type;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.never;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import org.junit.jupiter.api.Test;
  
  class CharacterTypeHandlerTest extends BaseTypeHandlerTest {
  
    private static final TypeHandler<Character> TYPE_HANDLER = new CharacterTypeHandler();
  
    @Override
    @Test
    public void shouldSetParameter() throws Exception {
      TYPE_HANDLER.setParameter(ps, 1, 'a', null);
      verify(ps).setString(1, "a");
    }
  
    @Test
    public void shouldSetNullParameter() throws Exception {
      TYPE_HANDLER.setParameter(ps, 1, null, JdbcType.VARCHAR);
      verify(ps).setNull(1, JdbcType.VARCHAR.TYPE_CODE);
    }
  
    @Override
    @Test
    public void shouldGetResultFromResultSetByName() throws Exception {
      when(rs.getString("column")).thenReturn("a");
      assertEquals(Character.valueOf('a'), TYPE_HANDLER.getResult(rs, "column"));
      verify(rs, never()).wasNull();
    }
  
    @Override
    @Test
    public void shouldGetResultNullFromResultSetByName() throws Exception {
      when(rs.getString("column")).thenReturn(null);
      assertNull(TYPE_HANDLER.getResult(rs, "column"));
      verify(rs, never()).wasNull();
    }
  
    @Override
    @Test
    public void shouldGetResultFromResultSetByPosition() throws Exception {
      when(rs.getString(1)).thenReturn("a");
      assertEquals(Character.valueOf('a'), TYPE_HANDLER.getResult(rs, 1));
      verify(rs, never()).wasNull();
    }
  
    @Override
    @Test
    public void shouldGetResultNullFromResultSetByPosition() throws Exception {
      when(rs.getString(1)).thenReturn(null);
      assertNull(TYPE_HANDLER.getResult(rs, 1));
      verify(rs, never()).wasNull();
    }
  
    @Override
    @Test
    public void shouldGetResultFromCallableStatement() throws Exception {
      when(cs.getString(1)).thenReturn("a");
      assertEquals(Character.valueOf('a'), TYPE_HANDLER.getResult(cs, 1));
      verify(cs, never()).wasNull();
    }
  
    @Override
    @Test
    public void shouldGetResultNullFromCallableStatement() throws Exception {
      when(cs.getString(1)).thenReturn(null);
      assertNull(TYPE_HANDLER.getResult(cs, 1));
      verify(cs, never()).wasNull();
    }
  
    @Test
    void testEmptyStringGetStringByName() throws Exception {
      when(rs.getString("column")).thenReturn("");
      assertNull(TYPE_HANDLER.getResult(rs, "column"));
      verify(rs, never()).wasNull();
    }
  
    @Test
    void testEmptyStringGetStringByIndex() throws Exception {
     when(rs.getString(1)).thenReturn("");
     assertNull(TYPE_HANDLER.getResult(rs, 1));
     verify(rs, never()).wasNull();
   }
 
   @Test
   void testEmptyStringCallableStatementGetStringByIndex() throws Exception {
     when(cs.getString(1)).thenReturn("");
     assertNull(TYPE_HANDLER.getResult(cs, 1));
     verify(cs, never()).wasNull();
   }
 }