t.Errorf("failed to update with named arg")
	}

	AssertEqual(t, result6, namedUser)

	var result7 NamedUser
	if err := DB.Where("name1 = @name OR name2 = @name", sql.Named("name", "jinzhu-new")).Where("name3 = 'jinzhu-new3'").First(&result7).Error; err == nil || !errors.Is(err, gorm.ErrRecordNotFound) {
		t.Errorf("should return record not found error, but got %v", err)
	}

	DB.Delete(&namedUser)

	var result8 NamedUser

	}

	// Code changed, price should changed
	DB.Model(&product).Select("Name", "Code", "Price").Updates(map[string]interface{}{"Name": "Product New3", "code": "L1213"})

	if product.Name != "Product New3" || product.Price != 220 || product.Code != "L1213" {
		t.Errorf("invalid data after update, got %+v", product)
	}

	var result Product3
	DB.First(&result, product.ID)

        CharMappingItem item = new CharMappingItem(1L, inputs, "oldOutput");

        item.setNewInputs(new String[] { "new1", "new2", "new3" });
        item.setNewOutput("newOutput");

        // Should use new values when updated
        assertEquals("new1,new2,new3=>newOutput", item.toLineString());
    }

    @Test
    public void test_toLineString_withSingleInput() {
        String[] inputs = { "single" };

        }
    }

    // Test update with InputStream
    @Test
    public void test_update_withInputStream() throws IOException {
        String content = "new1\n" + "new2\n" + "new3\n";

        InputStream is = new ByteArrayInputStream(content.getBytes(StandardCharsets.UTF_8));
        stopwordsFile.update(is);

        assertEquals(3, stopwordsFile.stopwordsItemList.size());