/// <summary>
/// 使用すべきフォーマッタを返します。
/// </summary>
/// <param name="description">項目定義</param>
/// <returns>フォーマッタ</returns>
public static IFormatter Create(PropertyDescrption description = null)
{
if (description == null)
{
return(InactionFormatter.GetInstance());
}
switch (description.Unit)
{
case "円":
case "百万円":
return(CurrencyFormatter.GetInstance());
case "%":
return(RatioFormatter.GetInstance());
case "株":
case "倍":
case "日":
case "ヶ月":
case "人":
return(NumericFormatter.GetInstance());
case "年":
default:
return(InactionFormatter.GetInstance());
}
}
public void TestFormat()
{
var formatter = CurrencyFormatter.GetInstance();
var yen = new PropertyDescrption("any", "any", "円");
var millionYen = new PropertyDescrption("any", "any", "百万円");
string formatted;
// 円
// カンマの処理だけ
formatted = formatter.Format("1", yen);
Assert.AreEqual("1", formatted);
formatted = formatter.Format("10000", yen);
Assert.AreEqual("10,000", formatted);
formatted = formatter.Format("-1000000", yen);
Assert.AreEqual("-1,000,000", formatted);
formatted = formatter.Format("", yen);
Assert.AreEqual("", formatted);
// 百万円
// 単位の調整もやる
formatted = formatter.Format("1000000", millionYen);
Assert.AreEqual("1", formatted);
formatted = formatter.Format("1000000000", millionYen);
Assert.AreEqual("1,000", formatted);
formatted = formatter.Format("-1000000000000", millionYen);
Assert.AreEqual("-1,000,000", formatted);
formatted = formatter.Format("999999", millionYen);
Assert.AreEqual("0", formatted);
formatted = formatter.Format("", millionYen);
Assert.AreEqual("", formatted);
}
