/// <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 = RatioFormatter.GetInstance();
var dividend_yield_forecast = new PropertyDescrption("dividend_yield_forecast", "配当利回り（会社予想）", "%");
var dividend_yield_actual = new PropertyDescrption("dividend_yield_forecast", "配当利回り（実績）", "%");
var others = new PropertyDescrption("any", "any", "%");
string formatted;
// 配当
formatted = formatter.Format("1.23456789", dividend_yield_forecast);
Assert.AreEqual("1.23", formatted);
formatted = formatter.Format("9.87654321", dividend_yield_forecast);
Assert.AreEqual("9.88", formatted);
formatted = formatter.Format("12.3456789", dividend_yield_forecast);
Assert.AreEqual("12.35", formatted);
formatted = formatter.Format("0.0", dividend_yield_forecast);
Assert.AreEqual("0.00", formatted);
formatted = formatter.Format("1.23456789", dividend_yield_actual);
Assert.AreEqual("1.23", formatted);
formatted = formatter.Format("9.87654321", dividend_yield_actual);
Assert.AreEqual("9.88", formatted);
formatted = formatter.Format("12.3456789", dividend_yield_actual);
Assert.AreEqual("12.35", formatted);
formatted = formatter.Format("0.00000000", dividend_yield_actual);
Assert.AreEqual("0.00", formatted);
// 配当以外
formatted = formatter.Format("1.23456789", others);
Assert.AreEqual("1.2", formatted);
formatted = formatter.Format("9.87654321", others);
Assert.AreEqual("9.9", formatted);
formatted = formatter.Format("12.3456789", others);
Assert.AreEqual("12.3", formatted);
formatted = formatter.Format("0.0000000", others);
Assert.AreEqual("0.0", formatted);
}