private string GetItemString(T item)
{
if (item == null)
{
return(string.Empty);
}
if (toStringFunc == null)
{
toStringFunc = ToStringExpression.Compile();
}
object value = null;
try
{
value = toStringFunc.Invoke(item);
}
catch (NullReferenceException) { }
if (value == null)
{
return(string.Empty);
}
if (string.IsNullOrEmpty(Format))
{
return(value.ToString());
}
return(string.Format(CultureInfo.CurrentCulture, $"{{0:{Format}}}", value));
}
public static void SerializeToStringExpression()
{
var a = new ToStringExpression(new NumberLiteral(2));
var b = SerializationUtil.Reserialize(a);
Assert.AreEqual(a, b);
}
public void TestMethod3_only_var()
{
ToStringExpression result = ToStringELParser.ParseExpression("@description");
Assert.AreEqual("{0}", result.ConstExpression);
Assert.AreEqual(1, result.FieldNames.Count);
Assert.AreEqual("description", result.FieldNames[0]);
}
public void TestMethod2()
{
ToStringExpression result = ToStringELParser.ParseExpression("valor @description e unidade= @unidade");
Assert.AreEqual("valor {0} e unidade= {1}", result.ConstExpression);
Assert.AreEqual(2, result.FieldNames.Count);
Assert.AreEqual("description", result.FieldNames[0]);
Assert.AreEqual("unidade", result.FieldNames[1]);
}
