public void EmittedSerializerIsValid()
{
NullableDateTimeConverter converter = new NullableDateTimeConverter();
DateTime? date = new DateTime(2019, 5, 4, 3, 2, 1);
DynamicMethod serialize = new DynamicMethod("Serialize", typeof(string), new Type[] { typeof(DateTime?), typeof(IFormatProvider), typeof(char) }, typeof(DateTimeConverterTests));
serialize.GetILGenerator()
.DeclareLocal <DateTime?>(out LocalBuilder nullableLocal)
.DeclareLocal <DateTime>(out LocalBuilder local)
.Newobj <StringBuilder>()
.Ldarg_0()
.Emit(gen => converter.EmitAppendToStringBuilder(gen, nullableLocal, local, null))
.Callvirt <StringBuilder>("ToString")
.Ret();
string serialized = (string)serialize.Invoke(null, new object?[] { date, CultureInfo.InvariantCulture, ',' }) !;
serialized.Should().Be("05/04/2019 03:02:01");
}
public void CanEmitSerializerWithCustomDateFormat()
{
NullableDateTimeConverter converter = new NullableDateTimeConverter();
DateTime? date = new DateTime(2019, 5, 4, 3, 2, 1);
CsvColumnAttribute attribute = new CsvColumnAttribute("Date")
{
DateFormat = "yyyy/MMM/dd H:mm:ss"
};
DynamicMethod serialize = new DynamicMethod("Serialize", typeof(string), new Type[] { typeof(DateTime?), typeof(IFormatProvider), typeof(char) }, typeof(DateTimeConverterTests));
serialize.GetILGenerator()
.DeclareLocal <DateTime?>(out LocalBuilder nullableLocal)
.DeclareLocal <DateTime>(out LocalBuilder local)
.Newobj <StringBuilder>()
.Ldarg_0()
.Emit(gen => converter.EmitAppendToStringBuilder(gen, nullableLocal, local, attribute))
.Callvirt <StringBuilder>("ToString")
.Ret();
string serialized = (string)serialize.Invoke(null, new object?[] { date, CultureInfo.InvariantCulture, ',' }) !;
serialized.Should().Be("2019/May/04 3:02:01");
}
