public void ToString_SourceIsPresentAndValueToStringIsNull_ExpectEmptyString()
{
var sourceValue = new StubType(null);
var source = Optional <StubType> .Present(sourceValue);
var actual = source.ToString();
Assert.IsEmpty(actual);
}
public void ToString_SourceIsPresentAndValueToStringIsNotNull_ExpectSourceValueToStringResult(
string sourceValueToStringResult)
{
var sourceValue = new StubType(sourceValueToStringResult);
var source = Optional <StubType> .Present(sourceValue);
var actual = source.ToString();
Assert.AreEqual(sourceValueToStringResult, actual);
}