public void Returns_value_from_ByteValueRetriever_when_passed_not_empty_string()
{
Func <string, byte> func = v =>
{
if (v == "test value")
{
return(12);
}
if (v == "another test value")
{
return(34);
}
return(0);
};
var retriever = new NullableByteValueRetriever(func);
retriever.GetValue("test value").ShouldEqual <byte?>(12);
retriever.GetValue("another test value").ShouldEqual <byte?>(34);
}
public void Returns_null_when_passed_empty_string()
{
var retriever = new NullableByteValueRetriever(v => 3);
retriever.GetValue(string.Empty).ShouldBeNull();
}
public void Returns_null_when_the_value_is_null()
{
var retriever = new NullableByteValueRetriever(v => 0);
retriever.GetValue(null).ShouldBeNull();
}
