public void Test_Temperature_Mapper_Directly()
{
var sut = ServiceBuilder.Get();
var converterMapper = sut.GetRequiredService <KelvinConverterMapper>();
var mappings = _testCases.Select(tc =>
(tc.Input, tc.ExpectedResult, ActualResult: converterMapper(tc.TempScale, tc.Input)));
var tolerance = new Func <decimal, decimal>(d => Math.Round(d, 2, MidpointRounding.ToEven));
foreach (var(_, expectedResult, actualResult) in mappings)
{
Assert.Equal(tolerance(expectedResult), tolerance(actualResult));
}
}