public void Convert_TargetTypeIsNull_ShouldThrow()
{
// arrange
var source = new Celcius(23);
const Type nullTargetType = null;
// act & assert
_target.Invoking(t => t.Convert(source, nullTargetType))
.ShouldThrow<ArgumentNullException>();
}
public void Convert_ConverterIsRegistered_ShouldConvert()
{
// arrange
var source = new Celcius(0);
// act
var actual = _target.Convert(source, typeof(Kelvin));
// assert
actual.Should().NotBeNull("The value should have been converted");
actual.Should().BeOfType<Kelvin>("The value should have been converted to a Kelvin");
}
public void Convert_NoRegisteredConverter_ShouldThrow()
{
// arrange
var source = new Celcius(23);
var targetType = typeof(Farenheit);
// act & assert
_target.Invoking(t => t.Convert(source, targetType))
.ShouldThrow<ConversionNotRegisteredException>()
.And.Message.Should()
.Contain(source.GetType().Name)
.And.Contain(targetType.Name);
}