public void Test_to_rankine_from_celsius_with_invalid_parameter_throws_exception()
{
// Arrange.
var inputCelsius = new CelsiusInt(int.MaxValue);
// Act.
var result = Assert.Throws <ArgumentOutOfRangeException>(() => inputCelsius.ToRankine());
// Assert.
result.Message.Should().Contain("Value out of range for type.");
}
public void Test_to_rankine_from_celsius_returns_correct_value()
{
// Arrange.
const int expected = 852;
var input = new CelsiusInt(200);
// Act.
var result = input.ToRankine();
// Assert.
result.Should().Be(expected);
}