public void Not_Born_Yet(DateTime currentDate, DateTime birthDate, int actualAge)
{
"Given current date"
.x(() => currentDate = DateTime.Now);
"And birth date after current"
.x(() => birthDate = currentDate.AddYears(1));
"When I calculate age"
.x(() => actualAge = HelloCsharp.CalculateAge(currentDate, birthDate));
"Then I expect to get zero"
.x(() => actualAge.Should().Be(0, "age cannot be negative"));
}
public void Partial_Year_Does_Not_Count(DateTime currentDate, DateTime birthDate, int actualAge)
{
const int expectedAge = 2;
"Given current date"
.x(() => currentDate = new DateTime(2018, 9, 13));
$"And birth date {expectedAge+1} years minus 1 day before current date"
.x(() => birthDate = currentDate.AddYears(-(expectedAge + 1)).AddDays(1));
"When I calculate age"
.x(() => actualAge = HelloCsharp.CalculateAge(currentDate, birthDate));
$"Then I expect to get {expectedAge}"
.x(() => actualAge.Should().Be(expectedAge, "only full years count"));
}