public void Add__NoOtherItemsExist__ItemAdded_and_DurationIsZero(ReadingsCollection sut)
{
// ARRANGE
var reading = new Fixture().Customize(new DefaultTempCustomization()).Create <Reading>();
// ACT
sut.Add(reading);
// ASSERT
sut.Items.First().Should().BeEquivalentTo(reading);
sut.TotalDuration.Should().BeEquivalentTo(Duration.Zero);
}
public void Add__OtherItemsExist__ItemAdded_and_DurationSumsToItemsTimeDiff(ReadingsCollection sut)
{
// ARRANGE
var readingFixture = new Fixture().Customize(new DefaultTempCustomization());
var current = readingFixture.Create <Reading>();
var next = readingFixture.Create <Reading>();
sut.Add(current);
// ACT
sut.Add(next);
// ASSERT
sut.Items.Last().Should().BeEquivalentTo(next);
sut.TotalDuration.Should().BeEquivalentTo(new Duration(next.Timestamp.Subtract(current.Timestamp)));
}
public void Clear__ItemsExist__ItemsCleared_and_DurationIsZero(ReadingsCollection sut)
{
// ARRANGE
var readingFixture = new Fixture().Customize(new DefaultTempCustomization());
var current = readingFixture.Create <Reading>();
var next = readingFixture.Create <Reading>();
sut.Add(current);
sut.Add(next);
// ACT
sut.Clear();
// ASSERT
sut.Items.Should().BeEmpty();
sut.TotalDuration.Should().BeEquivalentTo(Duration.Zero);
}
