public void AddingSingleItemToCollectionWorksCorrectly()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var sut = new PriorityCollection <IPriorityItem>();
// act
var result = sut.TryAdd(itemDummy.Object);
// assert
result.Should().BeTrue();
sut.AsEnumerable().First().Should().Be(itemDummy.Object);
}
public void AddingSecondItemToCollectionAddsItInTheCorrectPosition()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var higherPriorityDummy = PriorityItemHelper.CreatePriorityMock(0);
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
// act
var result = sut.TryAdd(higherPriorityDummy.Object);
// assert
result.Should().BeTrue();
sut.AsEnumerable().First().Should().Be(higherPriorityDummy.Object);
}
public void AddingPrioritylessItemWillAddItToTheEndOfTheCollection()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var unprioritizedDummy = PriorityItemHelper.CreatePriorityMock(null);
unprioritizedDummy.SetupAllProperties();
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
// act
var result = sut.TryAdd(unprioritizedDummy.Object);
// assert
result.Should().BeTrue();
sut.AsEnumerable().Last().Should().Be(unprioritizedDummy.Object);
unprioritizedDummy.Object.Priority.Should().Be(1);
}
public void AdjustingItemPriorityMovesTheItemToTheCorrectLocation()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var higherPriorityDummy = PriorityItemHelper.CreatePriorityMock(0);
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
sut.TryAdd(higherPriorityDummy.Object);
higherPriorityDummy
.Setup(t => t.Priority)
.Returns(2);
// act
higherPriorityDummy.Raise(t => t.PriorityChanged += null, new EventArgs());
// assert
sut.AsEnumerable().Last().Should().Be(higherPriorityDummy.Object);
}
