public void IndexOutOfRangeIsCheckedCorrectly()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var higherPriorityDummy = PriorityItemHelper.CreatePriorityMock(0);
var arr = new IPriorityItem[1];
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
sut.TryAdd(higherPriorityDummy.Object);
var act = new Action(() => sut.CopyTo(arr, -1));
// act
// assert
act.Should().Throw <ArgumentOutOfRangeException>();
}
public void ArraySizeIsCheckedCorrectlyForCopying()
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var higherPriorityDummy = PriorityItemHelper.CreatePriorityMock(0);
var arr = new IPriorityItem[1];
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
sut.TryAdd(higherPriorityDummy.Object);
var act = new Action(() => sut.CopyTo(arr, 0));
// act
// assert
act.Should().Throw <ArgumentException>("Target array is too small to copy items");
}
public void CopyingToArrayWorksCorrectly(int startIndex)
{
// arrange
var itemDummy = PriorityItemHelper.CreatePriorityMock(1);
var higherPriorityDummy = PriorityItemHelper.CreatePriorityMock(0);
var arr = new IPriorityItem[3];
var sut = new PriorityCollection <IPriorityItem>();
sut.TryAdd(itemDummy.Object);
sut.TryAdd(higherPriorityDummy.Object);
// act
sut.CopyTo(arr, startIndex);
// assert
for (var r = 0; r < startIndex; r++)
{
arr[r].Should().BeNull();
}
arr[startIndex].Should().Be(higherPriorityDummy.Object);
arr[startIndex + 1].Should().Be(itemDummy.Object);
}
