public void ShouldReplaceMappedQueueItem(BiConverter <Converter <TestObj, int>, IComparer <TestObj>, SortedMappedQueue <TestObj> > queueCreator)
{
// given
Converter <TestObj, int> keyExtractor = obj => obj.Id;
var comparer = Comparers.CompareBy <TestObj, DateTime>(obj => obj.Date);
var queue = queueCreator(keyExtractor, comparer);
var obj1 = new TestObj {
Id = 1, Date = new DateTime(2015, 6, 17, 13, 30, 0)
};
var obj2 = new TestObj {
Id = 1, Date = new DateTime(2015, 6, 17, 15, 30, 0)
};
var obj3 = new TestObj {
Id = 2, Date = new DateTime(2015, 6, 17, 13, 35, 0)
};
// when
var offer1Accepted = queue.Offer(obj1);
var offer2Accepted = queue.Offer(obj2);
var offer3Accepted = queue.Offer(obj3);
queue.Put(obj2);
// then
Check.That(offer1Accepted).IsTrue();
Check.That(offer2Accepted).IsFalse();
Check.That(offer3Accepted).IsTrue();
Check.That(queue).ContainsExactly(obj3, obj2);
}
public void ShouldCreateComparerWithComparableConverter()
{
// given
Converter <TestObj, int> comparableConverter = obj => obj.Value;
var comparer = Comparers.CompareBy(comparableConverter);
var list = new List <TestObj>
{
new TestObj {
Value = 5
},
new TestObj {
Value = 3
},
new TestObj {
Value = 1
},
new TestObj {
Value = 4
}
};
// when
list.Sort(comparer);
// then
Check.That(list).ContainsExactly(
new TestObj {
Value = 1
},
new TestObj {
Value = 3
},
new TestObj {
Value = 4
},
new TestObj {
Value = 5
});
}