public void SortStrategy_ConstructorISortTypeIStepCounter_StepCounterIsNull_ThrowArgumentNullException()
{
ISortType sortType = new StubISortType()
{
UpdateIEnumerableOfDecimal = (notUpdatedSequence) => notUpdatedSequence
};
Assert.ThrowsException <ArgumentNullException>(() => GetSortStrategy(sortType, null));
}
public void SortStrategy_Sort_SequenceIsNull_ThrowArgumentNullException()
{
ISortType sortType = new StubISortType()
{
UpdateIEnumerableOfDecimal = (notUpdatedSequence) => notUpdatedSequence
};
IStepCounter stepCounter = new StubIStepCounter()
{
CountSwapOperation = () => { },
CountCompareOperation = () => { }
};
var sortStrategy = GetSortStrategy(sortType, stepCounter);
Assert.ThrowsException <ArgumentNullException>(() => sortStrategy.Sort(null));
}
public void SortStrategy_Sort_SequenceIsEmpty_ReturnEmptySequence()
{
ISortType sortType = new StubISortType()
{
UpdateIEnumerableOfDecimal = (notUpdatedSequence) => notUpdatedSequence
};
IStepCounter stepCounter = new StubIStepCounter()
{
CountSwapOperation = () => { },
CountCompareOperation = () => { }
};
var sortStrategy = GetSortStrategy(sortType, stepCounter);
var expectedSequence = new decimal[1];
ISortResult sortResult = sortStrategy.Sort((new decimal[1]));
CollectionAssert.AreEqual(expectedSequence, sortResult.SortedNumbers.ToArray());
}
