Exemple #1
0
        public void SortHandler_Handle_SequenceHasNumbers_ReturnsSortResultWithExpectedValues()
        {
            IStringToCollectionParser <decimal> parser = new StubIStringToCollectionParser <decimal>()
            {
                ParseStringToCollectionString = (strSeq) => new decimal[] { 2, 1, 3 }
            };
            IStepCounter stepCounter = new StubIStepCounter()
            {
                CountSwapOperation    = () => { },
                CountCompareOperation = () => { }
            };
            ISortStrategyFactory factory = new StubISortStrategyFactory()
            {
                CreateSortSortAlgorithmEnumSortTypeEnumIStepCounter = (alg, type, counter) => new StubISortStrategy()
                {
                    SortIEnumerableOfDecimal = (seq) => new StubISortResult()
                    {
                        CompareOperationsCountGet = () => 2,
                        SwapOperationsCountGet    = () => 1,
                        SortedNumbersGet          = () => new decimal[] { 1, 2, 3 }
                    }
                }
            };

            decimal[] expectedSequence     = new decimal[] { 1, 2, 3 };
            int       expectedCompareCount = 2;
            int       expectedSwapCount    = 1;
            var       handler = new SortHandler(parser, factory);

            ISortResult sortResult = handler.Handle("2 1 3", SortAlgorithmEnum.InsertionSort, SortTypeEnum.Ascending, stepCounter);

            Assert.AreEqual(expectedCompareCount, sortResult.CompareOperationsCount, "Comapare operations are not equal");
            Assert.AreEqual(expectedSwapCount, sortResult.SwapOperationsCount, "Swap counts are not equal");
            CollectionAssert.AreEqual(expectedSequence, sortResult.SortedNumbers.ToArray(), "Sequences are not equal.");
        }
Exemple #2
0
        public void SortHandler_Handle_StepCounterIsNull_ThrowArgumentNullException()
        {
            IStringToCollectionParser <decimal> parser = new StubIStringToCollectionParser <decimal>();
            string sequence = "1 2";
            ISortStrategyFactory factory = new StubISortStrategyFactory();

            var handler = new SortHandler(parser, factory);

            Assert.ThrowsException <ArgumentNullException>(() => handler.Handle(sequence, SortAlgorithmEnum.InsertionSort, SortTypeEnum.Ascending, null));
        }