public void Insertion_Sorter_Should_Sort_Correctly()
{
var sorter = new SelectionSorter <int>((a, b) => a.CompareTo(b));
var input = new int[] { 5, 2, 4, 6, 1, 3 };
var emptyInput = new int[] { };
sorter.Sort(input);
sorter.Sort(emptyInput);
Assert.Equal(new int[] { 1, 2, 3, 4, 5, 6 }, input);
Assert.Equal(new int[] { }, emptyInput);
}
public void Insertion_Sort_Should_Correctly_Sort_In_Decreasing_Order()
{
var sorter = new SelectionSorter <int>((a, b) => b.CompareTo(a));
var input = new int[] { 5, 2, 4, 6, 1, 3 };
var emptyInput = new int[] { };
sorter.Sort(input);
sorter.Sort(emptyInput);
Assert.Equal(new int[] { 6, 5, 4, 3, 2, 1 }, input);
Assert.Equal(new int[] { }, emptyInput);
}
public void TestWithAnEmptyCollection()
{
List<int> collection = new List<int>();
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
Assert.AreEqual(0, collection.Count);
}
static void Main(string[] args)
{
insertionsorter sorter1 = new insertionsorter();
BubbleSorter sorter2 = new BubbleSorter();
SelectionSorter sorter3 = new SelectionSorter();
int icount = 1000;
Random random = new Random();
sorter1.list = new int[icount];
sorter2.list = new int[icount];
sorter3.list = new int[icount];
for (int i = 0; i < icount; ++i)
{
sorter1.list[i] = sorter2.list[i] = sorter3.list[i] = random.Next(); //随机数组
}
Stopwatch stwatch = new Stopwatch(); //计时器设置
stwatch.Start(); //计时器开始
sorter1.Sort(); //插入排序开始
sorter2.Sort(); ////冒泡排序开始
sorter3.Sort(); //选择排序开始
stwatch.Stop(); //计时器停止
Console.WriteLine(stwatch.Elapsed.TotalMilliseconds); //输出时间
Console.ReadKey(); //按任意键继续
}
public void SelectionSortNullTest()
{
IList <int> arr = null;
SelectionSorter <int> sorter = new SelectionSorter <int>();
sorter.Sort(arr);
}
public void SelectionSortZeroTest()
{
IList <int> arr = new List <int>();
SelectionSorter <int> sorter = new SelectionSorter <int>();
sorter.Sort(arr);
}
public void TestEmptyList()
{
var sorter = new SelectionSorter();
var list = new List<int> { };
sorter.Sort(list);
Assert.AreEqual(0, list.Count);
}
public void TestProperList()
{
var sorter = new SelectionSorter();
var list = new List<int> { 3, 2, 1, 9, 7 };
sorter.Sort(list);
Assert.AreEqual(5, list.Count);
Assert.IsTrue(list.SequenceEqual(new List<int> { 1, 2, 3, 7, 9 }));
}
public void SelectionSorter_SortStringsDescending_SortsCorrectly(IList <string> actual)
{
var sorter = new SelectionSorter <string>();
sorter.Sort(actual, SortOrder.Descending);
SortAssert.IsSortedDescending(actual, Comparer <string> .Default);
}
static void Main(string[] args)
{
Coin[] arr = ArrayUtil.CreateCoinArr(10);
Console.WriteLine(ArrayUtil.ToString(arr));
SelectionSorter.Sort(arr);
Console.WriteLine(ArrayUtil.ToString(arr));
}
public void PassingOneItemCollection()
{
List<int> numbers = new List<int>() {1};
SelectionSorter<int> selectionSorter = new SelectionSorter<int>(numbers);
List<int> sortedList = new List<int>(selectionSorter.Sort());
Assert.AreEqual(numbers[0], sortedList[0]);
}
static void Main(string[] args)
{
int[] a = ArrayUtil.CreateRandomArray(20, 100);
Console.WriteLine(ArrayUtil.ToString(a));
SelectionSorter.Sort(a);
Console.WriteLine(ArrayUtil.ToString(a));
}
public static void Main()
{
List<int> numbers = new List<int>(){ 1,3,4,6,7,3,2,2,3,5,7,9,9,1 };
SelectionSorter<int> selectionSorter = new SelectionSorter<int>(numbers);
numbers = selectionSorter.Sort();
Console.WriteLine(string.Join(",", numbers));
}
public void SelectionSortTestWithOneMemberArray()
{
SelectionSorter<int> selectionSorter = new SelectionSorter<int>();
IList<int> list = new List<int>() { 1, };
IList<int> sortedList = new List<int>() { 1, };
selectionSorter.Sort(list);
Assert.AreEqual(string.Join(",", sortedList), string.Join(",", list));
}
public void SortEmptyTest()
{
List <int> testCollection = new List <int>();
SelectionSorter <int> testSelectionSorter = new SelectionSorter <int>();
testSelectionSorter.Sort(testCollection);
Assert.AreEqual(testCollection.Count, 0);
}
public void SelectionSortTestWithFilledArray()
{
SelectionSorter<int> selectionSorter = new SelectionSorter<int>();
IList<int> list = new List<int>() { 9, 3, 2, 1, 4, 6, 5, 0, 8, 7 };
IList<int> sortedList = new List<int>() { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
selectionSorter.Sort(list);
Assert.AreEqual(string.Join(",",sortedList), string.Join(",",list));
}
public void AlreadySortedNumsTest()
{
List<int> quickSorter = new List<int>() { 1, 2, 3, 4, 5 };
SelectionSorter<int> selectionSorter = new SelectionSorter<int>();
List<int> expectedArray = new List<int>() { 1, 2, 3, 4, 5 };
selectionSorter.Sort(quickSorter);
CollectionAssert.AreEqual(expectedArray, quickSorter);
}
public void SimpleQuickSortTest()
{
List<int> arrayToSort = new List<int>() { 2, 5, 3, 1, 4 };
SelectionSorter<int> selectionSorter = new SelectionSorter<int>();
List<int> expectedArray = new List<int>() { 1, 2, 3, 4, 5 };
selectionSorter.Sort(arrayToSort);
CollectionAssert.AreEqual(expectedArray, arrayToSort);
}
public void ReversedNumberSortTest()
{
List<int> arrayToSort = new List<int>() { 5, 4, 3, 2, 1 };
SelectionSorter<int> quickSorter = new SelectionSorter<int>();
List<int> selectionSorter = new List<int>() { 1, 2, 3, 4, 5 };
quickSorter.Sort(arrayToSort);
CollectionAssert.AreEqual(selectionSorter, arrayToSort);
}
public void SelectionSorter_EmptyList_RemainsEmptyList()
{
var expected = new List <string>();
var sorter = new SelectionSorter <string>();
var actual = new List <string>();
sorter.Sort(actual);
Assert.AreEqual(expected, actual);
}
public void SelectionSortTest()
{
ISorter sorter = new SelectionSorter();
sorter.Sort(data);
for (int i = 0; i < result.Count; i++)
{
Assert.IsTrue(result[i] == data[i]);
}
}
public void PassingSortedItemCollection()
{
List<int> sortedNumbers = new List<int>() { 1, 1, 2, 2, 2, 3, 4, 5, 5, 7, 8, 9 };
SelectionSorter<int> sorter = new SelectionSorter<int>(sortedNumbers);
List<int> sortedList = new List<int>(sorter.Sort());
for (int i = 0; i < sortedNumbers.Count; i++)
{
Assert.AreEqual(sortedNumbers[i], sortedList[i]);
}
}
public void TestWithOneItemCollection()
{
List<int> collection = new List<int>();
collection.Add(3);
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
Assert.AreEqual(1, collection.Count);
Assert.AreEqual(3, collection[0]);
}
public static void Main()
{
var initialNumbers = NumbersGenerator.GenerateNumberArray(50);
NumbersGenerator.ShuffleNumbers(initialNumbers);
Console.WriteLine("Unsorted numbers\n" + string.Join(" ", initialNumbers) + Environment.NewLine);
SelectionSorter.Sort(initialNumbers);
Console.WriteLine("Sorted numbers\n" + string.Join(" ", initialNumbers));
}
public void TestSortLengthOfCollection()
{
List<int> collection = new List<int>()
{
3, 5, 21, 543, 2, 12, 3, 65, 34, 234, 23, 12, 3, 43, 12, 32, 341, 24, 23
};
int count = collection.Count;
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
Assert.AreEqual(count, collection.Count);
}
public void TestSortLengthOfCollection()
{
List <int> collection = new List <int>()
{
3, 5, 21, 543, 2, 12, 3, 65, 34, 234, 23, 12, 3, 43, 12, 32, 341, 24, 23
};
int count = collection.Count;
SelectionSorter <int> sorter = new SelectionSorter <int>();
sorter.Sort(collection);
Assert.AreEqual(count, collection.Count);
}
public void SelectionSorter_Sort_PassNullCollection_ThrowArgumentNullException()
{
//
// Arrange.
//
double[] array = null;
var selectionSorter = new SelectionSorter <double>();
//
// Assert.
//
Assert.ThrowsException <ArgumentNullException>(() => selectionSorter.Sort(array));
}
private static BinaryTreeNode ConvertToBalancedTree(int[] heap)
{
var sorter = new SelectionSorter <int>((i, j) => i < j);
sorter.Sort(heap);
var list = heap.ToList();
list.RemoveAll(i => i == 0);
var array = list.ToArray();
return(ConvertToBalancedTree(array, 0, array.GetLength(0) - 1));
}
public void SortSingleTest()
{
List <int> testCollection = new List <int>()
{
1
};
SelectionSorter <int> testSelectionSorter = new SelectionSorter <int>();
testSelectionSorter.Sort(testCollection);
Assert.AreEqual(testCollection.Count, 1);
Assert.AreEqual(testCollection[0], 1);
}
public void SortExample()
{
var sorter = new SelectionSorter<int>();
var list = new List<int> {13, 5, 77, 9, 12};
sorter.Sort(list, Comparer<int>.Default);
Assert.AreEqual(5, list[0]);
Assert.AreEqual(9, list[1]);
Assert.AreEqual(12, list[2]);
Assert.AreEqual(13, list[3]);
Assert.AreEqual(77, list[4]);
}
public void Sort_DoesNotChange_OriginalInput()
{
//arrange
const int firstElement = 5, lastElement = 3;
var original = new List <int> {
firstElement, 2, 4, 6, 1, lastElement
};
var sorter = new SelectionSorter <int>();
//act
var sorted = sorter.Sort(original);
//assert
original[0].Should().Be(firstElement);
original[5].Should().Be(lastElement);
}
public void ArraySorted([Random(0, 1000, 100, Distinct = true)] int n)
{
// Arrange
var sorter = new SelectionSorter <int>();
var intComparer = new IntComparer();
var(correctArray, testArray) = RandomHelper.GetArrays(n);
// Act
sorter.Sort(testArray, intComparer);
Array.Sort(correctArray, intComparer);
// Assert
Assert.AreEqual(testArray, correctArray);
}
public void SelectionSortSortedTest()
{
var arr = new List <int>()
{
0, 11, 22, 33, 101, 101
};
SelectionSorter <int> sorter = new SelectionSorter <int>();
sorter.Sort(arr);
var expected = new List <int>()
{
0, 11, 22, 33, 101, 101
};
CollectionAssert.AreEqual(arr, expected);
}
public void SortExample()
{
var sorter = new SelectionSorter <int>();
var list = new List <int> {
13, 5, 77, 9, 12
};
sorter.Sort(list, Comparer <int> .Default);
Assert.AreEqual(5, list[0]);
Assert.AreEqual(9, list[1]);
Assert.AreEqual(12, list[2]);
Assert.AreEqual(13, list[3]);
Assert.AreEqual(77, list[4]);
}
public static void Main(string[] args)
{
Console.Out.WriteLine("Running Bubble Sort");
var sorter = new BubbleSorter();
sorter.Sort(new int[] { 4, 16, 28, 34, 23, 24, 16, 17, 4, 33, 9, 90, 87, 34, 26, 27, 28, 17, 2, 5, 6, 62 });
Console.Out.WriteLine();
Console.Out.WriteLine("Running Selection Sort");
var sorter2 = new SelectionSorter();
sorter2.Sort(new int[] { 4, 16, 28, 34, 23, 24, 16, 17, 4, 33, 9, 90, 87, 34, 26, 27, 28, 17, 2, 5, 6, 62 });
Console.Out.WriteLine();
Console.Out.WriteLine("Complete, press any key.");
Console.ReadKey();
}
public void TestSortIsSortedWithListSort()
{
List<int> collection = new List<int>()
{
3, 5, 21, 543, 2, 12, 3, 65, 34, 234, 23, 12, 3, 43, 12, 32, 341, 24, 23
};
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
List<int> collection2 = new List<int>()
{
3, 5, 21, 543, 2, 12, 3, 65, 34, 234, 23, 12, 3, 43, 12, 32, 341, 24, 23
};
collection2.Sort();
CollectionAssert.AreEqual(collection2, collection);
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeDecimal()
{
// Arrange
IList <decimal> decimalElements = new List <decimal> {
10.2m, 8.46m, 12m, -14m, 1m, -18m, 6m
};
IList <decimal> sortedDecimalElements = new List <decimal> {
-18m, -14m, 1m, 6m, 8.46m, 10.2m, 12m
};
SelectionSorter <decimal> sorter = new SelectionSorter <decimal>();
// Act
IList <decimal> actualSortedElements = sorter.Sort(decimalElements);
// Assert
Assert.AreEqual(sortedDecimalElements, actualSortedElements);
}
public void Sort_Returns_AscOrderedCollection()
{
//arrange
var original = new List <int> {
5, 2, 4, 6, 1, 3
};
var sorter = new SelectionSorter <int>();
//act
var sorted = sorter.Sort(original).ToList();
//assert
var prev = sorted[0];
for (var i = 1; i < sorted.Count; i++)
{
prev.Should().BeLessOrEqualTo(sorted[i]);
prev = sorted[i];
}
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeString()
{
// Arrange
IList <string> stringElements = new List <string> {
"gg", "ga", "p", "v", "c"
};
IList <string> sortedStringElements = new List <string> {
"c", "ga", "gg", "p", "v"
};
SelectionSorter <string> sorter = new SelectionSorter <string>();
// Act
IList <string> actualSortedElements = sorter.Sort(stringElements);
// Assert
Assert.AreEqual(sortedStringElements, actualSortedElements);
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeFloat()
{
// Arrange
IList <float> floatElements = new List <float> {
10.2f, -14f, 8.46f, 12f, 1f, -18f, 6f
};
IList <float> sortedFloatElements = new List <float> {
-18f, -14f, 1f, 6f, 8.46f, 10.2f, 12
};
SelectionSorter <float> sorter = new SelectionSorter <float>();
// Act
IList <float> actualSortedElements = sorter.Sort(floatElements);
// Assert
Assert.AreEqual(sortedFloatElements, actualSortedElements);
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeChar()
{
// Arrange
IList <char> charElements = new List <char> {
'b', 'a', 'c', 'f', 'e'
};
IList <char> sortedCharElements = new List <char> {
'a', 'b', 'c', 'e', 'f'
};
SelectionSorter <char> sorter = new SelectionSorter <char>();
// Act
IList <char> actualSortedElements = sorter.Sort(charElements);
// Assert
Assert.AreEqual(sortedCharElements, actualSortedElements);
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeInteger()
{
// Arrange
IList <int> integerElements = new List <int> {
10, 2, 8, 4, -6, 12, -20, 14, -18
};
IList <int> sortedIntegerElements = new List <int> {
-20, -18, -6, 2, 4, 8, 10, 12, 14
};
SelectionSorter <int> sorter = new SelectionSorter <int>();
// Act
IList <int> actualSortedElements = sorter.Sort(integerElements);
// Assert
Assert.AreEqual(sortedIntegerElements, actualSortedElements);
}
public void SortMethodShould_SortElementsProperly_IfTheyAreOfTypeDouble()
{
// Arrange
IList <double> doubleElements = new List <double> {
10.2d, 8.46d, 12d, -14d, 1d, -18d, 6d
};
IList <double> sortedDoubleElements = new List <double> {
-18d, -14d, 1d, 6d, 8.46d, 10.2d, 12d
};
SelectionSorter <double> sorter = new SelectionSorter <double>();
// Act
IList <double> actualSortedElements = sorter.Sort(doubleElements);
// Assert
Assert.AreEqual(sortedDoubleElements, actualSortedElements);
}
public void SortStringsTest()
{
List <string> testCollection = new List <string>()
{
"Z", "a", "A", "z", "abv", "abc"
};
SelectionSorter <string> testSelectionSorter = new SelectionSorter <string>();
testSelectionSorter.Sort(testCollection);
Assert.AreEqual(testCollection.Count, 6);
string[] expectedSortedResult = new[] { "a", "A", "abc", "abv", "z", "Z" };
for (int i = 0; i < testCollection.Count; i++)
{
Assert.AreEqual(testCollection[i], expectedSortedResult[i]);
}
}
public void SortReverseSortedTest()
{
List <int> testCollection = new List <int>()
{
int.MaxValue, 7, 1, 0, -1, int.MinValue
};
SelectionSorter <int> testSelectionSorter = new SelectionSorter <int>();
testSelectionSorter.Sort(testCollection);
Assert.AreEqual(testCollection.Count, 6);
int[] expectedSortedResult = new[] { int.MinValue, -1, 0, 1, 7, int.MaxValue };
for (int i = 0; i < testCollection.Count; i++)
{
Assert.AreEqual(testCollection[i], expectedSortedResult[i]);
}
}
public void TestWithMultipleItems()
{
List<int> collection = new List<int>();
collection.Add(3);
collection.Add(-111);
collection.Add(0);
collection.Add(24);
collection.Add(-14);
collection.Add(-1);
collection.Add(32);
collection.Add(-1);
collection.Add(7);
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
Assert.AreEqual(9, collection.Count);
Assert.IsTrue(SortableCollection<int>.IsSorted(collection));
}
public void TestSortIsSortedWithCheck()
{
List<int> collection = new List<int>()
{
3, 5, 21, 543, 2, 12, 3, 65, 34, 234, 23, 12, 3, 43, 12, 32, 341, 24, 23
};
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
bool isSorted = true;
for (int i = 0; i < collection.Count - 1; i++)
{
if (collection[i] > collection[i + 1])
{
isSorted = false;
}
}
Assert.IsTrue(isSorted);
}
public void TestNullList()
{
var sorter = new SelectionSorter();
sorter.Sort<int>(null);
}
public void TestWithNullCollection()
{
List<int> collection = null;
SelectionSorter<int> sorter = new SelectionSorter<int>();
sorter.Sort(collection);
}
