public void SelectionSort_ReturnsNull_WhenArrayIsEmpty()
{
int[] testArray = { };
var result = SelectionSortFunctions.SelectionSort(testArray);
Assert.IsNull(result);
}
public void FindIndexOfSmallestValue_ReturnsSmallestValueIndex_WhenArrayIsValidAndMixedSigns()
{
int[] testArray = { 5, -22, 9, 0, -10 };
var result = SelectionSortFunctions.FindIndexOfSmallestValue(testArray);
Assert.AreEqual(1, result);
}
public void FindIndexOfSmallestValue_ReturnsSmallestValueIndex_WhenArrayIsValidAndAllPositive()
{
int[] testArray = { 5, 2, 9, 0, 10 };
var result = SelectionSortFunctions.FindIndexOfSmallestValue(testArray);
Assert.AreEqual(3, result);
}
public void FindIndexOfSmallestValue_ReturnsNull_WhenArrayIsEmpty()
{
int[] testArray = { };
var result = SelectionSortFunctions.FindIndexOfSmallestValue(testArray);
Assert.IsNull(result);
}
public void SelectionSort_ReturnsOrderedArray_WhenArrayIsValid()
{
int[] testArray = { 9, -10, 2, -5, 11, 23 };
int[] expectedResult = { -10, -5, 2, 9, 11, 23 };
var result = SelectionSortFunctions.SelectionSort(testArray);
Assert.That(result, Is.EqualTo(expectedResult));
}
public void FindIndexOfSmallestValue_ReturnsException_WhenArrayNull()
{
int[] testArray = null;
Assert.That(() => SelectionSortFunctions.FindIndexOfSmallestValue(testArray), Throws.ArgumentNullException);
}
public void SelectionSort_ReturnsException_WhenArrayIsNull()
{
int[] testArray = null;
Assert.That(() => SelectionSortFunctions.SelectionSort(testArray), Throws.ArgumentNullException);
}