public static void FindIndex_ArrayEmpty_MinusOneReturned([Random(100)] int itemToSearch)
{
// Arrange
var searcher = new LinearSearcher <int>();
var inputArray = new int[0];
// Act
var actualIndex = searcher.FindIndex(inputArray, itemToSearch);
// Assert
Assert.AreEqual(-1, actualIndex);
}
public static void FindIndex_MissingItem_MinusOneRetured([Random(0, 1000, 100)] int maxLimit, [Random(-100, 1100, 10)] int missingItem)
{
// Arrange
var searcher = new LinearSearcher <int>();
var random = Randomizer.CreateRandomizer();
var inputArray = Enumerable.Range(0, maxLimit).Select(x => random.Next(0, 1000)).Where(x => x != missingItem).OrderBy(x => x).ToArray();
// Act
var actualIndex = searcher.FindIndex(inputArray, missingItem);
// Assert
Assert.AreEqual(-1, actualIndex);
}
public static void FindIndex_CorrectItemInList_CorrectIndex([Random(1, 1000, 100)] int maxLimit)
{
//Arrange
var searcher = new LinearSearcher <int>();
var randomizer = Randomizer.CreateRandomizer();
var inputArray = Enumerable.Range(0, maxLimit).Select(t => randomizer.Next(0, 1000)).OrderBy(t => t).ToArray();
var selectedIndex = randomizer.Next(0, maxLimit);
//Act
var actualIndex = searcher.FindIndex(inputArray, inputArray[selectedIndex]);
//Assert
Assert.AreEqual(inputArray[selectedIndex], inputArray[actualIndex]);
}
public static void FindIndex_NullArray_MinusOneReturned([Random(100)] int itemToSearch)
{
//Arrange
var searcher = new LinearSearcher <int>();
var randomizer = Randomizer.CreateRandomizer();
int[] inputArray = null;
//Act
var actualIndex = searcher.FindIndex(inputArray, itemToSearch);
//Assert
Assert.AreEqual(-1, actualIndex);
}
