public void MutateTest()
{
// Arrange
int seed = 1337;
RandomNullMutator valid1 = new RandomNullMutator();
object sample1 = null;
var initResult1 = valid1.Init(sample1, seed);
IEnumerable <int> numbers = Enumerable.Range(1, 100);
string[] inputArray = numbers.Select(i => i.ToString()).ToArray();
List <bool> successArray = new List <bool>();
List <string> resultArray = new List <string>();
// Act
foreach (string str in inputArray)
{
(bool success, string possibleError, object result) = valid1.Mutate(str);
successArray.Add(success);
resultArray.Add((string)result);
}
// Assert
CollectionAssert.AllItemsAreUnique(inputArray);
CollectionAssert.DoesNotContain(inputArray, "null");
CollectionAssert.AreNotEqual(inputArray, resultArray);
CollectionAssert.Contains(resultArray, "null");
}
public void InitTest()
{
// Arrange
int seed = 1337;
RandomNullMutator valid1 = new RandomNullMutator();
RandomNullMutator valid2 = new RandomNullMutator();
RandomNullMutator valid3 = new RandomNullMutator();
RandomNullMutator invalid1 = new RandomNullMutator();
object sample1 = null;
int sample2 = 30;
double sample3 = 0.7;
object sample4 = new object();
// Act
var initResult1 = valid1.Init(sample1, seed);
var initResult2 = valid2.Init(sample2, seed);
var initResult3 = valid3.Init(sample3, seed);
var initResult4 = invalid1.Init(sample4, seed);
// Assert
Assert.IsTrue(initResult1.success);
Assert.IsTrue(initResult2.success);
Assert.IsTrue(initResult3.success);
Assert.IsTrue(string.IsNullOrEmpty(initResult1.possibleError));
Assert.IsTrue(string.IsNullOrEmpty(initResult2.possibleError));
Assert.IsTrue(string.IsNullOrEmpty(initResult3.possibleError));
Assert.IsFalse(initResult4.success);
Assert.IsFalse(string.IsNullOrEmpty(initResult4.possibleError));
}
