public void Constructor_IncorrectParams_ThrowsExeption()
{
string[] arr = new string[10];
CustomQueue <int> queue = new CustomQueue <int>();
Assert.Throws <ArgumentException>(() => queue.CopyTo(arr, 0));
}
public void CustomQueue_CopyTo_NullArray_Test()
{
var customQueue = new CustomQueue <int>();
customQueue.Enqueue(1);
customQueue.Enqueue(2);
customQueue.Enqueue(3);
customQueue.Enqueue(4);
Assert.Throws <ArgumentNullException>(() => customQueue.CopyTo(null, 2));
}
public void CopyToShouldThrowArgumentExceptionIfGivenArrayIsNull()
{
//Arange
var queue = new CustomQueue <int>();
//Act
queue.Enqueue(1);
var ex = Assert.ThrowsException <ArgumentException>(() => queue.CopyTo(null, 0));
//Assert
Assert.AreEqual(givenArrayWasNull, ex.Message);
}
public void CustomQueue_CopyTo_NegativeIndex_Test()
{
var array = new[] { 7, 7, 7, 7, 7, 7, 7, 7 };
var customQueue = new CustomQueue <int>();
customQueue.Enqueue(1);
customQueue.Enqueue(2);
customQueue.Enqueue(3);
customQueue.Enqueue(4);
Assert.Throws <ArgumentOutOfRangeException>(() => customQueue.CopyTo(array, -2));
}
public void CustomQueue_CopyTo_InvalidBigIndex_Test()
{
var array = new[] { 7, 7, 7, 7, 7, 7, 7, 7 };
var customQueue = new CustomQueue <int>();
customQueue.Enqueue(1);
customQueue.Enqueue(2);
customQueue.Enqueue(3);
customQueue.Enqueue(4);
Assert.Throws <InvalidOperationException>(() => customQueue.CopyTo(array, 20));
}
public void CustomQueue_CopyTo_InvalidIndex_NotEnoughPlaceForInsert_Test()
{
var array = new[] { 7, 7, 7, 7, 7, 7, 7, 7 };
var customQueue = new CustomQueue <int>();
customQueue.Enqueue(1);
customQueue.Enqueue(2);
customQueue.Enqueue(3);
customQueue.Enqueue(4);
Assert.Throws <ArgumentException>(() => customQueue.CopyTo(array, 6));
}
public void CopyToShouldThrowArgumentExceptionIfGivenIndexIsTooBig()
{
//Arange
var queue = new CustomQueue <int>();
var array = new CustomArray <int>(queue.Count);
//Act
queue.Enqueue(1);
var ex = Assert.ThrowsException <ArgumentException>(() => queue.CopyTo(array, 2));
//Assert
Assert.AreEqual(theGivenParametarWasTooBig, ex.Message);
}
public void CopyToShouldThrowIndexOutOfRangeExceptionIfGivenIndexIsLessThanZero()
{
//Arange
var queue = new CustomQueue <int>();
var array = new CustomArray <int>(queue.Count);
//Act
queue.Enqueue(1);
var ex = Assert.ThrowsException <IndexOutOfRangeException>(() => queue.CopyTo(array, -1));
//Assert
Assert.AreEqual(givenParametarWasOutOfRange, ex.Message);
}
public void CustomQueue_CopyTo_Int_Test()
{
var array = new[] { 7, 7, 7, 7, 7, 7, 7, 7 };
var resultArray = new[] { 7, 7, 1, 2, 3, 4, 7, 7 };
var customQueue = new CustomQueue <int>();
customQueue.Enqueue(1);
customQueue.Enqueue(2);
customQueue.Enqueue(3);
customQueue.Enqueue(4);
customQueue.CopyTo(array, 2);
CollectionAssert.AreEqual(array, resultArray);
}
public void CopyTo_CorrectParamsInt_FillsArrayWithQueueElements()
{
List <int> list = new List <int> {
1, 2, 3, 4
};
CustomQueue <int> queue = new CustomQueue <int>(list);
int expected = 1;
int[] arr = { 88, 88, 88, 88, 88, 88 };
queue.CopyTo(arr, 0);
int actual = arr[0];
Assert.AreEqual(expected, actual);
}
public void Queue_CopyTo_ArgumentException_Test()
{
string[] strArray = new string[2];
Assert.That(() => queue.CopyTo(strArray, 1), Throws.TypeOf <ArgumentException>());
}
