public void SetterShouldThrowIndexOutOfRangeExceptionDueToIncorrectIndex(int index, int value)
{
//arrange
ReIndexedArray <int> arr = new ReIndexedArray <int>(-2, 5);
//act
Action action = () => arr[index] = value;
//assert
Assert.Throws <IndexOutOfRangeException>(action);
}
public void GetterShouldReturnValueFromTheArrayByIndex(int index, int value)
{
//arrange
ReIndexedArray <int> arr = new ReIndexedArray <int>(-2, 5);
int expected = 0;
//act
int a = arr[index];
//assert
Assert.Equal(expected, a);
}
public void SetterShouldSetValueInTheArrayByIndex(int index, int value)
{
//arrange
ReIndexedArray <int> arr = new ReIndexedArray <int>(-2, 5);
int expected = value;
//act
arr[index] = value;
//assert
Assert.Equal(expected, arr[index]);
}
public void ToArrayShouldReturnValuesOfTheArrayInArrayForm()
{
//arrange
int[] expected = new int[] { 1, 2, 6, 3, 5 };
ReIndexedArray <int> arr = new ReIndexedArray <int>(expected, 1, 5);
//act
int[] actual = arr.ToArray();
//assert
Assert.Equal(expected, actual);
}
public void EqualsShouldCompareTwoDifferentInstances()
{
//arrange
ReIndexedArray <string> stringArr = new ReIndexedArray <string>(-1, 1);
ReIndexedArray <int> intArr = new ReIndexedArray <int>(-1, 1);
bool expected = false;
//act
bool actual = stringArr.Equals(intArr);
//assert
Assert.Equal(expected, actual);
}
public void EqualsShouldCompareTwoSameInstances()
{
//arrange
ReIndexedArray <string> firstStringArr = new ReIndexedArray <string>(-1, 1);
ReIndexedArray <string> secondStringArr = firstStringArr;
bool expected = true;
//act
bool actual = firstStringArr.Equals(secondStringArr);
//assert
Assert.Equal(expected, actual);
}
public void OverridedToStringShouldReturnValuesOfTheArrayInStringForm()
{
//arrange
int[] data = new int[] { 1, 2, 6, 3, 5 };
ReIndexedArray <int> arr = new ReIndexedArray <int>(data, 1, 5);
string expected = string.Empty;
for (int i = 0; i < data.Length - 1; i++)
{
expected += string.Format("[" + data[i] + "], ");
}
expected += string.Format("[" + data[data.Length - 1] + "];");
//act
string actual = arr.ToString();
//assert
Assert.Equal(expected, actual);
}
