public void EmptyArrayShouldThrowArgumentException()
{
var rotations = 7;
var array = new int[0];
var arrayRotation = new ArrayLeftRotation();
var rotatedArray = arrayRotation.RotateLeft(rotations, array);
CollectionAssert.AreEqual(array, rotatedArray);
}
public void NullArrayShouldThrowArgumentNullException()
{
var rotations = 7;
int[] array = null;
var arrayRotation = new ArrayLeftRotation();
var rotatedArray = arrayRotation.RotateLeft(rotations, array);
CollectionAssert.AreEqual(array, rotatedArray);
}
public void LeftRotate_Test()
{
var d = 4;
var list = new List <int> {
1, 2, 3, 4, 5
};
var actual = ArrayLeftRotation.LeftRotate(list, d);
Assert.Equal(new List <int> {
5, 1, 2, 3, 4
}, actual);
}
public void NegativeRotationsShouldThrowArgumentOutOfRangeException()
{
var rotations = 7;
var array = new int[5] {
1, 2, 3, 4, 5
};
var arrayRotation = new ArrayLeftRotation();
var rotatedArray = arrayRotation.RotateLeft(rotations, array);
CollectionAssert.AreEqual(array, rotatedArray);
}
public void OneRotationsShouldReturnUpdatedArray()
{
var rotations = 1;
var inputArray = new int[5] {
1, 2, 3, 4, 5
};
var expectedArray = new int[5] {
2, 3, 4, 5, 1
};
var arrayRotation = new ArrayLeftRotation();
var rotatedArray = arrayRotation.RotateLeft(rotations, inputArray);
CollectionAssert.AreEqual(expectedArray, rotatedArray);
}
public void RotationsEqualToArrayLengthShouldReturnSameArray()
{
var inputArray = new int[5] {
1, 2, 3, 4, 5
};
var rotations = inputArray.Length;
var expectedArray = new int[5] {
1, 2, 3, 4, 5
};
var arrayRotation = new ArrayLeftRotation();
var rotatedArray = arrayRotation.RotateLeft(rotations, inputArray);
CollectionAssert.AreEqual(expectedArray, rotatedArray);
}
public void Test(int[] a, int d, int[] expected)
{
Assert.Equal(expected, ArrayLeftRotation.Execute(a, d));
}