public void CopyToShouldThrowBinaryTreeExceptionDueToIncorrectArrayIndex()
{
//arrange
BinaryTree <int> tree = new BinaryTree <int>();
BinaryTreeException expected = new BinaryTreeException("Index is less then 0.");
//act
int[] nodes = new int[7];
nodes[0] = 5;
nodes[1] = 5;
nodes[2] = 5;
Action action = () => tree.CopyTo(nodes, -1);
BinaryTreeException actual = Assert.Throws <BinaryTreeException>(action);
//assert
Assert.Contains(expected.Message, actual.Message);
}
public void CopyToShouldThrowBinaryTreeExceptionDueToNotEnoughElementInArray()
{
//arrange
BinaryTree <int> tree = new BinaryTree <int>()
{
1, 1, 1, 1, 1, 1, 1
};
BinaryTreeException expected = new BinaryTreeException("Not enough elements after index in the destination array.");
//act
//fix
int[] nodes = new int[7];
nodes[0] = 5;
nodes[1] = 5;
nodes[2] = 5;
Action action = () => tree.CopyTo(nodes, 2);
BinaryTreeException actual = Assert.Throws <BinaryTreeException>(action);
//assert
Assert.Contains(expected.Message, actual.Message);
}
