public void Zipper_returns_properly_if_list_1_has_more_values()
{
// Arrange
LinkedList list1 = new LinkedList();
LinkedList list2 = new LinkedList();
list1.Insert(0);
list1.Insert(1);
list1.Insert(3);
list1.Insert(5);
list2.Insert(2);
list2.Insert(4);
LinkedList expected = new LinkedList();
expected.Insert(0);
expected.Insert(1);
expected.Insert(2);
expected.Insert(3);
expected.Insert(4);
expected.Insert(5);
// Act
LinkedList result = LLChallenges.Zipper(list1, list2);
// Assert
Assert.Equal(expected.ToString(), result.ToString());
}
public void Zipper_returns_1_list_of_2_lists_alternating_values()
{
// Arrange
LinkedList list1 = new LinkedList();
LinkedList list2 = new LinkedList();
list1.Insert(2);
list1.Insert(4);
list1.Insert(6);
list2.Insert(1);
list2.Insert(3);
list2.Insert(5);
LinkedList expected = new LinkedList();
expected.Insert(1);
expected.Insert(2);
expected.Insert(3);
expected.Insert(4);
expected.Insert(5);
expected.Insert(6);
// Act
LinkedList result = LLChallenges.Zipper(list1, list2);
// Assert
Assert.Equal(expected.ToString(), result.ToString());
}
public void Zipper_returns_properly_if_lists_are_different_lengths()
{
// Arrange
LinkedList list1 = new LinkedList();
LinkedList list2 = new LinkedList();
list1.Insert(4);
list2.Insert(1);
list2.Insert(2);
list2.Insert(3);
LinkedList expected = new LinkedList();
expected.Insert(1);
expected.Insert(2);
expected.Insert(3);
expected.Insert(4);
// Act
LinkedList result = LLChallenges.Zipper(list1, list2);
// Assert
Assert.Equal("{ 4 } -> null", list1.ToString());
Assert.Equal("{ 3 } -> { 2 } -> { 1 } -> null", list2.ToString());
Assert.Equal(expected.ToString(), result.ToString());
}
public void Zipper_zipps_with_empty_list()
{
// Arrange
LinkedList list1 = new LinkedList();
LinkedList list2 = new LinkedList();
list2.Insert(1);
list2.Insert(2);
list2.Insert(3);
LinkedList expected = new LinkedList();
expected.Insert(1);
expected.Insert(2);
expected.Insert(3);
// Act
LinkedList result = LLChallenges.Zipper(list1, list2);
// Assert
Assert.Equal(expected.ToString(), result.ToString());
}