public void Push_Should_AddItem_When_ThereIsOnlyOneSpaceLeft()
{
var obj = new CircularStack <int>(2);
obj.Push(1);
obj.Push(2);
Assert.AreEqual(2, obj.Count);
obj.ShouldContainElementsInOrder(2, 1);
}
public void Push_Should_AddItem()
{
var arr = new List <string> {
"a", "b"
};
var obj = new CircularStack <string>(arr, 4);
obj.Push("c");
Assert.AreEqual(3, obj.Count);
obj.ShouldContainElementsInOrder("c", "b", "a");
}
public void Push_Should_Work_When_StackIsInitializedFromCollection()
{
var arr = new List <string> {
"a", "b", "c"
};
var obj = new CircularStack <string>(arr, 5);
var expected = "d";
obj.Push(expected);
obj.ShouldContainElementsInOrder("d", "c", "b", "a");
}
public void Pop_Should_RemoveItem()
{
var arr = new List <string> {
"a", "b"
};
var obj = new CircularStack <string>(arr);
obj.Pop();
Assert.AreEqual(1, obj.Count);
obj.ShouldContainElementsInOrder("a");
}
public void Push_Should_DropLastItem_When_StackIsFull()
{
var expected = "b";
var arr = new List <string> {
"a", expected
};
var obj = new CircularStack <string>(arr);
obj.Push("c");
obj.ShouldContainElementsInOrder("c", "b");
}
public void Pop_Should_WorkAfterPush()
{
var expected = "k";
var arr = new List <string> {
"a", "b", "d"
};
var obj = new CircularStack <string>(arr);
obj.Push(expected);
var actual = obj.Pop();
Assert.AreSame(expected, actual);
obj.ShouldContainElementsInOrder("d", "b");
}
public void Push_Should_WorkAfterPop()
{
var expected = "c";
var arr = new List <string> {
"a", "b", "d"
};
var obj = new CircularStack <string>(arr);
obj.Pop();
obj.Push(expected);
Assert.AreSame(expected, obj.Peek());
obj.ShouldContainElementsInOrder("c", "b", "a");
}