public void Peek_OnEmptyStack_ReturnExceptionMessage() { Stack testStack = new Stack(); string expected = "Stack is empty."; string actual = testStack.Peek(); Assert.AreEqual(expected, actual); }
public void Peek_OnPopulatedStack_ReturnString() { Node testNode = new Node("test"); Stack testStack = new Stack(); testStack.Push(testNode); string expected = "test"; string actual = testStack.Peek(); Assert.AreEqual(expected, actual); }