public void Peek_OnEmptyStack_ReturnExceptionMessage()
{
Stack testStack = new Stack();
string expected = "Stack is empty.";
string actual = testStack.Peek();
Assert.AreEqual(expected, actual);
}
public void IsEmpty_OnEmptyStack_ReturnTrue()
{
Stack emptyStack = new Stack();
bool expected = true;
bool actual = emptyStack.IsEmpty();
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);
}
public void IsEmpty_OnStackWithOneString_ReturnFalse()
{
Node testNode = new Node("Test");
Stack testStack = new Stack();
testStack.Push(testNode);
bool expected = false;
bool actual = testStack.IsEmpty();
Assert.AreEqual(expected, actual);
}
public void IsEmpty_OnNewlyEmptyStack_ReturnTrue()
{
Node testNode = new Node("Test");
Stack testStack = new Stack();
testStack.Push(testNode);
testStack.Pop();
bool expected = true;
bool actual = testStack.IsEmpty();
Assert.AreEqual(expected, actual);
}
public Form1()
{
InitializeComponent();
stack = new Stack();
}
