public void StackWithArray_Peek_should_throw_exception_when_stack_is_empty()
{
try
{
st.Peek();
Assert.Fail();
}
catch (InvalidOperationException ex)
{
Assert.AreEqual("The stack is empty", ex.Message);
}
catch (Exception)
{
Assert.Fail();
}
}
public void Peek_An_Element_In_A_Stack_With_No_Element()
{
var stack = new StackWithArray <int>();
var item = stack.Peek();
Assert.Equal(0, item);
Assert.Equal(0, stack.Length);
Assert.Equal(0, stack.Top);
Assert.Equal(0, stack.Bottom);
}
public int Min()
{
if (_minStack.IsEmpty())
{
return(int.MaxValue);
}
else
{
return(_minStack.Peek());
}
}
public void Peek_Element_In_A_Stack_With_One_Element()
{
var stack = new StackWithArray <int>();
stack.Push(20);
var item = stack.Peek();
Assert.Equal(20, item);
Assert.Equal(1, stack.Length);
Assert.Equal(20, stack.Top);
Assert.Equal(20, stack.Bottom);
}
public void Push_WhenCalled_ShouldAddItemToTopOfStack(int capacity, int range)
{
// Arrange
_stack = new StackWithArray <int>(capacity);
// Act
for (var i = 1; i <= range; i++)
{
_stack.Push(i);
}
// Assert
Assert.That(_stack.Peek(), Is.EqualTo(range));
Assert.That(_stack.Size, Is.EqualTo(range));
}
private static void Main()
{
IStackWithArray<int> testStack = new StackWithArray<int>();
Console.WriteLine("Push");
testStack.Push(23);
testStack.Push(13);
testStack.Push(7);
testStack.Push(5);
testStack.Push(15);
testStack.Push(243);
testStack.Push(544);
testStack.Push(42);
Console.WriteLine("Pushed: " + string.Join(", ", testStack));
Console.WriteLine("Peek: " + testStack.Peek());
Console.WriteLine("Pop: " + testStack.Pop());
Console.WriteLine("Poped: " + string.Join(", ", testStack));
Console.WriteLine("Count: " + testStack.Count());
Console.WriteLine("Contains 13: " + testStack.Contains(13));
Console.WriteLine("Contains 42: " + testStack.Contains(42));
Console.WriteLine("Trim excess");
testStack.TrimExcess();
}
private static void Main()
{
IStackWithArray <int> testStack = new StackWithArray <int>();
Console.WriteLine("Push");
testStack.Push(23);
testStack.Push(13);
testStack.Push(7);
testStack.Push(5);
testStack.Push(15);
testStack.Push(243);
testStack.Push(544);
testStack.Push(42);
Console.WriteLine("Pushed: " + string.Join(", ", testStack));
Console.WriteLine("Peek: " + testStack.Peek());
Console.WriteLine("Pop: " + testStack.Pop());
Console.WriteLine("Poped: " + string.Join(", ", testStack));
Console.WriteLine("Count: " + testStack.Count());
Console.WriteLine("Contains 13: " + testStack.Contains(13));
Console.WriteLine("Contains 42: " + testStack.Contains(42));
Console.WriteLine("Trim excess");
testStack.TrimExcess();
}
public void Peek_WhenStackIsEmpty_ShouldThrowInvalidOperationException()
{
// Arrange & Act & Assert
Assert.Throws <InvalidOperationException>(() => _stack.Peek());
}