public void CannotPeekEmpty_Peek_Test()
{
// Arrange
var stack = new CheckedLayeredStack <string>();
// Assert
Assert.Throws <NutmegException>(() => stack.Peek());
}
public void Simple_PeekAndPeekItem_Test()
{
// Arrange
var stack = new CheckedLayeredStack <string>();
// Act
stack.Push("a");
stack.Push("b");
var b = stack.Peek();
var a = stack.PeekItem(1);
// Assert
Assert.Equal("b", b);
Assert.Equal("a", a);
}
