public void IsEmpty_ForNonEmptyStack_ReturnsFalse()
{
IBasicStack <int> stack = new BasicStack <int>();
for (var i = 0; i < 3; i++)
{
stack.Push(i);
}
Assert.False(stack.IsEmpty());
}
public void IsEmpty_ForEmptyStack_ReturnsTrue()
{
IBasicStack <int> stack = new BasicStack <int>();
Assert.True(stack.IsEmpty());
}