public void Poke_does_not_modify_StackPointer()
{
var uut = new ThreadStack();
uut.Poke(Variable.One);
uut.StackPointer.Should().Be(0);
}
public void Poke_modifies_top_value()
{
var uut = new ThreadStack();
uut.Poke(Variable.One);
var result = uut.Peek();
result.Should().Be(Variable.One);
}
public void Poke_with_param_modifies_the_item_offset_from_StackPointer()
{
var uut = new ThreadStack();
uut.Push(Variable.One);
uut.Push(2);
uut.Poke(-2, 15);
var result = uut.Peek(-2);
result.GetInteger().Should().Be(15);
}