public void TestIntPrim()
{
Stack.Clear();
var intPrim = new IntPrim(13);
intPrim.Eval();
var val = Stack.Pop();
val.Should().Be(13);
Stack.Should().BeEmpty();
}
public void TestDefinition()
{
using (var nf = new Session())
{
var intPrim10 = new IntPrim(10);
var intPrim20 = new IntPrim(20);
var plus = Vocabulary.Lookup("+");
var dup = Vocabulary.Lookup("Dup");
plus.Should().NotBeNull();
dup.Should().NotBeNull();
// Should be 20 + 2 * 10 = 40.
var def = new WordList("", intPrim20, intPrim10, dup, plus, plus);
def.Eval();
var val = Session.Stack.Pop();
Session.Stack.Should().BeEmpty();
val.Should().Be(40, "because 20 + 2 * 10 = 40");
}
}
