def test_xor(self):
io = IO(2,1)
a = Nand()
b = Nand()
c = Nand()
d = Nand()
io.i[0].connect(a.i[0])
io.i[0].connect(b.i[0])
io.i[1].connect(a.i[1])
io.i[1].connect(c.i[1])
a.o[0].connect(b.i[1])
a.o[0].connect(c.i[0])
b.o[0].connect(d.i[0])
c.o[0].connect(d.i[1])
d.o[0].connect(io.o[0])
results = io.calc()
self.assertEqual(results, {'00': '0',
'01': '1',
'10': '1',
'11': '0'})
def test_half_adder(self):
io = IO(2,2)
a = Nand()
b = Nand()
c = Nand()
d = Nand()
e = Nand()
io.i[0].connect(a.i[0])
io.i[0].connect(b.i[0])
io.i[1].connect(a.i[1])
io.i[1].connect(c.i[1])
a.o[0].connect(b.i[1])
a.o[0].connect(c.i[0])
b.o[0].connect(d.i[0])
c.o[0].connect(d.i[1])
d.o[0].connect(io.o[0])
a.o[0].connect(e.i[0])
a.o[0].connect(e.i[1])
e.o[0].connect(io.o[1])
results = io.calc()
self.assertEqual(results, {'00': '00',
'01': '10',
'10': '10',
'11': '01'})
def test_not(self):
io = IO(1,1)
a = Nand()
io.i[0].connect(a.i[0])
io.i[0].connect(a.i[1])
a.o[0].connect(io.o[0])
results = io.calc()
self.assertEqual(results, {'0': '1',
'1': '0'})