def test_mptr_inc_dec(self):
m = Machine(program='+++>+++>+++>++++')
m.run()
self.assertEqual(3, m.mem_at(0))
self.assertEqual(3, m.mem_at(1))
self.assertEqual(3, m.mem_at(2))
self.assertEqual(4, m.mcell)
m.reset_program()
m.load_program('>>>-<--<---<----')
m.run()
self.assertEqual(0, m.mcell)
self.assertEqual(0, m.mem_at(1))
self.assertEqual(1, m.mem_at(2))
self.assertEqual(3, m.mem_at(3))
def test_loop(self):
m = Machine(program='+++++')
self.assertEqual(5, m.run())
self.assertEqual(5, m.mem_at(0))
m.reset_program()
m.load_program('[-]')
self.assertEqual(11, m.run())
self.assertEqual(0, m.mcell)
def test_digits(self):
m = Machine()
from string import digits
program = '+'*14 + '=' + '-'*14 + '>'.join('+'*i for i in range(len(digits)))
program += '<'*(program.count('>'))
program += '>'.join('?' for _ in range(len(digits)))
m.load_program(program)
m.run()
for index, val in enumerate(digits):
self.assertEqual(ord(val), m.mem_at(index))
def test_ascii_uppercase(self):
m = Machine()
from string import ascii_uppercase
program = '+'*13 + '=' + '-'*13 + '>'.join('+'*i for i in range(len(ascii_uppercase)))
program += '<'*(program.count('>'))
program += '>'.join('?' for _ in range(len(ascii_uppercase)))
m.load_program(program)
m.run()
for index, val in enumerate(ascii_uppercase):
self.assertEqual(ord(val), m.mem_at(index))
def test_tbas(self):
m = Machine()
from tbas.badge_io import tbas_chars
program = '+'*15 + '=' + '-'*15 + '>'.join('+'*i for i in range(len(tbas_chars)))
program += '<'*(program.count('>'))
program += '>'.join('?' for _ in range(len(tbas_chars)))
m.load_program(program)
m.run()
for index, val in enumerate(tbas_chars):
self.assertEqual(ord(val), m.mem_at(index))
def test_buffer_fifo(self):
m = Machine(program='+'*8 + '=?-?-?-?-?-?-?-?' + '+'*9 + '=->?>?>?>?>?>?>?>?')
m.run()
for i in range(9, 0, -1):
self.assertEqual(i, m.mem_at(9 - i))
def test_buffer_filo(self):
m = Machine(program='+'*8 + '=?-?-?-?-?-?-?-?' + '+'*8 + '=>?>?>?>?>?>?>?>?')
m.run()
self.assertEqual(9, m.mem_at(0))
for i in range(1, 9):
self.assertEqual(i, m.mem_at(i))
def test_nested_loop(self):
m = Machine(program='+++++[>+++[>+<-]<-]')
m.run()
self.assertEqual(15, m.mem_at(2))