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from creole import *
import unittest
import ffi
class ProgramTest(unittest.TestCase):
def test_oneline(self):
p = Program()
p.parse_asm_line("PUSH r0")
b = p()
self.assertEqual(b, b'\x01\xC2\x80\x00')
def test_large_reg(self):
p = Program(regnum=0x8000000)
p.parse_asm_line("PUSH r134217727")
b = p()
self.assertEqual(b, b'\x01\xFC\x87\xbf\xbf\xbf\xbf\x00')
def test_two(self):
p = Program()
p.parse_asm_line("PUSH r1")
p.parse_asm_line("ADD r1 5 6")
b = p()
self.assertEqual(b, b'\x01\xC2\x81\x00\x03\xC2\x81\xC0\x85\xC0\x86\x00')
def test_label(self):
p = Program()
b_ex = bytes()
p.parse_asm_line("CLB l0")
b_ex = b_ex + b'\x07\xC0\x80\x00'
p.parse_asm_line("pop r0")
b_ex = b_ex + b'\x02\xC2\x80\x00'
p.parse_asm_line("pop r1")
b_ex = b_ex + b'\x02\xC2\x81\x00'
p.parse_asm_line("mul r2 r0 r1")
b_ex = b_ex + b'\x04\xC2\x82\xC2\x80\xC2\x81\x00'
p.parse_asm_line("push r2")
b_ex = b_ex + b'\x01\xC2\x82\x00'
p.parse_asm_line("push r2")
b_ex = b_ex + b'\x01\xC2\x82\x00'
p.parse_asm_line("jl l0 r2 10")
b_ex = b_ex + b'\x06\xC0\x80\xC2\x82\xC0\x8A\x00'
b = p()
self.assertEqual(b, b_ex)
def test_parse_reg(self):
p = Program()
p.parse_asm_line("push r5")
ins = ffi.parse_line(p())
self.assertEqual(ins[0], instructions["push"].opcode)
self.assertEqual(ins[1][0], (1,5))
if __name__ == "__main__":
unittest.main()
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