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from creole import *
import unittest
import ffi
class PushTest(unittest.TestCase):
def test_parse_push_reg(self):
p = Program()
p.parse_asm_line("push r5")
b = p()
self.assertEqual(b, b'\x01\xC2\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (1,5))
def test_parse_push_imm(self):
p = Program()
p.parse_asm_line("push 5")
b = p()
self.assertEqual(b, b'\x01\xC0\x85\x00')
ins = ffi.parse_line(b)
self.assertEqual(ins[0], Instruction.PUSH.opcode)
self.assertEqual(ins[1][0], (0,5))
def test_parse_push_catch_typecheck_push_lab(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("push l0")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l0')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 1)
def test_parse_push_catch_typecheck_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push r1 r2")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_parse_push_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("push")
self.assertEqual(cm.exception.opcode, 1)
self.assertEqual(cm.exception.insargs, [])
self.assertEqual(cm.exception.argtypelen, 1)
def test_large_reg(self):
p = Program(reglen=0x8000000)
p.parse_asm_line("PUSH r134217727")
b = p()
self.assertEqual(b, b'\x01\xFC\x87\xbf\xbf\xbf\xbf\x00')
def test_compile_push(self):
p = Program()
p.parse_asm_line("PUSH r0")
p.parse_asm_line("PUSH 6")
b = p()
ex = ffi.Environment()
self.assertEqual(ex.load(b), ffi.CompileRet.OK)
self.assertEqual(ex.cenv.prgend, 2)
self.assertEqual(ex.cenv.prg[0].opcode, 1)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 0)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
self.assertEqual(ex.cenv.prg[1].opcode, 1)
self.assertEqual(ex.cenv.prg[1].w_flags[0], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[1].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[1].w[0], 6)
self.assertEqual(ex.cenv.prg[1].w[1], 0)
self.assertEqual(ex.cenv.prg[1].w[2], 0)
def test_push_many(self):
p = Program()
stklen = 40
for n in range(0,stklen):
p.parse_asm_line("PUSH 5")
ex = ffi.Environment(stklen=stklen)
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
for n in range(0,stklen):
self.assertEqual(ex.cenv.stk[n], 5)
def test_push_overflow(self):
p = Program()
stklen = 40
for n in range(0, stklen + 1):
p.parse_asm_line("PUSH 5")
ex = ffi.Environment(stklen=stklen)
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STACK_OVERFLOW)
class PopTest(unittest.TestCase):
def test_compile_pop_reg(self):
p = Program()
p.parse_asm_line("pop r9")
b = p()
self.assertEqual(b, b'\x02\xC2\x89\x00')
ex = ffi.Environment()
self.assertEqual(ex.load(b), ffi.CompileRet.OK)
self.assertEqual(ex.cenv.prgend, 1)
self.assertEqual(ex.cenv.prg[0].opcode, 2)
self.assertEqual(ex.cenv.prg[0].w_flags[0], 1)
self.assertEqual(ex.cenv.prg[0].w_flags[1], 0)
self.assertEqual(ex.cenv.prg[0].w_flags[2], 0)
self.assertEqual(ex.cenv.prg[0].w[0], 9)
self.assertEqual(ex.cenv.prg[0].w[1], 0)
self.assertEqual(ex.cenv.prg[0].w[2], 0)
def test_compile_throw_pop_literal(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop 6")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '6')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_pop_label(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("pop l9")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, 'l9')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 2)
def test_compile_throw_argument_overflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("pop r1 r2")
self.assertEqual(cm.exception.opcode, 2)
self.assertEqual(cm.exception.insargs, ["r1", "r2"])
self.assertEqual(cm.exception.argtypelen, 1)
def test_catch_typecheck_argument_underflow(self):
p = Program()
with self.assertRaises(TypecheckLenException) as cm:
p.parse_asm_line("pop")
self.assertEqual(cm.exception.opcode, 2)
self.assertEqual(cm.exception.insargs, [])
def test_pop_underflow(self):
p = Program()
p.parse_asm_line("pop r0")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
def test_pop_underflow_2(self):
p = Program()
p.parse_asm_line("push 5")
p.parse_asm_line("pop r0")
p.parse_asm_line("pop r1")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
class AddTest(unittest.TestCase):
def test_exec_add(self):
p = Program()
p.parse_asm_line("add r0 1 1")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 2)
def test_exec_add_neg(self):
p = Program()
p.parse_asm_line("add r0 10 20")
p.parse_asm_line("add r1 5 0")
p.parse_asm_line("add r1 r0 -40")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 30)
self.assertEqual(ex.cenv.reg[1], word_2c(10))
def test_exec_add_throw_imm(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add 5 6 7")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '5')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 3)
def test_exec_add_throw_lab_1(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add r0 l6 7")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l6')
self.assertEqual(cm.exception.i, 1)
self.assertEqual(cm.exception.opcode, 3)
def test_exec_add_throw_lab_2(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("add r0 12 l24")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l24')
self.assertEqual(cm.exception.i, 2)
self.assertEqual(cm.exception.opcode, 3)
class MulTest(unittest.TestCase):
def test_exec_mul_imm_imm(self):
p = Program()
p.parse_asm_line("mul r0 2 2")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 4)
def test_exec_mul_imm_neg_imm(self):
p = Program()
p.parse_asm_line("mul r0 -5 5")
p.parse_asm_line("mul r1 r0 -5")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], word_2c(25))
self.assertEqual(ex.cenv.reg[1], 125)
def test_exec_mul_throw_imm(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul 942 6 7")
self.assertEqual(cm.exception.argtype, ArgType.REG)
self.assertEqual(cm.exception.sarg, '942')
self.assertEqual(cm.exception.i, 0)
self.assertEqual(cm.exception.opcode, 4)
def test_exec_mul_throw_lab_1(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul r9 l2 1991")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l2')
self.assertEqual(cm.exception.i, 1)
self.assertEqual(cm.exception.opcode, 4)
def test_exec_mul_throw_lab_2(self):
p = Program()
with self.assertRaises(TypecheckException) as cm:
p.parse_asm_line("mul r0 -11 l48")
self.assertEqual(cm.exception.argtype, ArgType.VAL)
self.assertEqual(cm.exception.sarg, 'l48')
self.assertEqual(cm.exception.i, 2)
self.assertEqual(cm.exception.opcode, 4)
class ProgramTest(unittest.TestCase):
def test_exec_simple_reg(self):
p = Program()
p.parse_asm_line("push 5")
p.parse_asm_line("push 6")
p.parse_asm_line("pop r0")
p.parse_asm_line("pop r1")
ex = ffi.Environment()
self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
self.assertEqual(ex(), ffi.RunRet.STOP)
self.assertEqual(ex.cenv.reg[0], 6)
self.assertEqual(ex.cenv.reg[1], 5)
if __name__ == "__main__":
unittest.main()
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