def setUpInstruction(op_code, cfg, data_type=VAL_BOOL):
instruction = Instruction(op_code)
instruction.cfg_mask = cfg
instruction.rd = 1
instruction.ra = 2
instruction.rb = 3
instruction.imma = 122
instruction.immb = 123
instruction.address = 124
instruction.type = data_type
return instruction
def test_decode_next(self):
# add r3 r1 r2
expected_instruction_add = Instruction(OP_ADD,
rd=3,
ra=1,
rb=2,
cfg_mask=CFG_RR)
self.assertEqual(expected_instruction_add, self.decoder.decode_next())
self.assertEqual(1, self.decoder.next_instruction_index)
# sub r3 r1 122
expected_instruction_sub = Instruction(OP_SUB,
rd=3,
ra=1,
immb=122,
cfg_mask=CFG_RI)
self.assertEqual(expected_instruction_sub, self.decoder.decode_next())
self.assertEqual(2, self.decoder.next_instruction_index)
def test_decode_mov_imm(self):
# mov r3 234
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_IMM,
rd=3,
imma=234)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[7]))
def test_decode_mov_reg(self):
# mov r3 r1
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_REG,
rd=3,
ra=1)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[6]))
def test_decode_store_state_raa(self):
# storestate r3 r1
expected_instruction = Instruction(OP_STORE,
cfg_mask=STORE_RAA,
rd=3,
ra=1,
inst_type=VAL_STATE)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[22]))
def test_decode_store_bool_adr(self):
# storebool r3 234
expected_instruction = Instruction(OP_STORE,
cfg_mask=STORE_ADR,
rd=3,
address=234,
inst_type=VAL_BOOL)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[17]))
def test_decode_load_state_adr(self):
# loadstate r3 234
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_ADR,
rd=3,
address=234,
inst_type=VAL_STATE)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[15]))
def test_decode_load_state_raa(self):
# loadstate r3 r1
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_RAA,
rd=3,
ra=1,
inst_type=VAL_STATE)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[14]))
def test_decode_load_int_raa(self):
# loadint r3 r1
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_RAA,
rd=3,
ra=1,
inst_type=VAL_INT)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[12]))
def test_decode_load_bool_adr(self):
# loadbool r3 234
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_ADR,
rd=3,
address=234,
inst_type=VAL_BOOL)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[9]))
def test_decode_load_bool_raa(self):
# loadbool r3 r1
expected_instruction = Instruction(OP_LOAD,
cfg_mask=LOAD_RAA,
rd=3,
ra=1,
inst_type=VAL_BOOL)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[8]))
def test_decode_store_state_adr(self):
# storestate r3 234
expected_instruction = Instruction(OP_STORE,
cfg_mask=STORE_ADR,
rd=3,
address=234,
inst_type=VAL_STATE)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[23]))
def test_decode_store_bool_raa(self):
# storebool r3 r1
expected_instruction = Instruction(OP_STORE,
cfg_mask=STORE_RAA,
rd=3,
ra=1,
inst_type=VAL_BOOL)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[16]))
def test_decode_bin_II(self):
# eq r3 123 124
expected_instruction = Instruction(OP_EQ,
rd=3,
imma=123,
immb=124,
cfg_mask=CFG_II)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[3]))
def test_decode_bin_IR(self):
# mod r3 122 r2
expected_instruction = Instruction(OP_MOD,
rd=3,
imma=122,
rb=2,
cfg_mask=CFG_IR)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[2]))
def test_decode_bin_RI(self):
# sub r3 r1 122
expected_instruction = Instruction(OP_SUB,
rd=3,
ra=1,
immb=122,
cfg_mask=CFG_RI)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[1]))
def test_decode_bin_RR(self):
# add r3 r1 r2
expected_instruction = Instruction(OP_ADD,
rd=3,
ra=1,
rb=2,
cfg_mask=CFG_RR)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[0]))
def test_decode_not(self):
# not r3 r1
expected_instruction = Instruction(OP_NOT, rd=3, ra=1)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[4]))
def test_decode_jmp(self):
# jmp r3 234
expected_instruction = Instruction(OP_JMP, rd=3, address=234)
self.assertEqual(expected_instruction,
self.decoder.decode(self.bit_instructions[5]))
