def test_op_code13(self):
test_um = UM(self.file_path)
# op_code: 13 - Orthography
test_um.registers[0] = 0
test_um.orthography(0, 1234)
self.assertEqual(1234, test_um.registers[0])
def test_op_code11(self):
stdin = StringIO(chr(97))
test_um = UM(self.file_path, stdin=stdin)
# op_code: 11 - Input
op_code = 11
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(97, test_um.registers[2])
def test_op_code2(self):
test_um = UM(self.file_path)
test_um.arrays.append([1, 2, 3])
# op_code: 2 - Array Amendment
op_code = 2
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 123
test_um.operate(op_code, 0, 1, 2)
self.assertEqual([[1, 123, 3]], test_um.arrays)
def test_op_code6(self):
test_um = UM(self.file_path)
# op_code: 6 - Not-And
op_code = 6
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 7
test_um.operate(op_code, 0, 1, 2)
expected_val = ctypes.c_uint32(~(1 & 7)).value
self.assertEqual(expected_val, test_um.registers[0])
def test_op_code8(self):
test_um = UM(self.file_path)
test_um.arrays.append([1, 2, 3])
# op_code: 8 - Allocation
op_code = 8
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual([[1, 2, 3], [0, 0]], test_um.arrays)
self.assertEqual(1, test_um.registers[1])
def test_op_code10(self):
stdout = StringIO()
test_um = UM(self.file_path, stdout=stdout)
# op_code: 10 - Output
op_code = 10
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 97
test_um.operate(op_code, 0, 1, 2)
output = stdout.getvalue()
self.assertEqual(chr(97), output)
def test_op_code4(self):
test_um = UM(self.file_path)
# op_code: 4 - Multiplication
op_code = 4
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(2, test_um.registers[0]) # (1 * 2) % 2^32 = 3
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2 ** 32
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(0, test_um.registers[0]) # (1 * 2^32) % 2^32 = 0
def test_op_code3(self):
test_um = UM(self.file_path)
# op_code: 3 - Array Amendment
op_code = 3
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(3, test_um.registers[0]) # (1 + 2) % 2^32 = 3
test_um.registers[0] = 0
test_um.registers[1] = 0
test_um.registers[2] = 2**32
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(0, test_um.registers[0]) # (0 + 2^32) % 2^32 = 0
def test_op_code1(self):
test_um = UM(self.file_path)
test_um.arrays.append([1, 2, 3])
test_um.arrays.append([4, 5, 6])
self.assertEqual([[1, 2, 3], [4, 5, 6]], test_um.arrays)
# op_code: 1 - Array index
op_code = 1
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(6, test_um.registers[0])
self.assertEqual(1, test_um.registers[1])
self.assertEqual(2, test_um.registers[2])
def test_op_code9(self):
test_um = UM(self.file_path)
test_um.arrays.append([1, 2, 3])
test_um.arrays.append([4, 5, 6])
# op_code: 9 - Abandonment
op_code = 9
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 1 # Clears arrays[1]
test_um.operate(op_code, 0, 1, 2)
self.assertEqual([[1, 2, 3], []], test_um.arrays)
test_um.registers.pop(2)
self.assertRaises(Exception, test_um.operate, op_code, 0, 1, 2)
def test_op_code5(self):
test_um = UM(self.file_path)
# op_code: 5 - Division
op_code = 5
test_um.registers[0] = 0
test_um.registers[1] = 3
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(1, test_um.registers[0]) # 3 // 2 = 1
test_um.registers[0] = 0
test_um.registers[1] = 6
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(3, test_um.registers[0]) # 6 // 2 = 3
def test_op_code12(self):
test_um = UM(self.file_path)
test_um.arrays.append([1, 2, 3])
test_um.arrays.append([4, 5, 6])
test_um.arrays.append([7, 8, 9])
# op_code: 12 - Load Program
op_code = 12
# register[b] is undef
test_um.registers[0] = 0
test_um.registers[1] = 1
test_um.registers[2] = 2
test_um.operate(op_code, 0, 1, 2)
self.assertEqual([4, 5, 6], test_um.arrays[0])
self.assertEqual(2, test_um.exec_finger)
def test_op_code0(self):
test_um = UM(self.file_path)
# op_code: 0 - Conditional move
op_code = 0
test_um.registers[0] = 1
test_um.registers[1] = 2
test_um.registers[2] = 3
test_um.operate(op_code, 0, 1, 2)
self.assertEqual(test_um.registers[0], 2)
test_um.registers[0] = 1
test_um.registers[1] = 2
test_um.registers[2] = 0
# No change because registers[c] = 0
self.assertEqual(1, test_um.registers[0])
self.assertEqual(2, test_um.registers[1])
self.assertEqual(0, test_um.registers[2])
def test_op_code_undef(self):
test_um = UM(self.file_path)
# op_code: 123 - Undefined
op_code = 123
self.assertRaises(Exception, test_um.operate, op_code, 0, 1, 2)
def test_init(self):
test_um = UM(self.file_path)
self.assertEqual([0] * 8, test_um.registers)
self.assertEqual(self.file_path, test_um.file_path)
self.assertEqual(0, test_um.exec_finger)
self.assertEqual(0, len(test_um.arrays))
def test_halt(self):
test_um = UM(self.file_path)
# op_code: 7 - Halt
with self.assertRaises(SystemExit):
test_um.halt()