def test_raises_when_data_is_invalid(self):
text = 'c000: foo'
try:
Loader(text)
self.fail()
except ValueError, why:
msg = 'Could not parse data: foo'
self.assertEqual(msg, why[0])
def test_raises_when_start_address_is_too_long(self):
text = '010304: aa bb cc'
try:
Loader(text)
self.fail()
except ValueError, why:
msg = 'Expected address to be 2 bytes, got 3'
self.assertEqual(msg, why[0])
def test_raises_when_start_address_not_found(self):
text = 'aa bb cc'
try:
Loader(text)
self.fail()
except ValueError, why:
msg = 'Start address was not found in data'
self.assert_(why[0].startswith('Start address'))
def test_raises_when_start_address_is_invalid(self):
text = 'oops: aa bb cc'
try:
Loader(text)
self.fail()
except ValueError, why:
msg = 'Could not parse address: oops'
self.assertEqual(msg, why[0])
def test_raises_when_start_address_is_too_short(self):
text = '01: aa bb cc'
try:
Loader(text)
self.fail()
except ValueError as why:
msg = 'Expected address to be 2 bytes, got 1'
self.assertEqual(msg, str(why))
def test_raises_when_start_address_not_found(self):
text = 'aa bb cc'
try:
Loader(text)
self.fail()
except ValueError as exc:
msg = 'Start address was not found in data'
self.assertEqual(msg, str(exc))
def test_raises_when_next_address_is_unexpected(self):
text = "c000: aa\nc002: cc"
try:
Loader(text)
self.fail()
except ValueError, why:
msg = 'Non-contigous block detected. Expected next ' \
'address to be $c001, label was $c002'
self.assertEqual(msg, why[0])
def test_loads_multiline_data_with_dos_endings(self):
text = '$c000: aa bb\r\n$c002: cc'
load = Loader(text)
self.assertEqual(0xC000, load.start_address)
self.assertEqual([0xAA, 0xBB, 0xCC], load.data)
def test_loads_data_with_some_dollar_signs(self):
text = '$c000: aa $bb'
load = Loader(text)
self.assertEqual(0xC000, load.start_address)
self.assertEqual([0xAA, 0xBB], load.data)
def test_all_whitespace_does_nothing(self):
text = " \r\n \t \n"
loader = Loader(text)
self.assertEqual(None, loader.start_address)
self.assertEqual([], loader.data)
def test_empty_string_does_nothing(self):
text = ''
loader = Loader(text)
self.assertEqual(None, loader.start_address)
self.assertEqual([], loader.data)
def test_ignores_pound_comments(self):
text = 'c000: aa bb # comment'
load = Loader(text)
self.assertEqual(0xC000, load.start_address)
self.assertEqual([0xAA, 0xBB], load.data)