def test_new_vs_reference_code_stream_read(read_len, bytecode):
reference = SlowCodeStream(bytecode)
latest = CodeStream(bytecode)
readout_expected = reference.read(read_len)
readout_actual = latest.read(read_len)
assert readout_expected == readout_actual
if read_len <= len(bytecode):
assert latest.program_counter == reference.program_counter
assert latest.read(1) == reference.read(1)
def test_new_vs_reference_code_stream_read_during_iter(read_idx, read_len,
bytecode):
reference = SlowCodeStream(bytecode)
latest = CodeStream(bytecode)
for index, (actual, expected) in enumerate(zip(latest, reference)):
assert actual == expected
if index == read_idx:
readout_actual = latest.read(read_len)
readout_expected = reference.read(read_len)
assert readout_expected == readout_actual
if reference.program_counter >= len(reference):
assert latest.program_counter >= len(reference)
else:
assert latest.program_counter == reference.program_counter
