def test_new_tmp_val():
""" Test new tmp val is different each time, and starts with the
UNKNOWN_PREFIX
"""
a, b = helpers.new_tmp_val(), helpers.new_tmp_val()
assert a != b, "Values must be different"
assert all(helpers.RE_UNK_PREFIX.match(x)
for x in (a, b)), "Values do not conform the Reg.Exp."
def test_H16_val():
""" Test high value of an integer or unknown val is ok
"""
# For an unknown 8 bit val, the high part is always 0
assert helpers.is_unknown8(helpers.HI16_val(None))
tmp8 = helpers.new_tmp_val()
hi16 = helpers.HI16_val(tmp8)
assert hi16 == '0'
# For integers, it's just the high part
assert helpers.HI16_val('255') == '0'
assert helpers.HI16_val('256') == '1'
# For normal unknowns16, the high part must be returned
tmp16 = helpers.new_tmp_val16()
assert helpers.HI16_val(tmp16) == tmp16.split(helpers.HL_SEP)[0]
assert helpers.is_unknown8(helpers.HI16_val(tmp16))
assert helpers.is_unknown8(
helpers.HI16_val('_unknown')) # An unknown expression
def test_is_unknown16_half():
a = '{}|3'.format(helpers.new_tmp_val())
assert helpers.is_unknown16(a)
def test_is_unknown16():
assert helpers.is_unknown16(None)
assert not helpers.is_unknown16(helpers.new_tmp_val())
assert helpers.is_unknown16(helpers.new_tmp_val16())