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test_models_fontbitflag.py
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from slice.models import FontBitFlagModel
#
# Utilities
#
def get_os2_default_dict():
return {
"bit0": False,
"bit5": False,
"bit6": False,
"bit8": False,
}
def get_os2_default_dict_true():
return {
"bit0": True,
"bit5": True,
"bit6": True,
"bit8": True,
}
def get_head_default_dict():
return {
"bit0": False,
"bit1": False,
}
def get_head_default_dict_true():
return {
"bit0": True,
"bit1": True,
}
# ~~~~~~~~~~~~~~~
#
# Tests
#
# ~~~~~~~~~~~~~~~
def test_bitflag_model_default():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm._os2_dict == get_os2_default_dict()
assert fm._head_dict == get_head_default_dict()
def test_bitflag_model_set_bit():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm._set_bit(0, 0) == 1
def test_bitflag_model_clear_bit():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm._clear_bit(1, 0) == 0
def test_bitflag_model_get_offset_from_key():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm._get_bit_offset_from_key("bit0") == 0
assert fm._get_bit_offset_from_key("bit1") == 1
assert fm._get_bit_offset_from_key("bit10") == 10
def test_bitflag_model_get_os2_instance_data():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm.get_os2_instance_data() == get_os2_default_dict()
def test_bitflag_model_get_head_instance_data():
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
assert fm.get_head_instance_data() == get_head_default_dict()
def test_bitflag_model_edit_os2_fsselection_bits():
# set all bits that will be cleared
test_int = 353
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
# confirm that they are all cleared
assert fm.edit_os2_fsselection_bits(test_int) == 0
# clear all bits that will be set
test_int2 = 0
fm2 = FontBitFlagModel(get_os2_default_dict_true(), get_head_default_dict())
# confirm that they are all set
assert fm2.edit_os2_fsselection_bits(test_int2) == 353
def test_bitflag_model_edit_head_macstyle_bits():
# set all bits that will be cleared
test_int = 3
fm = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict())
# confirm that they are all cleared
assert fm.edit_head_macstyle_bits(test_int) == 0
# clear all bits that will be set
test_int2 = 0
fm2 = FontBitFlagModel(get_os2_default_dict(), get_head_default_dict_true())
# confirm that they are all set
assert fm2.edit_head_macstyle_bits(test_int2) == 3