def test_len():
c = Categories.from_string('{a|1,2,3}')
assert len(c) == 4
assert len(c) == len(list(c))
c = Categories.from_string('{a|1,2,3}x{b|4,5,6}')
assert len(c) == 16
c = Categories.from_string('{a|1,2,3}x{b|4,5,6*}')
assert len(c) == 12
c = Categories.from_string('{a|1,2,3}x{b|*4,5,6*}')
assert len(c) == 8
c = Categories.from_string('{a|1,2,3*}x{b|*4,5,6*}')
assert len(c) == 6
c = Categories.from_string('{a|*1,2,3*}x{b|*4,5,6*}')
assert len(c) == 4
def test_len():
c = Categories.from_string('{a|1,2,3}')
assert len(c) == 4
assert len(c) == len(list(c))
c = Categories.from_string('{a|1,2,3}x{b|4,5,6}')
assert len(c) == 16
c = Categories.from_string('{a|1,2,3}x{b|4,5,6*}')
assert len(c) == 12
c = Categories.from_string('{a|1,2,3}x{b|*4,5,6*}')
assert len(c) == 8
c = Categories.from_string('{a|1,2,3*}x{b|*4,5,6*}')
assert len(c) == 6
c = Categories.from_string('{a|*1,2,3*}x{b|*4,5,6*}')
assert len(c) == 4
def test_from_string():
for s in GOOD:
Categories.from_string(s)
for s in BAD:
assert_raises(SyntaxError, Categories.from_string, s)
def test_from_string():
for s in GOOD:
Categories.from_string(s)
for s in BAD:
assert_raises(SyntaxError, Categories.from_string, s)
