def test_sequence():
cstats = ConstructorStats.get(m.Sequence)
s = m.Sequence(5)
assert cstats.values() == ["of size", "5"]
assert "Sequence" in repr(s)
assert len(s) == 5
assert s[0] == 0 and s[3] == 0
assert 12.34 not in s
s[0], s[3] = 12.34, 56.78
assert 12.34 in s
assert s[0] == approx(12.34, rel=1e-05)
assert s[3] == approx(56.78, rel=1e-05)
rev = reversed(s)
assert cstats.values() == ["of size", "5"]
rev2 = s[::-1]
assert cstats.values() == ["of size", "5"]
it = iter(m.Sequence(0))
for _ in range(3): # __next__ must continue to raise StopIteration
with pytest.raises(StopIteration):
next(it)
assert cstats.values() == ["of size", "0"]
expected = [0, 56.78, 0, 0, 12.34]
assert rev == approx(expected, rel=1e-05)
assert rev2 == approx(expected, rel=1e-05)
assert rev == rev2
rev[0::2] = m.Sequence([2.0, 2.0, 2.0])
assert cstats.values() == ["of size", "3", "from std::vector"]
assert rev == approx([2, 56.78, 2, 0, 2], rel=1e-05)
assert cstats.alive() == 4
del it
assert cstats.alive() == 3
del s
assert cstats.alive() == 2
del rev
assert cstats.alive() == 1
del rev2
assert cstats.alive() == 0
assert cstats.values() == []
assert cstats.default_constructions == 0
assert cstats.copy_constructions == 0
assert cstats.move_constructions >= 1
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_sequence():
cstats = ConstructorStats.get(m.Sequence)
s = m.Sequence(5)
assert cstats.values() == ['of size', '5']
assert "Sequence" in repr(s)
assert len(s) == 5
assert s[0] == 0 and s[3] == 0
assert 12.34 not in s
s[0], s[3] = 12.34, 56.78
assert 12.34 in s
assert isclose(s[0], 12.34) and isclose(s[3], 56.78)
rev = reversed(s)
assert cstats.values() == ['of size', '5']
rev2 = s[::-1]
assert cstats.values() == ['of size', '5']
it = iter(m.Sequence(0))
for _ in range(3): # __next__ must continue to raise StopIteration
with pytest.raises(StopIteration):
next(it)
assert cstats.values() == ['of size', '0']
expected = [0, 56.78, 0, 0, 12.34]
assert allclose(rev, expected)
assert allclose(rev2, expected)
assert rev == rev2
rev[0::2] = m.Sequence([2.0, 2.0, 2.0])
assert cstats.values() == ['of size', '3', 'from std::vector']
assert allclose(rev, [2, 56.78, 2, 0, 2])
assert cstats.alive() == 4
del it
assert cstats.alive() == 3
del s
assert cstats.alive() == 2
del rev
assert cstats.alive() == 1
del rev2
assert cstats.alive() == 0
assert cstats.values() == []
assert cstats.default_constructions == 0
assert cstats.copy_constructions == 0
assert cstats.move_constructions >= 1
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0