def test_vector_buffer_numpy():
from pybind11_tests import VectorInt, VectorStruct, get_vectorstruct
a = np.array([1, 2, 3, 4], dtype=np.int32)
with pytest.raises(TypeError):
VectorInt(a)
a = np.array([[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]], dtype=np.uintc)
v = VectorInt(a[0, :])
assert len(v) == 4
assert v[2] == 3
m = np.asarray(v)
m[2] = 5
assert v[2] == 5
v = VectorInt(a[:, 1])
assert len(v) == 3
assert v[2] == 10
v = get_vectorstruct()
assert v[0].x == 5
m = np.asarray(v)
m[1]['x'] = 99
assert v[1].x == 99
v = VectorStruct(
np.zeros(3,
dtype=np.dtype([('w', 'bool'), ('x', 'I'), ('y', 'float64'),
('z', 'bool')],
align=True)))
assert len(v) == 3
def test_vector_int():
from pybind11_tests import VectorInt
v_int = VectorInt([0, 0])
assert len(v_int) == 2
assert bool(v_int) is True
v_int2 = VectorInt([0, 0])
assert v_int == v_int2
v_int2[1] = 1
assert v_int != v_int2
v_int2.append(2)
v_int2.append(3)
v_int2.insert(0, 1)
v_int2.insert(0, 2)
v_int2.insert(0, 3)
assert str(v_int2) == "VectorInt[3, 2, 1, 0, 1, 2, 3]"
v_int.append(99)
v_int2[2:-2] = v_int
assert v_int2 == VectorInt([3, 2, 0, 0, 99, 2, 3])
del v_int2[1:3]
assert v_int2 == VectorInt([3, 0, 99, 2, 3])
del v_int2[0]
assert v_int2 == VectorInt([0, 99, 2, 3])
def test_vector_int():
from pybind11_tests import VectorInt
v_int = VectorInt([0, 0])
assert len(v_int) == 2
assert bool(v_int) is True
v_int2 = VectorInt([0, 0])
assert v_int == v_int2
v_int2[1] = 1
assert v_int != v_int2
v_int2.append(2)
v_int2.append(3)
v_int2.insert(0, 1)
v_int2.insert(0, 2)
v_int2.insert(0, 3)
assert str(v_int2) == "VectorInt[3, 2, 1, 0, 1, 2, 3]"
v_int.append(99)
v_int2[2:-2] = v_int
assert v_int2 == VectorInt([3, 2, 0, 0, 99, 2, 3])
del v_int2[1:3]
assert v_int2 == VectorInt([3, 0, 99, 2, 3])
del v_int2[0]
assert v_int2 == VectorInt([0, 99, 2, 3])