def test_variant_array_dim():
v = ua.Variant([1, 2, 3, 4, 5, 6], dimensions=[2, 3])
assert v.Value[1] == 2
v2 = variant_from_binary(ua.utils.Buffer(variant_to_binary(v)))
assert _reshape(v.Value, (2, 3)) == v2.Value
assert v.VariantType == v2.VariantType
assert v.Dimensions == v2.Dimensions
assert v2.Dimensions == [2, 3]
def test_flatten():
l = [[[1.0, 1.0, 1.0, 1.0], [1.0, 1.0, 1.0, 1.0], [1.0, 1.0, 1.0, 1.0]], [[1.0, 1.0, 1.0, 1.0], [1.0, 1.0, 1.0, 1.0], [1.0, 1.0, 1.0, 1.0]]]
l2 = flatten(l)
dims = get_shape(l)
assert [2, 3, 4] == dims
assert l != l2
l3 = _reshape(l2, (2, 3, 4))
assert l == l3
l = [[[], [], []], [[], [], []]]
l2 = flatten(l)
dims = get_shape(l)
assert dims == [2, 3, 0]
l = [1, 2, 3, 4]
l2 = flatten(l)
dims = get_shape(l)
assert dims == [4]
assert l == l2