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import pytest
import sys
with pytest.suppress(ImportError):
import numpy as np
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])
@pytest.unsupported_on_pypy
def test_vector_buffer():
from pybind11_tests import VectorUChar, create_undeclstruct
b = bytearray([1, 2, 3, 4])
v = VectorUChar(b)
assert v[1] == 2
v[2] = 5
m = memoryview(v) # We expose the buffer interface
if sys.version_info.major > 2:
assert m[2] == 5
m[2] = 6
else:
assert m[2] == '\x05'
m[2] = '\x06'
assert v[2] == 6
with pytest.raises(RuntimeError):
create_undeclstruct() # Undeclared struct contents, no buffer interface
@pytest.requires_numpy
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_custom():
from pybind11_tests import El, VectorEl, VectorVectorEl
v_a = VectorEl()
v_a.append(El(1))
v_a.append(El(2))
assert str(v_a) == "VectorEl[El{1}, El{2}]"
vv_a = VectorVectorEl()
vv_a.append(v_a)
vv_b = vv_a[0]
assert str(vv_b) == "VectorEl[El{1}, El{2}]"
def test_vector_bool():
from pybind11_tests import VectorBool
vv_c = VectorBool()
for i in range(10):
vv_c.append(i % 2 == 0)
for i in range(10):
assert vv_c[i] == (i % 2 == 0)
assert str(vv_c) == "VectorBool[1, 0, 1, 0, 1, 0, 1, 0, 1, 0]"
def test_map_string_double():
from pybind11_tests import MapStringDouble, UnorderedMapStringDouble
m = MapStringDouble()
m['a'] = 1
m['b'] = 2.5
assert list(m) == ['a', 'b']
assert list(m.items()) == [('a', 1), ('b', 2.5)]
assert str(m) == "MapStringDouble{a: 1, b: 2.5}"
um = UnorderedMapStringDouble()
um['ua'] = 1.1
um['ub'] = 2.6
assert sorted(list(um)) == ['ua', 'ub']
assert sorted(list(um.items())) == [('ua', 1.1), ('ub', 2.6)]
assert "UnorderedMapStringDouble" in str(um)
def test_map_string_double_const():
from pybind11_tests import MapStringDoubleConst, UnorderedMapStringDoubleConst
mc = MapStringDoubleConst()
mc['a'] = 10
mc['b'] = 20.5
assert str(mc) == "MapStringDoubleConst{a: 10, b: 20.5}"
umc = UnorderedMapStringDoubleConst()
umc['a'] = 11
umc['b'] = 21.5
str(umc)
def test_noncopyable_vector():
from pybind11_tests import get_vnc
vnc = get_vnc(5)
for i in range(0, 5):
assert vnc[i].value == i + 1
for i, j in enumerate(vnc, start=1):
assert j.value == i
def test_noncopyable_deque():
from pybind11_tests import get_dnc
dnc = get_dnc(5)
for i in range(0, 5):
assert dnc[i].value == i + 1
i = 1
for j in dnc:
assert(j.value == i)
i += 1
def test_noncopyable_map():
from pybind11_tests import get_mnc
mnc = get_mnc(5)
for i in range(1, 6):
assert mnc[i].value == 10 * i
vsum = 0
for k, v in mnc.items():
assert v.value == 10 * k
vsum += v.value
assert vsum == 150
def test_noncopyable_unordered_map():
from pybind11_tests import get_umnc
mnc = get_umnc(5)
for i in range(1, 6):
assert mnc[i].value == 10 * i
vsum = 0
for k, v in mnc.items():
assert v.value == 10 * k
vsum += v.value
assert vsum == 150
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