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import pytest
import platform
import test_stl_bind_vector_ext as t
def test01_vector_int(capfd):
v_int = t.VectorInt([0, 0])
assert len(v_int) == 2
assert bool(v_int) is True
# test construction from a generator
v_int1 = t.VectorInt(x for x in range(5))
assert t.VectorInt(v_int1) == t.VectorInt([0, 1, 2, 3, 4])
assert repr(v_int1) == "test_stl_bind_vector_ext.VectorInt([0, 1, 2, 3, 4])"
v_int2 = t.VectorInt([0, 0])
assert v_int == v_int2
v_int2[1] = 2
v_int2[1] -= 1
assert v_int2[1] == 1
assert v_int != v_int2
v_int2.append(2)
v_int2.insert(0, 1)
v_int2.insert(0, 2)
v_int2.insert(0, 3)
v_int2.insert(6, 3)
with pytest.raises(IndexError):
v_int2.insert(8, 4)
v_int.append(99)
v_int2[2:-2] = v_int
assert v_int2 == t.VectorInt([3, 2, 0, 0, 99, 2, 3])
del v_int2[1:3]
assert v_int2 == t.VectorInt([3, 0, 99, 2, 3])
del v_int2[0]
assert v_int2 == t.VectorInt([0, 99, 2, 3])
v_int2.extend(t.VectorInt([4, 5]))
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5])
v_int2.extend([6, 7])
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7])
# test error handling, and that the vector is unchanged
with pytest.raises(TypeError):
v_int2.extend([8, "a"])
captured = capfd.readouterr().err.strip()
ref = "nanobind: implicit conversion from type 'list' to type 'test_stl_bind_vector_ext.VectorInt' failed!"
# Work around Pytest-related flakiness (https://github.com/pytest-dev/pytest/issues/10843)
if platform.system() == 'Windows':
assert captured == ref or captured == ''
else:
assert captured == ref
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7])
# test extending from a generator
v_int2.extend(x for x in range(5))
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4])
# Test count feature
assert v_int2.count(2) == 2
assert v_int2.count(5) == 1
assert v_int2.count(8) == 0
assert 2 in v_int2
assert 5 in v_int2
assert 8 not in v_int2
# test negative indexing
assert v_int2[-1] == 4
# insert with negative index
v_int2.insert(-1, 88)
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 88, 4])
# delete negative index
del v_int2[-1]
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 88])
assert v_int2.pop() == 88
assert v_int2 == t.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3])
assert v_int2.pop(1) == 99
assert v_int2 == t.VectorInt([0, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3])
v_int2.clear()
assert len(v_int2) == 0
def test02_vector_bool():
vv_c = t.VectorBool()
for i in range(9):
vv_c.append(i % 2 == 0)
for i in range(9):
assert vv_c[i] == (i % 2 == 0)
assert vv_c.count(True) == 5
assert vv_c.count(False) == 4
def test03_vector_custom():
v_a = t.VectorEl()
v_a.append(t.El(1))
v_a.append(t.El(2))
assert len(v_a) == 2 and v_a[0].a == 1 and v_a[1].a == 2
vv_a = t.VectorVectorEl()
vv_a.append(v_a)
v_b = vv_a[0]
assert len(v_b) == 2 and v_b[0].a == 1 and v_b[1].a == 2
def test04_vector_slicing():
l1 = list(range(100))
l2 = t.VectorInt(l1)
def check_same(s):
assert l1[s] == l2[s]
def check_del(s):
l1c = type(l1)(l1)
l2c = type(l2)(l2)
del l1c[s]
del l2c[s]
l2c = list(l2c)
assert l1c == l2c
check_same(slice(1, 13, 4))
check_same(slice(1, 14, 4))
check_same(slice(10, 2000, 1))
check_same(slice(200, 10, 1))
check_same(slice(200, 10, -1))
check_same(slice(200, 10, -3))
check_del(slice(1, 13, 4))
check_del(slice(1, 14, 4))
check_del(slice(10, 2000, 1))
check_del(slice(200, 10, 1))
check_del(slice(200, 10, -1))
check_del(slice(200, 10, -3))
def test05_vector_non_shared():
v = t.VectorEl()
v.append(t.El(1))
v.append(t.El(2))
v0, v1 = v[0], v[1]
v0.a, v1.a = 100, 200
assert v[0].a == 1
assert v[1].a == 2
# Check that elements accessed through the iterator *cannot* be modified
q = next(iter(v))
q.a = 5
assert v[0].a == 1
def test06_vector_shared():
v = t.VectorElShared()
v.append(t.El(1))
v.append(t.El(2))
v0, v1 = v[0], v[1]
v0.a, v1.a = 100, 200
assert v[0].a == 100
assert v[1].a == 200
# Check that elements accessed through the iterator *can* be modified
q = next(iter(v))
q.a = 5
assert v[0].a == 5
def test07_vector_noncopyable():
vnc = t.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
# Check that elements accessed through the iterator *can* be modified
q = next(iter(vnc))
q.value = 5
assert vnc[0].value == 5
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