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import test_accessor_ext as t
def test_01_str_attr_inplace_mutation():
"""
Tests that a C++ expression like obj.attr("foo") += ...
can actually modify the object in-place.
"""
a = t.test_str_attr_accessor_inplace_mutation()
assert a.value == 1
def test_02_str_item_inplace_mutation():
"""
Similar to test 01, but tests obj["foo"] (keyed attribute access)
on the C++ side.
"""
d = t.test_str_item_accessor_inplace_mutation()
assert d.keys() == {"a"}
assert d["a"] == 1
def test_03_num_item_list_inplace_mutation():
"""
Similar to test 01, but tests l[n] (index access)
on the C++ side, where l is an ``nb::list``.
"""
l = t.test_num_item_list_accessor_inplace_mutation()
assert len(l) == 1
assert l[0] == 1
def test_04_obj_item_inplace_mutation():
"""
Similar to test 01, but tests obj[h] (handle access)
on the C++ side.
"""
d = t.test_obj_item_accessor_inplace_mutation()
assert len(d) == 1
assert d.keys() == {0}
assert d[0] == 1 # dict lookup
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