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import pytest
import sys
import platform
import test_stl_bind_map_ext as t
def test_map_string_double(capfd):
mm = t.MapStringDouble()
mm["a"] = 1
mm["b"] = 2.5
assert list(mm) == ["a", "b"]
assert "b" in mm
assert 123 not in mm
assert mm["b"] == 2.5
assert "c" not in mm
with pytest.raises(KeyError):
mm["c"]
assert "c" not in mm
# Copy constructor
mm2 = t.MapStringDouble(mm)
assert list(mm2) == ["a", "b"]
assert "b" in mm2
assert "c" not in mm2
assert 123 not in mm2
assert mm2["b"] == 2.5
assert mm == mm2
assert not (mm != mm2)
del mm2["b"]
assert not (mm == mm2)
assert mm != mm2
assert len(mm2) == 1
mm2.clear()
assert len(mm2) == 0
assert repr(mm) == "test_stl_bind_map_ext.MapStringDouble({'a': 1.0, 'b': 2.5})"
with pytest.raises(TypeError):
mm2.update({"a" : "b"})
captured = capfd.readouterr().err.strip()
ref = "nanobind: implicit conversion from type 'dict' to type 'test_stl_bind_map_ext.MapStringDouble' 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
mm2.update({"a" : 2.5})
assert len(mm2) == 1
# Construction from an iterable
mm3 = t.MapStringDouble(
{ "a" : 1, "b" : 2.5 })
assert list(mm3) == ["a", "b"]
assert mm3["b"] == 2.5
# Check that keys, values, items are views, not merely iterable
keys = mm.keys()
values = mm.values()
items = mm.items()
assert list(keys) == ["a", "b"]
assert len(keys) == 2
assert "a" in keys
assert "c" not in keys
assert 123 not in keys
assert list(items) == [("a", 1), ("b", 2.5)]
assert len(items) == 2
assert ("b", 2.5) in items
assert "hello" not in items
assert ("b", 2.5, None) not in items
assert list(values) == [1, 2.5]
assert len(values) == 2
assert 1 in values
assert 2 not in values
# Check that views update when the map is updated
mm["c"] = -1
assert list(keys) == ["a", "b", "c"]
assert list(values) == [1, 2.5, -1]
assert list(items) == [("a", 1), ("b", 2.5), ("c", -1)]
um = t.UnorderedMapStringDouble()
um["ua"] = 1.1
um["ub"] = 2.6
assert sorted(list(um)) == ["ua", "ub"]
assert list(um.keys()) == list(um)
assert sorted(list(um.items())) == [("ua", 1.1), ("ub", 2.6)]
assert list(zip(um.keys(), um.values())) == list(um.items())
assert type(keys).__qualname__ == 'MapStringDouble.KeyView'
assert type(values).__qualname__ == 'MapStringDouble.ValueView'
assert type(items).__qualname__ == 'MapStringDouble.ItemView'
if sys.version_info < (3, 9):
d = "typing.Dict"
else:
d = "dict"
assert t.MapStringDouble.__init__.__doc__ == \
"""__init__(self) -> None
__init__(self, arg: test_stl_bind_map_ext.MapStringDouble) -> None
__init__(self, arg: %s[str, float], /) -> None
Overloaded function.
1. ``__init__(self) -> None``
Default constructor
2. ``__init__(self, arg: test_stl_bind_map_ext.MapStringDouble) -> None``
Copy constructor
3. ``__init__(self, arg: %s[str, float], /) -> None``
Construct from a dictionary""" % (d, d)
def test_map_string_double_const():
mc = t.MapStringDoubleConst()
mc["a"] = 10
mc["b"] = 20.5
umc = t.UnorderedMapStringDoubleConst()
umc["a"] = 11
umc["b"] = 21.5
str(umc)
def test_maps_with_noncopyable_values():
if not hasattr(t, 'get_mnc'):
return
# std::map
mnc = t.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
# std::unordered_map
mnc = t.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
# nested std::map<std::vector>
nvnc = t.get_nvnc(5)
for i in range(1, 6):
for j in range(0, 5):
assert nvnc[i][j].value == j + 1
# Note: maps do not have .values()
for _, v in nvnc.items():
for i, j in enumerate(v, start=1):
assert j.value == i
# nested std::map<std::map>
nmnc = t.get_nmnc(5)
for i in range(1, 6):
for j in range(10, 60, 10):
assert nmnc[i][j].value == 10 * j
vsum = 0
for _, v_o in nmnc.items():
for k_i, v_i in v_o.items():
assert v_i.value == 10 * k_i
vsum += v_i.value
assert vsum == 7500
# nested std::unordered_map<std::unordered_map>
numnc = t.get_numnc(5)
for i in range(1, 6):
for j in range(10, 60, 10):
assert numnc[i][j].value == 10 * j
vsum = 0
for _, v_o in numnc.items():
for k_i, v_i in v_o.items():
assert v_i.value == 10 * k_i
vsum += v_i.value
assert vsum == 7500
def test_map_delitem():
mm = t.MapStringDouble()
mm["a"] = 1
mm["b"] = 2.5
assert list(mm) == ["a", "b"]
assert list(mm.items()) == [("a", 1), ("b", 2.5)]
del mm["a"]
assert list(mm) == ["b"]
assert list(mm.items()) == [("b", 2.5)]
um = t.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)]
del um["ua"]
assert sorted(list(um)) == ["ub"]
assert sorted(list(um.items())) == [("ub", 2.6)]
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