396 lines
11 KiB
Python
396 lines
11 KiB
Python
from __future__ import annotations
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import pytest
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from pybind11_tests import stl_binders as m
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def test_vector_int():
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v_int = m.VectorInt([0, 0])
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assert len(v_int) == 2
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assert bool(v_int) is True
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# test construction from a generator
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v_int1 = m.VectorInt(x for x in range(5))
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assert v_int1 == m.VectorInt([0, 1, 2, 3, 4])
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v_int2 = m.VectorInt([0, 0])
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assert v_int == v_int2
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v_int2[1] = 1
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assert v_int != v_int2
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v_int2.append(2)
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v_int2.insert(0, 1)
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v_int2.insert(0, 2)
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v_int2.insert(0, 3)
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v_int2.insert(6, 3)
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assert str(v_int2) == "VectorInt[3, 2, 1, 0, 1, 2, 3]"
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with pytest.raises(IndexError):
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v_int2.insert(8, 4)
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v_int.append(99)
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v_int2[2:-2] = v_int
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assert v_int2 == m.VectorInt([3, 2, 0, 0, 99, 2, 3])
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del v_int2[1:3]
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assert v_int2 == m.VectorInt([3, 0, 99, 2, 3])
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del v_int2[0]
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assert v_int2 == m.VectorInt([0, 99, 2, 3])
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v_int2.extend(m.VectorInt([4, 5]))
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5])
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v_int2.extend([6, 7])
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5, 6, 7])
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# test error handling, and that the vector is unchanged
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with pytest.raises(RuntimeError):
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v_int2.extend([8, "a"])
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5, 6, 7])
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# test extending from a generator
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v_int2.extend(x for x in range(5))
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 4])
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# test negative indexing
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assert v_int2[-1] == 4
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# insert with negative index
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v_int2.insert(-1, 88)
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 88, 4])
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# delete negative index
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del v_int2[-1]
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assert v_int2 == m.VectorInt([0, 99, 2, 3, 4, 5, 6, 7, 0, 1, 2, 3, 88])
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v_int2.clear()
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assert len(v_int2) == 0
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# Older PyPy's failed here, related to the PyPy's buffer protocol.
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def test_vector_buffer():
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b = bytearray([1, 2, 3, 4])
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v = m.VectorUChar(b)
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assert v[1] == 2
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v[2] = 5
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mv = memoryview(v) # We expose the buffer interface
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assert mv[2] == 5
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mv[2] = 6
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assert v[2] == 6
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mv = memoryview(b)
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v = m.VectorUChar(mv[::2])
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assert v[1] == 3
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with pytest.raises(RuntimeError) as excinfo:
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m.create_undeclstruct() # Undeclared struct contents, no buffer interface
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assert "NumPy type info missing for " in str(excinfo.value)
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def test_vector_buffer_numpy():
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np = pytest.importorskip("numpy")
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a = np.array([1, 2, 3, 4], dtype=np.int32)
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with pytest.raises(TypeError):
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m.VectorInt(a)
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a = np.array([[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]], dtype=np.uintc)
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v = m.VectorInt(a[0, :])
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assert len(v) == 4
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assert v[2] == 3
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ma = np.asarray(v)
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ma[2] = 5
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assert v[2] == 5
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v = m.VectorInt(a[:, 1])
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assert len(v) == 3
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assert v[2] == 10
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v = m.get_vectorstruct()
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assert v[0].x == 5
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ma = np.asarray(v)
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ma[1]["x"] = 99
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assert v[1].x == 99
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v = m.VectorStruct(
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np.zeros(
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3,
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dtype=np.dtype(
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[("w", "bool"), ("x", "I"), ("y", "float64"), ("z", "bool")], align=True
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),
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)
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)
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assert len(v) == 3
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b = np.array([1, 2, 3, 4], dtype=np.uint8)
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v = m.VectorUChar(b[::2])
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assert v[1] == 3
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def test_vector_bool():
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import pybind11_cross_module_tests as cm
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vv_c = cm.VectorBool()
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for i in range(10):
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vv_c.append(i % 2 == 0)
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for i in range(10):
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assert vv_c[i] == (i % 2 == 0)
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assert str(vv_c) == "VectorBool[1, 0, 1, 0, 1, 0, 1, 0, 1, 0]"
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def test_vector_custom():
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v_a = m.VectorEl()
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v_a.append(m.El(1))
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v_a.append(m.El(2))
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assert str(v_a) == "VectorEl[El{1}, El{2}]"
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vv_a = m.VectorVectorEl()
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vv_a.append(v_a)
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vv_b = vv_a[0]
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assert str(vv_b) == "VectorEl[El{1}, El{2}]"
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def test_map_string_double():
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mm = m.MapStringDouble()
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mm["a"] = 1
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mm["b"] = 2.5
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assert list(mm) == ["a", "b"]
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assert str(mm) == "MapStringDouble{a: 1, b: 2.5}"
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assert "b" in mm
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assert "c" not in mm
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assert 123 not in mm
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# Check that keys, values, items are views, not merely iterable
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keys = mm.keys()
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values = mm.values()
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items = mm.items()
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assert list(keys) == ["a", "b"]
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assert len(keys) == 2
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assert "a" in keys
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assert "c" not in keys
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assert 123 not in keys
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assert list(items) == [("a", 1), ("b", 2.5)]
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assert len(items) == 2
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assert ("b", 2.5) in items
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assert "hello" not in items
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assert ("b", 2.5, None) not in items
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assert list(values) == [1, 2.5]
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assert len(values) == 2
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assert 1 in values
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assert 2 not in values
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# Check that views update when the map is updated
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mm["c"] = -1
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assert list(keys) == ["a", "b", "c"]
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assert list(values) == [1, 2.5, -1]
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assert list(items) == [("a", 1), ("b", 2.5), ("c", -1)]
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um = m.UnorderedMapStringDouble()
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um["ua"] = 1.1
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um["ub"] = 2.6
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assert sorted(um) == ["ua", "ub"]
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assert list(um.keys()) == list(um)
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assert sorted(um.items()) == [("ua", 1.1), ("ub", 2.6)]
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assert list(zip(um.keys(), um.values())) == list(um.items())
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assert "UnorderedMapStringDouble" in str(um)
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def test_map_string_double_const():
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mc = m.MapStringDoubleConst()
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mc["a"] = 10
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mc["b"] = 20.5
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assert str(mc) == "MapStringDoubleConst{a: 10, b: 20.5}"
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umc = m.UnorderedMapStringDoubleConst()
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umc["a"] = 11
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umc["b"] = 21.5
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str(umc)
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def test_noncopyable_containers():
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# std::vector
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vnc = m.get_vnc(5)
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for i in range(5):
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assert vnc[i].value == i + 1
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for i, j in enumerate(vnc, start=1):
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assert j.value == i
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# std::deque
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dnc = m.get_dnc(5)
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for i in range(5):
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assert dnc[i].value == i + 1
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i = 1
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for j in dnc:
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assert j.value == i
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i += 1
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# std::map
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mnc = m.get_mnc(5)
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for i in range(1, 6):
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assert mnc[i].value == 10 * i
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vsum = 0
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for k, v in mnc.items():
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assert v.value == 10 * k
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vsum += v.value
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assert vsum == 150
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# std::unordered_map
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mnc = m.get_umnc(5)
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for i in range(1, 6):
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assert mnc[i].value == 10 * i
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vsum = 0
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for k, v in mnc.items():
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assert v.value == 10 * k
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vsum += v.value
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assert vsum == 150
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# nested std::map<std::vector>
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nvnc = m.get_nvnc(5)
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for i in range(1, 6):
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for j in range(5):
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assert nvnc[i][j].value == j + 1
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# Note: maps do not have .values()
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for _, v in nvnc.items():
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for i, j in enumerate(v, start=1):
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assert j.value == i
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# nested std::map<std::map>
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nmnc = m.get_nmnc(5)
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for i in range(1, 6):
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for j in range(10, 60, 10):
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assert nmnc[i][j].value == 10 * j
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vsum = 0
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for _, v_o in nmnc.items():
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for k_i, v_i in v_o.items():
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assert v_i.value == 10 * k_i
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vsum += v_i.value
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assert vsum == 7500
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# nested std::unordered_map<std::unordered_map>
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numnc = m.get_numnc(5)
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for i in range(1, 6):
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for j in range(10, 60, 10):
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assert numnc[i][j].value == 10 * j
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vsum = 0
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for _, v_o in numnc.items():
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for k_i, v_i in v_o.items():
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assert v_i.value == 10 * k_i
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vsum += v_i.value
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assert vsum == 7500
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def test_map_delitem():
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mm = m.MapStringDouble()
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mm["a"] = 1
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mm["b"] = 2.5
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assert list(mm) == ["a", "b"]
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assert list(mm.items()) == [("a", 1), ("b", 2.5)]
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del mm["a"]
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assert list(mm) == ["b"]
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assert list(mm.items()) == [("b", 2.5)]
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um = m.UnorderedMapStringDouble()
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um["ua"] = 1.1
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um["ub"] = 2.6
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assert sorted(um) == ["ua", "ub"]
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assert sorted(um.items()) == [("ua", 1.1), ("ub", 2.6)]
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del um["ua"]
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assert sorted(um) == ["ub"]
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assert sorted(um.items()) == [("ub", 2.6)]
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def test_map_view_types():
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map_string_double = m.MapStringDouble()
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unordered_map_string_double = m.UnorderedMapStringDouble()
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map_string_double_const = m.MapStringDoubleConst()
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unordered_map_string_double_const = m.UnorderedMapStringDoubleConst()
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assert map_string_double.keys().__class__.__name__ == "KeysView"
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assert map_string_double.values().__class__.__name__ == "ValuesView"
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assert map_string_double.items().__class__.__name__ == "ItemsView"
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keys_type = type(map_string_double.keys())
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assert type(unordered_map_string_double.keys()) is keys_type
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assert type(map_string_double_const.keys()) is keys_type
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assert type(unordered_map_string_double_const.keys()) is keys_type
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values_type = type(map_string_double.values())
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assert type(unordered_map_string_double.values()) is values_type
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assert type(map_string_double_const.values()) is values_type
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assert type(unordered_map_string_double_const.values()) is values_type
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items_type = type(map_string_double.items())
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assert type(unordered_map_string_double.items()) is items_type
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assert type(map_string_double_const.items()) is items_type
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assert type(unordered_map_string_double_const.items()) is items_type
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map_string_float = m.MapStringFloat()
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unordered_map_string_float = m.UnorderedMapStringFloat()
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assert type(map_string_float.keys()) is keys_type
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assert type(unordered_map_string_float.keys()) is keys_type
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assert type(map_string_float.values()) is values_type
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assert type(unordered_map_string_float.values()) is values_type
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assert type(map_string_float.items()) is items_type
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assert type(unordered_map_string_float.items()) is items_type
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map_pair_double_int_int32 = m.MapPairDoubleIntInt32()
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map_pair_double_int_int64 = m.MapPairDoubleIntInt64()
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assert type(map_pair_double_int_int32.values()) is values_type
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assert type(map_pair_double_int_int64.values()) is values_type
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map_int_object = m.MapIntObject()
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map_string_object = m.MapStringObject()
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assert type(map_int_object.keys()) is keys_type
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assert type(map_string_object.keys()) is keys_type
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assert type(map_int_object.items()) is items_type
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assert type(map_string_object.items()) is items_type
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def test_recursive_vector():
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recursive_vector = m.RecursiveVector()
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recursive_vector.append(m.RecursiveVector())
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recursive_vector[0].append(m.RecursiveVector())
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recursive_vector[0].append(m.RecursiveVector())
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# Can't use len() since test_stl_binders.cpp does not include stl.h,
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# so the necessary conversion is missing
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assert recursive_vector[0].count(m.RecursiveVector()) == 2
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def test_recursive_map():
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recursive_map = m.RecursiveMap()
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recursive_map[100] = m.RecursiveMap()
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recursive_map[100][101] = m.RecursiveMap()
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recursive_map[100][102] = m.RecursiveMap()
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assert list(recursive_map[100].keys()) == [101, 102]
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def test_user_vector_like():
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vec = m.UserVectorLike()
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vec.append(2)
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assert vec[0] == 2
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assert len(vec) == 1
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def test_user_like_map():
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map = m.UserMapLike()
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map[33] = 44
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assert map[33] == 44
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assert len(map) == 1
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