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42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
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def test_operator_overloading():
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from pybind11_tests import Vector2, Vector, ConstructorStats
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v1 = Vector2(1, 2)
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v2 = Vector(3, -1)
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assert str(v1) == "[1.000000, 2.000000]"
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assert str(v2) == "[3.000000, -1.000000]"
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assert str(v1 + v2) == "[4.000000, 1.000000]"
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assert str(v1 - v2) == "[-2.000000, 3.000000]"
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assert str(v1 - 8) == "[-7.000000, -6.000000]"
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assert str(v1 + 8) == "[9.000000, 10.000000]"
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assert str(v1 * 8) == "[8.000000, 16.000000]"
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assert str(v1 / 8) == "[0.125000, 0.250000]"
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assert str(8 - v1) == "[7.000000, 6.000000]"
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assert str(8 + v1) == "[9.000000, 10.000000]"
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assert str(8 * v1) == "[8.000000, 16.000000]"
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assert str(8 / v1) == "[8.000000, 4.000000]"
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v1 += v2
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v1 *= 2
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assert str(v1) == "[8.000000, 2.000000]"
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cstats = ConstructorStats.get(Vector2)
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assert cstats.alive() == 2
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del v1
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assert cstats.alive() == 1
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del v2
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assert cstats.alive() == 0
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assert cstats.values() == ['[1.000000, 2.000000]', '[3.000000, -1.000000]',
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'[4.000000, 1.000000]', '[-2.000000, 3.000000]',
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'[-7.000000, -6.000000]', '[9.000000, 10.000000]',
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'[8.000000, 16.000000]', '[0.125000, 0.250000]',
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'[7.000000, 6.000000]', '[9.000000, 10.000000]',
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'[8.000000, 16.000000]', '[8.000000, 4.000000]']
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assert cstats.default_constructions == 0
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assert cstats.copy_constructions == 0
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assert cstats.move_constructions >= 10
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assert cstats.copy_assignments == 0
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assert cstats.move_assignments == 0
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