From 444e535f000fd7b53dadf6726d5cd29ac34cc75f Mon Sep 17 00:00:00 2001 From: Miodrag Milanovic Date: Thu, 23 Jul 2020 08:58:19 +0200 Subject: Add pybind11 2.5 source --- .../pybind11/tests/test_operator_overloading.py | 108 +++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 3rdparty/pybind11/tests/test_operator_overloading.py (limited to '3rdparty/pybind11/tests/test_operator_overloading.py') diff --git a/3rdparty/pybind11/tests/test_operator_overloading.py b/3rdparty/pybind11/tests/test_operator_overloading.py new file mode 100644 index 00000000..bd36ac2a --- /dev/null +++ b/3rdparty/pybind11/tests/test_operator_overloading.py @@ -0,0 +1,108 @@ +import pytest +from pybind11_tests import operators as m +from pybind11_tests import ConstructorStats + + +def test_operator_overloading(): + v1 = m.Vector2(1, 2) + v2 = m.Vector(3, -1) + assert str(v1) == "[1.000000, 2.000000]" + assert str(v2) == "[3.000000, -1.000000]" + + assert str(-v2) == "[-3.000000, 1.000000]" + + assert str(v1 + v2) == "[4.000000, 1.000000]" + assert str(v1 - v2) == "[-2.000000, 3.000000]" + assert str(v1 - 8) == "[-7.000000, -6.000000]" + assert str(v1 + 8) == "[9.000000, 10.000000]" + assert str(v1 * 8) == "[8.000000, 16.000000]" + assert str(v1 / 8) == "[0.125000, 0.250000]" + assert str(8 - v1) == "[7.000000, 6.000000]" + assert str(8 + v1) == "[9.000000, 10.000000]" + assert str(8 * v1) == "[8.000000, 16.000000]" + assert str(8 / v1) == "[8.000000, 4.000000]" + assert str(v1 * v2) == "[3.000000, -2.000000]" + assert str(v2 / v1) == "[3.000000, -0.500000]" + + v1 += 2 * v2 + assert str(v1) == "[7.000000, 0.000000]" + v1 -= v2 + assert str(v1) == "[4.000000, 1.000000]" + v1 *= 2 + assert str(v1) == "[8.000000, 2.000000]" + v1 /= 16 + assert str(v1) == "[0.500000, 0.125000]" + v1 *= v2 + assert str(v1) == "[1.500000, -0.125000]" + v2 /= v1 + assert str(v2) == "[2.000000, 8.000000]" + + assert hash(v1) == 4 + + cstats = ConstructorStats.get(m.Vector2) + assert cstats.alive() == 2 + del v1 + assert cstats.alive() == 1 + del v2 + assert cstats.alive() == 0 + assert cstats.values() == ['[1.000000, 2.000000]', '[3.000000, -1.000000]', + '[-3.000000, 1.000000]', '[4.000000, 1.000000]', + '[-2.000000, 3.000000]', '[-7.000000, -6.000000]', + '[9.000000, 10.000000]', '[8.000000, 16.000000]', + '[0.125000, 0.250000]', '[7.000000, 6.000000]', + '[9.000000, 10.000000]', '[8.000000, 16.000000]', + '[8.000000, 4.000000]', '[3.000000, -2.000000]', + '[3.000000, -0.500000]', '[6.000000, -2.000000]'] + assert cstats.default_constructions == 0 + assert cstats.copy_constructions == 0 + assert cstats.move_constructions >= 10 + assert cstats.copy_assignments == 0 + assert cstats.move_assignments == 0 + + +def test_operators_notimplemented(): + """#393: need to return NotSupported to ensure correct arithmetic operator behavior""" + + c1, c2 = m.C1(), m.C2() + assert c1 + c1 == 11 + assert c2 + c2 == 22 + assert c2 + c1 == 21 + assert c1 + c2 == 12 + + +def test_nested(): + """#328: first member in a class can't be used in operators""" + + a = m.NestA() + b = m.NestB() + c = m.NestC() + + a += 10 + assert m.get_NestA(a) == 13 + b.a += 100 + assert m.get_NestA(b.a) == 103 + c.b.a += 1000 + assert m.get_NestA(c.b.a) == 1003 + b -= 1 + assert m.get_NestB(b) == 3 + c.b -= 3 + assert m.get_NestB(c.b) == 1 + c *= 7 + assert m.get_NestC(c) == 35 + + abase = a.as_base() + assert abase.value == -2 + a.as_base().value += 44 + assert abase.value == 42 + assert c.b.a.as_base().value == -2 + c.b.a.as_base().value += 44 + assert c.b.a.as_base().value == 42 + + del c + pytest.gc_collect() + del a # Shouldn't delete while abase is still alive + pytest.gc_collect() + + assert abase.value == 42 + del abase, b + pytest.gc_collect() -- cgit v1.2.3