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authorAndreas Sandberg <andreas.sandberg@arm.com>2017-02-27 13:17:51 +0000
committerAndreas Sandberg <andreas.sandberg@arm.com>2017-05-02 12:37:32 +0000
commitc79706ff4ce591df2151db5504d3c224f3c9965f (patch)
treeb56cd2bfe704a40575a71075e78194a4c516c98d /ext/pybind11/tests/test_virtual_functions.py
parent359cb08623324b62d7c34973ae54d5bc7f23f9fd (diff)
downloadgem5-c79706ff4ce591df2151db5504d3c224f3c9965f.tar.xz
ext: Add pybind rev f4b81b3
Change-Id: I52e4fc9ebf2f59da57d8cf8f3e37cc79598c2f5f Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com> Reviewed-by: Andreas Hansson <andreas.hansson@arm.com> Reviewed-by: Curtis Dunham <curtis.dunham@arm.com> Reviewed-on: https://gem5-review.googlesource.com/2229 Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com> Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Pierre-Yves PĂ©neau <pierre-yves.peneau@lirmm.fr>
Diffstat (limited to 'ext/pybind11/tests/test_virtual_functions.py')
-rw-r--r--ext/pybind11/tests/test_virtual_functions.py256
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diff --git a/ext/pybind11/tests/test_virtual_functions.py b/ext/pybind11/tests/test_virtual_functions.py
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+++ b/ext/pybind11/tests/test_virtual_functions.py
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+import pytest
+import pybind11_tests
+from pybind11_tests import ConstructorStats
+
+
+def test_override(capture, msg):
+ from pybind11_tests import (ExampleVirt, runExampleVirt, runExampleVirtVirtual,
+ runExampleVirtBool)
+
+ class ExtendedExampleVirt(ExampleVirt):
+ def __init__(self, state):
+ super(ExtendedExampleVirt, self).__init__(state + 1)
+ self.data = "Hello world"
+
+ def run(self, value):
+ print('ExtendedExampleVirt::run(%i), calling parent..' % value)
+ return super(ExtendedExampleVirt, self).run(value + 1)
+
+ def run_bool(self):
+ print('ExtendedExampleVirt::run_bool()')
+ return False
+
+ def get_string1(self):
+ return "override1"
+
+ def pure_virtual(self):
+ print('ExtendedExampleVirt::pure_virtual(): %s' % self.data)
+
+ class ExtendedExampleVirt2(ExtendedExampleVirt):
+ def __init__(self, state):
+ super(ExtendedExampleVirt2, self).__init__(state + 1)
+
+ def get_string2(self):
+ return "override2"
+
+ ex12 = ExampleVirt(10)
+ with capture:
+ assert runExampleVirt(ex12, 20) == 30
+ assert capture == """
+ Original implementation of ExampleVirt::run(state=10, value=20, str1=default1, str2=default2)
+ """ # noqa: E501 line too long
+
+ with pytest.raises(RuntimeError) as excinfo:
+ runExampleVirtVirtual(ex12)
+ assert msg(excinfo.value) == 'Tried to call pure virtual function "ExampleVirt::pure_virtual"'
+
+ ex12p = ExtendedExampleVirt(10)
+ with capture:
+ assert runExampleVirt(ex12p, 20) == 32
+ assert capture == """
+ ExtendedExampleVirt::run(20), calling parent..
+ Original implementation of ExampleVirt::run(state=11, value=21, str1=override1, str2=default2)
+ """ # noqa: E501 line too long
+ with capture:
+ assert runExampleVirtBool(ex12p) is False
+ assert capture == "ExtendedExampleVirt::run_bool()"
+ with capture:
+ runExampleVirtVirtual(ex12p)
+ assert capture == "ExtendedExampleVirt::pure_virtual(): Hello world"
+
+ ex12p2 = ExtendedExampleVirt2(15)
+ with capture:
+ assert runExampleVirt(ex12p2, 50) == 68
+ assert capture == """
+ ExtendedExampleVirt::run(50), calling parent..
+ Original implementation of ExampleVirt::run(state=17, value=51, str1=override1, str2=override2)
+ """ # noqa: E501 line too long
+
+ cstats = ConstructorStats.get(ExampleVirt)
+ assert cstats.alive() == 3
+ del ex12, ex12p, ex12p2
+ assert cstats.alive() == 0
+ assert cstats.values() == ['10', '11', '17']
+ assert cstats.copy_constructions == 0
+ assert cstats.move_constructions >= 0
+
+
+def test_inheriting_repeat():
+ from pybind11_tests import A_Repeat, B_Repeat, C_Repeat, D_Repeat, A_Tpl, B_Tpl, C_Tpl, D_Tpl
+
+ class AR(A_Repeat):
+ def unlucky_number(self):
+ return 99
+
+ class AT(A_Tpl):
+ def unlucky_number(self):
+ return 999
+
+ obj = AR()
+ assert obj.say_something(3) == "hihihi"
+ assert obj.unlucky_number() == 99
+ assert obj.say_everything() == "hi 99"
+
+ obj = AT()
+ assert obj.say_something(3) == "hihihi"
+ assert obj.unlucky_number() == 999
+ assert obj.say_everything() == "hi 999"
+
+ for obj in [B_Repeat(), B_Tpl()]:
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 13
+ assert obj.lucky_number() == 7.0
+ assert obj.say_everything() == "B says hi 1 times 13"
+
+ for obj in [C_Repeat(), C_Tpl()]:
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 888.0
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ class CR(C_Repeat):
+ def lucky_number(self):
+ return C_Repeat.lucky_number(self) + 1.25
+
+ obj = CR()
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 889.25
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ class CT(C_Tpl):
+ pass
+
+ obj = CT()
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 888.0
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ class CCR(CR):
+ def lucky_number(self):
+ return CR.lucky_number(self) * 10
+
+ obj = CCR()
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 8892.5
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ class CCT(CT):
+ def lucky_number(self):
+ return CT.lucky_number(self) * 1000
+
+ obj = CCT()
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 888000.0
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ class DR(D_Repeat):
+ def unlucky_number(self):
+ return 123
+
+ def lucky_number(self):
+ return 42.0
+
+ for obj in [D_Repeat(), D_Tpl()]:
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 4444
+ assert obj.lucky_number() == 888.0
+ assert obj.say_everything() == "B says hi 1 times 4444"
+
+ obj = DR()
+ assert obj.say_something(3) == "B says hi 3 times"
+ assert obj.unlucky_number() == 123
+ assert obj.lucky_number() == 42.0
+ assert obj.say_everything() == "B says hi 1 times 123"
+
+ class DT(D_Tpl):
+ def say_something(self, times):
+ return "DT says:" + (' quack' * times)
+
+ def unlucky_number(self):
+ return 1234
+
+ def lucky_number(self):
+ return -4.25
+
+ obj = DT()
+ assert obj.say_something(3) == "DT says: quack quack quack"
+ assert obj.unlucky_number() == 1234
+ assert obj.lucky_number() == -4.25
+ assert obj.say_everything() == "DT says: quack 1234"
+
+ class DT2(DT):
+ def say_something(self, times):
+ return "DT2: " + ('QUACK' * times)
+
+ def unlucky_number(self):
+ return -3
+
+ class BT(B_Tpl):
+ def say_something(self, times):
+ return "BT" * times
+
+ def unlucky_number(self):
+ return -7
+
+ def lucky_number(self):
+ return -1.375
+
+ obj = BT()
+ assert obj.say_something(3) == "BTBTBT"
+ assert obj.unlucky_number() == -7
+ assert obj.lucky_number() == -1.375
+ assert obj.say_everything() == "BT -7"
+
+
+@pytest.mark.skipif(not hasattr(pybind11_tests, 'NCVirt'),
+ reason="NCVirt test broken on ICPC")
+def test_move_support():
+ from pybind11_tests import NCVirt, NonCopyable, Movable
+
+ class NCVirtExt(NCVirt):
+ def get_noncopyable(self, a, b):
+ # Constructs and returns a new instance:
+ nc = NonCopyable(a * a, b * b)
+ return nc
+
+ def get_movable(self, a, b):
+ # Return a referenced copy
+ self.movable = Movable(a, b)
+ return self.movable
+
+ class NCVirtExt2(NCVirt):
+ def get_noncopyable(self, a, b):
+ # Keep a reference: this is going to throw an exception
+ self.nc = NonCopyable(a, b)
+ return self.nc
+
+ def get_movable(self, a, b):
+ # Return a new instance without storing it
+ return Movable(a, b)
+
+ ncv1 = NCVirtExt()
+ assert ncv1.print_nc(2, 3) == "36"
+ assert ncv1.print_movable(4, 5) == "9"
+ ncv2 = NCVirtExt2()
+ assert ncv2.print_movable(7, 7) == "14"
+ # Don't check the exception message here because it differs under debug/non-debug mode
+ with pytest.raises(RuntimeError):
+ ncv2.print_nc(9, 9)
+
+ nc_stats = ConstructorStats.get(NonCopyable)
+ mv_stats = ConstructorStats.get(Movable)
+ assert nc_stats.alive() == 1
+ assert mv_stats.alive() == 1
+ del ncv1, ncv2
+ assert nc_stats.alive() == 0
+ assert mv_stats.alive() == 0
+ assert nc_stats.values() == ['4', '9', '9', '9']
+ assert mv_stats.values() == ['4', '5', '7', '7']
+ assert nc_stats.copy_constructions == 0
+ assert mv_stats.copy_constructions == 1
+ assert nc_stats.move_constructions >= 0
+ assert mv_stats.move_constructions >= 0