def test_pointers(msg):
from pybind11_tests import (return_void_ptr, get_void_ptr_value,
ExampleMandA, print_opaque_list,
return_null_str, get_null_str_value,
return_unique_ptr, ConstructorStats)
living_before = ConstructorStats.get(ExampleMandA).alive()
if get_void_ptr_value(return_void_ptr()) != 0x1234:
raise AssertionError
if not get_void_ptr_value(ExampleMandA()):
raise AssertionError
if ConstructorStats.get(ExampleMandA).alive() != living_before:
raise AssertionError
with pytest.raises(TypeError) as excinfo:
get_void_ptr_value([1, 2, 3]) # This should not work
if msg(excinfo.value) != """
get_void_ptr_value(): incompatible function arguments. The following argument types are supported:
1. (arg0: capsule) -> int
Invoked with: [1, 2, 3]
""":
raise AssertionError
if return_null_str() is not None:
raise AssertionError
if get_null_str_value(return_null_str()) is None:
raise AssertionError
ptr = return_unique_ptr()
if "StringList" not in repr(ptr):
raise AssertionError
if print_opaque_list(ptr) != "Opaque list: [some value]":
raise AssertionError
def test_pointers(msg):
from pybind11_tests import (return_void_ptr, get_void_ptr_value,
ExampleMandA, print_opaque_list,
return_null_str, get_null_str_value,
return_unique_ptr, ConstructorStats)
assert get_void_ptr_value(return_void_ptr()) == 0x1234
assert get_void_ptr_value(
ExampleMandA()) # Should also work for other C++ types
assert ConstructorStats.get(ExampleMandA).alive() == 0
with pytest.raises(TypeError) as excinfo:
get_void_ptr_value([1, 2, 3]) # This should not work
assert msg(excinfo.value) == """
get_void_ptr_value(): incompatible function arguments. The following argument types are supported:
1. (arg0: capsule) -> int
Invoked with: [1, 2, 3]
"""
assert return_null_str() is None
assert get_null_str_value(return_null_str()) is not None
ptr = return_unique_ptr()
assert "StringList" in repr(ptr)
assert print_opaque_list(ptr) == "Opaque list: [some value]"
def test_copy_method():
"""Issue #443: calling copied methods fails in Python 3"""
from pybind11_tests import ExampleMandA
ExampleMandA.add2c = ExampleMandA.add2
ExampleMandA.add2d = ExampleMandA.add2b
a = ExampleMandA(123)
assert a.value == 123
a.add2(ExampleMandA(-100))
assert a.value == 23
a.add2b(ExampleMandA(20))
assert a.value == 43
a.add2c(ExampleMandA(6))
assert a.value == 49
a.add2d(ExampleMandA(-7))
assert a.value == 42
def test_no_mixed_overloads():
from pybind11_tests import debug_enabled
with pytest.raises(RuntimeError) as excinfo:
ExampleMandA.add_mixed_overloads1()
assert (str(excinfo.value) ==
"overloading a method with both static and instance methods is not supported; " +
("compile in debug mode for more details" if not debug_enabled else
"error while attempting to bind static method ExampleMandA.overload_mixed1"
"() -> str")
)
with pytest.raises(RuntimeError) as excinfo:
ExampleMandA.add_mixed_overloads2()
assert (str(excinfo.value) ==
"overloading a method with both static and instance methods is not supported; " +
("compile in debug mode for more details" if not debug_enabled else
"error while attempting to bind instance method ExampleMandA.overload_mixed2"
"(self: pybind11_tests.ExampleMandA, arg0: int, arg1: int) -> str")
)
def test_no_mixed_overloads():
from pybind11_tests import debug_enabled
with pytest.raises(RuntimeError) as excinfo:
ExampleMandA.add_mixed_overloads1()
assert (str(excinfo.value) ==
"overloading a method with both static and instance methods is not supported; " +
("compile in debug mode for more details" if not debug_enabled else
"error while attempting to bind static method ExampleMandA.overload_mixed1"
"() -> str")
)
with pytest.raises(RuntimeError) as excinfo:
ExampleMandA.add_mixed_overloads2()
assert (str(excinfo.value) ==
"overloading a method with both static and instance methods is not supported; " +
("compile in debug mode for more details" if not debug_enabled else
"error while attempting to bind instance method ExampleMandA.overload_mixed2"
"(self: pybind11_tests.ExampleMandA, arg0: int, arg1: int) -> str")
)
def test_methods_and_attributes():
instance1 = ExampleMandA()
instance2 = ExampleMandA(32)
instance1.add1(instance2)
instance1.add2(instance2)
instance1.add3(instance2)
instance1.add4(instance2)
instance1.add5(instance2)
instance1.add6(32)
instance1.add7(32)
instance1.add8(32)
instance1.add9(32)
instance1.add10(32)
assert str(instance1) == "ExampleMandA[value=320]"
assert str(instance2) == "ExampleMandA[value=32]"
assert str(instance1.self1()) == "ExampleMandA[value=320]"
assert str(instance1.self2()) == "ExampleMandA[value=320]"
assert str(instance1.self3()) == "ExampleMandA[value=320]"
assert str(instance1.self4()) == "ExampleMandA[value=320]"
assert str(instance1.self5()) == "ExampleMandA[value=320]"
assert instance1.internal1() == 320
assert instance1.internal2() == 320
assert instance1.internal3() == 320
assert instance1.internal4() == 320
assert instance1.internal5() == 320
assert instance1.overloaded(1, 1.0) == "(int, float)"
assert instance1.overloaded(2.0, 2) == "(float, int)"
assert instance1.overloaded_const(3, 3.0) == "(int, float) const"
assert instance1.overloaded_const(4.0, 4) == "(float, int) const"
assert instance1.value == 320
instance1.value = 100
assert str(instance1) == "ExampleMandA[value=100]"
cstats = ConstructorStats.get(ExampleMandA)
assert cstats.alive() == 2
del instance1, instance2
assert cstats.alive() == 0
assert cstats.values() == ["32"]
assert cstats.default_constructions == 1
assert cstats.copy_constructions == 3
assert cstats.move_constructions >= 1
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_copy_method():
"""Issue #443: calling copied methods fails in Python 3"""
from pybind11_tests import ExampleMandA
ExampleMandA.add2c = ExampleMandA.add2
ExampleMandA.add2d = ExampleMandA.add2b
a = ExampleMandA(123)
assert a.value == 123
a.add2(ExampleMandA(-100))
assert a.value == 23
a.add2b(ExampleMandA(20))
assert a.value == 43
a.add2c(ExampleMandA(6))
assert a.value == 49
a.add2d(ExampleMandA(-7))
assert a.value == 42
def test_methods_and_attributes():
instance1 = ExampleMandA()
instance2 = ExampleMandA(32)
instance1.add1(instance2)
instance1.add2(instance2)
instance1.add3(instance2)
instance1.add4(instance2)
instance1.add5(instance2)
instance1.add6(32)
instance1.add7(32)
instance1.add8(32)
instance1.add9(32)
instance1.add10(32)
assert str(instance1) == "ExampleMandA[value=320]"
assert str(instance2) == "ExampleMandA[value=32]"
assert str(instance1.self1()) == "ExampleMandA[value=320]"
assert str(instance1.self2()) == "ExampleMandA[value=320]"
assert str(instance1.self3()) == "ExampleMandA[value=320]"
assert str(instance1.self4()) == "ExampleMandA[value=320]"
assert str(instance1.self5()) == "ExampleMandA[value=320]"
assert instance1.internal1() == 320
assert instance1.internal2() == 320
assert instance1.internal3() == 320
assert instance1.internal4() == 320
assert instance1.internal5() == 320
assert instance1.overloaded(1, 1.0) == "(int, float)"
assert instance1.overloaded(2.0, 2) == "(float, int)"
assert instance1.overloaded(3, 3) == "(int, int)"
assert instance1.overloaded(4., 4.) == "(float, float)"
assert instance1.overloaded_const(5, 5.0) == "(int, float) const"
assert instance1.overloaded_const(6.0, 6) == "(float, int) const"
assert instance1.overloaded_const(7, 7) == "(int, int) const"
assert instance1.overloaded_const(8., 8.) == "(float, float) const"
assert instance1.overloaded_float(1, 1) == "(float, float)"
assert instance1.overloaded_float(1, 1.) == "(float, float)"
assert instance1.overloaded_float(1., 1) == "(float, float)"
assert instance1.overloaded_float(1., 1.) == "(float, float)"
assert instance1.value == 320
instance1.value = 100
assert str(instance1) == "ExampleMandA[value=100]"
cstats = ConstructorStats.get(ExampleMandA)
assert cstats.alive() == 2
del instance1, instance2
assert cstats.alive() == 0
assert cstats.values() == ["32"]
assert cstats.default_constructions == 1
assert cstats.copy_constructions == 3
assert cstats.move_constructions >= 1
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_methods_and_attributes():
instance1 = ExampleMandA()
instance2 = ExampleMandA(32)
instance1.add1(instance2)
instance1.add2(instance2)
instance1.add3(instance2)
instance1.add4(instance2)
instance1.add5(instance2)
instance1.add6(32)
instance1.add7(32)
instance1.add8(32)
instance1.add9(32)
instance1.add10(32)
assert str(instance1) == "ExampleMandA[value=320]"
assert str(instance2) == "ExampleMandA[value=32]"
assert str(instance1.self1()) == "ExampleMandA[value=320]"
assert str(instance1.self2()) == "ExampleMandA[value=320]"
assert str(instance1.self3()) == "ExampleMandA[value=320]"
assert str(instance1.self4()) == "ExampleMandA[value=320]"
assert str(instance1.self5()) == "ExampleMandA[value=320]"
assert instance1.internal1() == 320
assert instance1.internal2() == 320
assert instance1.internal3() == 320
assert instance1.internal4() == 320
assert instance1.internal5() == 320
assert instance1.value == 320
instance1.value = 100
assert str(instance1) == "ExampleMandA[value=100]"
cstats = ConstructorStats.get(ExampleMandA)
assert cstats.alive() == 2
del instance1, instance2
assert cstats.alive() == 0
assert cstats.values() == ["32"]
assert cstats.default_constructions == 1
assert cstats.copy_constructions == 3
assert cstats.move_constructions >= 1
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_methods_and_attributes():
instance1 = ExampleMandA()
instance2 = ExampleMandA(32)
instance1.add1(instance2)
instance1.add2(instance2)
instance1.add3(instance2)
instance1.add4(instance2)
instance1.add5(instance2)
instance1.add6(32)
instance1.add7(32)
instance1.add8(32)
instance1.add9(32)
instance1.add10(32)
if str(instance1) != "ExampleMandA[value=320]":
raise AssertionError
if str(instance2) != "ExampleMandA[value=32]":
raise AssertionError
if str(instance1.self1()) != "ExampleMandA[value=320]":
raise AssertionError
if str(instance1.self2()) != "ExampleMandA[value=320]":
raise AssertionError
if str(instance1.self3()) != "ExampleMandA[value=320]":
raise AssertionError
if str(instance1.self4()) != "ExampleMandA[value=320]":
raise AssertionError
if str(instance1.self5()) != "ExampleMandA[value=320]":
raise AssertionError
if instance1.internal1() != 320:
raise AssertionError
if instance1.internal2() != 320:
raise AssertionError
if instance1.internal3() != 320:
raise AssertionError
if instance1.internal4() != 320:
raise AssertionError
if instance1.internal5() != 320:
raise AssertionError
if instance1.overloaded(1, 1.0) != "(int, float)":
raise AssertionError
if instance1.overloaded(2.0, 2) != "(float, int)":
raise AssertionError
if instance1.overloaded(3, 3) != "(int, int)":
raise AssertionError
if instance1.overloaded(4., 4.) != "(float, float)":
raise AssertionError
if instance1.overloaded_const(5, 5.0) != "(int, float) const":
raise AssertionError
if instance1.overloaded_const(6.0, 6) != "(float, int) const":
raise AssertionError
if instance1.overloaded_const(7, 7) != "(int, int) const":
raise AssertionError
if instance1.overloaded_const(8., 8.) != "(float, float) const":
raise AssertionError
if instance1.overloaded_float(1, 1) != "(float, float)":
raise AssertionError
if instance1.overloaded_float(1, 1.) != "(float, float)":
raise AssertionError
if instance1.overloaded_float(1., 1) != "(float, float)":
raise AssertionError
if instance1.overloaded_float(1., 1.) != "(float, float)":
raise AssertionError
if instance1.value != 320:
raise AssertionError
instance1.value = 100
if str(instance1) != "ExampleMandA[value=100]":
raise AssertionError
cstats = ConstructorStats.get(ExampleMandA)
if cstats.alive() != 2:
raise AssertionError
del instance1, instance2
if cstats.alive() != 0:
raise AssertionError
if cstats.values() != ["32"]:
raise AssertionError
if cstats.default_constructions != 1:
raise AssertionError
if cstats.copy_constructions != 3:
raise AssertionError
if cstats.move_constructions < 1:
raise AssertionError
if cstats.copy_assignments != 0:
raise AssertionError
if cstats.move_assignments != 0:
raise AssertionError