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test_method.py
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968 lines (699 loc) · 29.5 KB
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# -*- coding: utf-8 -*-
"""Test CLR method support."""
import System
import pytest
from Python.Test import MethodTest
from ._compat import PY2, long, unichr
def test_instance_method_descriptor():
"""Test instance method descriptor behavior."""
with pytest.raises(AttributeError):
MethodTest().PublicMethod = 0
with pytest.raises(AttributeError):
MethodTest.PublicMethod = 0
with pytest.raises(AttributeError):
del MethodTest().PublicMethod
with pytest.raises(AttributeError):
del MethodTest.PublicMethod
def test_static_method_descriptor():
"""Test static method descriptor behavior."""
with pytest.raises(AttributeError):
MethodTest().PublicStaticMethod = 0
with pytest.raises(AttributeError):
MethodTest.PublicStaticMethod = 0
with pytest.raises(AttributeError):
del MethodTest().PublicStaticMethod
with pytest.raises(AttributeError):
del MethodTest.PublicStaticMethod
def test_public_instance_method():
"""Test public instance method visibility."""
ob = MethodTest()
assert ob.PublicMethod() == "public"
def test_public_static_method():
"""Test public static method visibility."""
ob = MethodTest()
assert MethodTest.PublicStaticMethod() == "public static"
assert ob.PublicStaticMethod() == "public static"
def test_protected_instance_method():
"""Test protected instance method visibility."""
ob = MethodTest()
assert ob.ProtectedMethod() == "protected"
def test_protected_static_method():
"""Test protected static method visibility."""
ob = MethodTest()
result = "protected static"
assert MethodTest.ProtectedStaticMethod() == result
assert ob.ProtectedStaticMethod() == result
def test_internal_method():
"""Test internal method visibility."""
with pytest.raises(AttributeError):
_ = MethodTest().InternalMethod
with pytest.raises(AttributeError):
_ = MethodTest.InternalMethod
with pytest.raises(AttributeError):
_ = MethodTest().InternalStaticMethod
with pytest.raises(AttributeError):
_ = MethodTest.InternalStaticMethod
def test_private_method():
"""Test private method visibility."""
with pytest.raises(AttributeError):
_ = MethodTest().PrivateMethod
with pytest.raises(AttributeError):
_ = MethodTest.PrivateMethod
with pytest.raises(AttributeError):
_ = MethodTest().PrivateStaticMethod
with pytest.raises(AttributeError):
_ = MethodTest.PrivateStaticMethod
def test_unbound_managed_method_call():
"""Test calling unbound managed methods."""
from Python.Test import MethodTestSub
ob = MethodTest()
assert MethodTest.PublicMethod(ob) == "public"
with pytest.raises(TypeError):
MethodTest.PublicMethod()
ob = MethodTestSub()
assert MethodTestSub.PublicMethod(ob) == "public"
assert MethodTestSub.PublicMethod(ob, "echo") == "echo"
with pytest.raises(TypeError):
MethodTestSub.PublicMethod("echo")
def test_overloaded_method_inheritance():
"""Test that overloads are inherited properly."""
from Python.Test import MethodTestSub
ob = MethodTest()
assert ob.PublicMethod() == "public"
with pytest.raises(TypeError):
ob = MethodTest()
ob.PublicMethod("echo")
ob = MethodTestSub()
assert ob.PublicMethod() == "public"
assert ob.PublicMethod("echo") == "echo"
def test_method_descriptor_abuse():
"""Test method descriptor abuse."""
desc = MethodTest.__dict__['PublicMethod']
with pytest.raises(TypeError):
desc.__get__(0, 0)
with pytest.raises(AttributeError):
desc.__set__(0, 0)
def test_method_docstrings():
"""Test standard method docstring generation"""
method = MethodTest.GetType
value = 'System.Type GetType()'
assert method.__doc__ == value
# ======================================================================
# Tests of specific argument and result conversion scenarios
# ======================================================================
def test_method_call_enum_conversion():
"""Test enum conversion in method call."""
from System import TypeCode
ob = MethodTest()
r = ob.TestEnumConversion(TypeCode.Int32)
assert r == TypeCode.Int32
def test_method_call_flags_conversion():
"""Test flags conversion in method call."""
from System.IO import FileAccess
ob = MethodTest()
flags = FileAccess.Read | FileAccess.Write
r = ob.TestFlagsConversion(flags)
assert r == flags
def test_method_call_struct_conversion():
"""Test struct conversion in method call."""
from System import Guid
ob = MethodTest()
guid = Guid.NewGuid()
temp = guid.ToString()
r = ob.TestStructConversion(guid)
assert r.ToString() == temp
def test_subclass_instance_conversion():
"""Test subclass instance conversion in method call."""
class TestSubException(System.Exception):
pass
ob = MethodTest()
instance = TestSubException()
result = ob.TestSubclassConversion(instance)
assert isinstance(result, System.Exception)
def test_null_array_conversion():
"""Test null array conversion in method call."""
ob = MethodTest()
r = ob.TestNullArrayConversion(None)
assert r is None
def test_string_params_args():
"""Test use of string params."""
result = MethodTest.TestStringParamsArg('one', 'two', 'three')
assert result.Length == 3
assert len(result) == 3, result
assert result[0] == 'one'
assert result[1] == 'two'
assert result[2] == 'three'
result = MethodTest.TestStringParamsArg(['one', 'two', 'three'])
assert len(result) == 3
assert result[0] == 'one'
assert result[1] == 'two'
assert result[2] == 'three'
def test_object_params_args():
"""Test use of object params."""
result = MethodTest.TestObjectParamsArg('one', 'two', 'three')
assert len(result) == 3, result
assert result[0] == 'one'
assert result[1] == 'two'
assert result[2] == 'three'
result = MethodTest.TestObjectParamsArg(['one', 'two', 'three'])
assert len(result) == 3, result
assert result[0] == 'one'
assert result[1] == 'two'
assert result[2] == 'three'
def test_value_params_args():
"""Test use of value type params."""
result = MethodTest.TestValueParamsArg(1, 2, 3)
assert len(result) == 3
assert result[0] == 1
assert result[1] == 2
assert result[2] == 3
result = MethodTest.TestValueParamsArg([1, 2, 3])
assert len(result) == 3
assert result[0] == 1
assert result[1] == 2
assert result[2] == 3
def test_non_params_array_in_last_place():
"""Test overload resolution with of non-"params" array as
last parameter."""
result = MethodTest.TestNonParamsArrayInLastPlace(1, 2, 3)
assert result
def test_string_out_params():
"""Test use of string out-parameters."""
result = MethodTest.TestStringOutParams("hi", "there")
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
result = MethodTest.TestStringOutParams("hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
def test_string_ref_params():
"""Test use of string byref parameters."""
result = MethodTest.TestStringRefParams("hi", "there")
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
result = MethodTest.TestStringRefParams("hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
def test_value_out_params():
"""Test use of value type out-parameters."""
result = MethodTest.TestValueOutParams("hi", 1)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == 42
# None cannot be converted to a value type like int, long, etc.
with pytest.raises(TypeError):
MethodTest.TestValueOutParams("hi", None)
def test_value_ref_params():
"""Test use of value type byref parameters."""
result = MethodTest.TestValueRefParams("hi", 1)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == 42
# None cannot be converted to a value type like int, long, etc.
with pytest.raises(TypeError):
MethodTest.TestValueRefParams("hi", None)
def test_object_out_params():
"""Test use of object out-parameters."""
result = MethodTest.TestObjectOutParams("hi", MethodTest())
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Exception)
result = MethodTest.TestObjectOutParams("hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Exception)
def test_object_ref_params():
"""Test use of object byref parameters."""
result = MethodTest.TestObjectRefParams("hi", MethodTest())
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Exception)
result = MethodTest.TestObjectRefParams("hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Exception)
def test_struct_out_params():
"""Test use of struct out-parameters."""
result = MethodTest.TestStructOutParams("hi", System.Guid.NewGuid())
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Guid)
# None cannot be converted to a value type like a struct
with pytest.raises(TypeError):
MethodTest.TestValueRefParams("hi", None)
def test_struct_ref_params():
"""Test use of struct byref parameters."""
result = MethodTest.TestStructRefParams("hi", System.Guid.NewGuid())
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert isinstance(result[1], System.Guid)
# None cannot be converted to a value type like a struct
with pytest.raises(TypeError):
MethodTest.TestValueRefParams("hi", None)
def test_void_single_out_param():
"""Test void method with single out-parameter."""
result = MethodTest.TestVoidSingleOutParam(9)
assert result == 42
# None cannot be converted to a value type
with pytest.raises(TypeError):
MethodTest.TestVoidSingleOutParam(None)
def test_void_single_ref_param():
"""Test void method with single ref-parameter."""
result = MethodTest.TestVoidSingleRefParam(9)
assert result == 42
# None cannot be converted to a value type
with pytest.raises(TypeError):
MethodTest.TestVoidSingleRefParam(None)
def test_single_default_param():
"""Test void method with single ref-parameter."""
result = MethodTest.TestSingleDefaultParam()
assert result == 5
def test_one_arg_and_two_default_param():
"""Test void method with single ref-parameter."""
result = MethodTest.TestOneArgAndTwoDefaultParam(11)
assert result == 22
result = MethodTest.TestOneArgAndTwoDefaultParam(15)
assert result == 26
result = MethodTest.TestOneArgAndTwoDefaultParam(20)
assert result == 31
def test_two_default_param():
"""Test void method with single ref-parameter."""
result = MethodTest.TestTwoDefaultParam()
assert result == 11
def test_explicit_selection_with_out_modifier():
"""Check explicit overload selection with out modifiers."""
refstr = System.String("").GetType().MakeByRefType()
result = MethodTest.TestStringOutParams.__overloads__[str, refstr](
"hi", "there")
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
result = MethodTest.TestStringOutParams.__overloads__[str, refstr](
"hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
def test_explicit_selection_with_ref_modifier():
"""Check explicit overload selection with ref modifiers."""
refstr = System.String("").GetType().MakeByRefType()
result = MethodTest.TestStringRefParams.__overloads__[str, refstr](
"hi", "there")
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
result = MethodTest.TestStringRefParams.__overloads__[str, refstr](
"hi", None)
assert isinstance(result, tuple)
assert len(result) == 2
assert result[0] is True
assert result[1] == "output string"
def test_explicit_overload_selection():
"""Check explicit overload selection using [] syntax."""
from Python.Test import ISayHello1, InterfaceTest, ShortEnum
from System import Array
inst = InterfaceTest()
value = MethodTest.Overloaded.__overloads__[System.Boolean](True)
assert value is True
value = MethodTest.Overloaded.__overloads__[bool](True)
assert value is True
value = MethodTest.Overloaded.__overloads__[System.Byte](255)
assert value == 255
value = MethodTest.Overloaded.__overloads__[System.SByte](127)
assert value == 127
value = MethodTest.Overloaded.__overloads__[System.Char](u'A')
assert value == u'A'
value = MethodTest.Overloaded.__overloads__[System.Char](65535)
assert value == unichr(65535)
value = MethodTest.Overloaded.__overloads__[System.Int16](32767)
assert value == 32767
value = MethodTest.Overloaded.__overloads__[System.Int32](2147483647)
assert value == 2147483647
value = MethodTest.Overloaded.__overloads__[int](2147483647)
assert value == 2147483647
value = MethodTest.Overloaded.__overloads__[System.Int64](
long(9223372036854775807))
assert value == long(9223372036854775807)
# Python 3 has no explicit long type, use System.Int64 instead
if PY2:
value = MethodTest.Overloaded.__overloads__[long](
long(9223372036854775807))
assert value == long(9223372036854775807)
value = MethodTest.Overloaded.__overloads__[System.UInt16](65000)
assert value == 65000
value = MethodTest.Overloaded.__overloads__[System.UInt32](
long(4294967295))
assert value == long(4294967295)
value = MethodTest.Overloaded.__overloads__[System.UInt64](
long(18446744073709551615))
assert value == long(18446744073709551615)
value = MethodTest.Overloaded.__overloads__[System.Single](3.402823e38)
assert value == 3.402823e38
value = MethodTest.Overloaded.__overloads__[System.Double](
1.7976931348623157e308)
assert value == 1.7976931348623157e308
value = MethodTest.Overloaded.__overloads__[float](
1.7976931348623157e308)
assert value == 1.7976931348623157e308
value = MethodTest.Overloaded.__overloads__[System.Decimal](
System.Decimal.One)
assert value == System.Decimal.One
value = MethodTest.Overloaded.__overloads__[System.String]("spam")
assert value == "spam"
value = MethodTest.Overloaded.__overloads__[str]("spam")
assert value == "spam"
value = MethodTest.Overloaded.__overloads__[ShortEnum](ShortEnum.Zero)
assert value == ShortEnum.Zero
value = MethodTest.Overloaded.__overloads__[System.Object](inst)
assert value.__class__ == inst.__class__
value = MethodTest.Overloaded.__overloads__[InterfaceTest](inst)
assert value.__class__ == inst.__class__
value = MethodTest.Overloaded.__overloads__[ISayHello1](inst)
assert value.__class__ == inst.__class__
atype = Array[System.Object]
value = MethodTest.Overloaded.__overloads__[str, int, atype](
"one", 1, atype([1, 2, 3]))
assert value == 3
value = MethodTest.Overloaded.__overloads__[str, int]("one", 1)
assert value == 1
value = MethodTest.Overloaded.__overloads__[int, str](1, "one")
assert value == 1
def test_overload_selection_with_array_types():
"""Check overload selection using array types."""
from Python.Test import ISayHello1, InterfaceTest, ShortEnum
from System import Array
inst = InterfaceTest()
vtype = Array[System.Boolean]
input_ = vtype([True, True])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] is True
assert value[1] is True
vtype = Array[bool]
input_ = vtype([True, True])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] is True
assert value[1] is True
vtype = Array[System.Byte]
input_ = vtype([0, 255])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 255
vtype = Array[System.SByte]
input_ = vtype([0, 127])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 127
vtype = Array[System.Char]
input_ = vtype([u'A', u'Z'])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == u'A'
assert value[1] == u'Z'
vtype = Array[System.Char]
input_ = vtype([0, 65535])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == unichr(0)
assert value[1] == unichr(65535)
vtype = Array[System.Int16]
input_ = vtype([0, 32767])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 32767
vtype = Array[System.Int32]
input_ = vtype([0, 2147483647])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 2147483647
vtype = Array[int]
input_ = vtype([0, 2147483647])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 2147483647
vtype = Array[System.Int64]
input_ = vtype([0, long(9223372036854775807)])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == long(9223372036854775807)
# Python 3 has no explicit long type, use System.Int64 instead
if PY2:
vtype = Array[long]
input_ = vtype([0, long(9223372036854775807)])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == long(9223372036854775807)
vtype = Array[System.UInt16]
input_ = vtype([0, 65000])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == 65000
vtype = Array[System.UInt32]
input_ = vtype([0, long(4294967295)])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == long(4294967295)
vtype = Array[System.UInt64]
input_ = vtype([0, long(18446744073709551615)])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0
assert value[1] == long(18446744073709551615)
vtype = Array[System.Single]
input_ = vtype([0.0, 3.402823e38])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0.0
assert value[1] == 3.402823e38
vtype = Array[System.Double]
input_ = vtype([0.0, 1.7976931348623157e308])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0.0
assert value[1] == 1.7976931348623157e308
vtype = Array[float]
input_ = vtype([0.0, 1.7976931348623157e308])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == 0.0
assert value[1] == 1.7976931348623157e308
vtype = Array[System.Decimal]
input_ = vtype([System.Decimal.Zero, System.Decimal.One])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == System.Decimal.Zero
assert value[1] == System.Decimal.One
vtype = Array[System.String]
input_ = vtype(["one", "two"])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == "one"
assert value[1] == "two"
vtype = Array[str]
input_ = vtype(["one", "two"])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == "one"
assert value[1] == "two"
vtype = Array[ShortEnum]
input_ = vtype([ShortEnum.Zero, ShortEnum.One])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0] == ShortEnum.Zero
assert value[1] == ShortEnum.One
vtype = Array[System.Object]
input_ = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0].__class__ == inst.__class__
assert value[1].__class__ == inst.__class__
vtype = Array[InterfaceTest]
input_ = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0].__class__ == inst.__class__
assert value[1].__class__ == inst.__class__
vtype = Array[ISayHello1]
input_ = vtype([inst, inst])
value = MethodTest.Overloaded.__overloads__[vtype](input_)
assert value[0].__class__ == inst.__class__
assert value[1].__class__ == inst.__class__
def test_explicit_overload_selection_failure():
"""Check that overload selection fails correctly."""
with pytest.raises(TypeError):
_ = MethodTest.Overloaded.__overloads__[System.Type](True)
with pytest.raises(TypeError):
_ = MethodTest.Overloaded.__overloads__[int, int](1, 1)
with pytest.raises(TypeError):
_ = MethodTest.Overloaded.__overloads__[str, int, int]("", 1, 1)
with pytest.raises(TypeError):
_ = MethodTest.Overloaded.__overloads__[int, long](1)
def test_we_can_bind_to_encoding_get_string():
"""Check that we can bind to the Encoding.GetString method
with variables."""
from System.Text import Encoding
from System.IO import MemoryStream
my_bytes = Encoding.UTF8.GetBytes('Some testing string')
stream = MemoryStream()
stream.Write(my_bytes, 0, my_bytes.Length)
stream.Position = 0
buff = System.Array.CreateInstance(System.Byte, 3)
buff.Initialize()
data = []
read = 1
while read > 0:
read, _ = stream.Read(buff, 0, buff.Length)
temp = Encoding.UTF8.GetString(buff, 0, read)
data.append(temp)
data = ''.join(data)
assert data == 'Some testing string'
def test_wrong_overload():
"""Test regression in which implicit conversion caused the wrong types
to be used. See #131 for issue. Fixed by #137, #151"""
# Used to return `50L`
res = System.Math.Abs(50.5)
assert res == 50.5
assert type(res) == float
res = System.Math.Abs(-50.5)
assert res == 50.5
assert type(res) == float
res = System.Math.Max(50.5, 50.1)
assert res == 50.5
assert type(res) == float
res = System.Math.Max(System.Double(10.5), System.Double(50.5))
assert res == 50.5
assert type(res) == float # Should it return a System.Double?
res = System.Math.Max(System.Double(50.5), 50.1)
assert res == 50.5
assert type(res) == float
def test_no_object_in_param():
"""Test that fix for #203 doesn't break behavior w/ no object overload"""
res = MethodTest.TestOverloadedNoObject(5)
assert res == "Got int"
with pytest.raises(TypeError):
MethodTest.TestOverloadedNoObject("test")
def test_object_in_param():
"""Test regression introduced by #151 in which Object method overloads
aren't being used. See #203 for issue."""
res = MethodTest.TestOverloadedObject(5)
assert res == "Got int"
res = MethodTest.TestOverloadedObject("test")
assert res == "Got object"
def test_object_in_multiparam():
"""Test method with object multiparams behaves"""
res = MethodTest.TestOverloadedObjectTwo(5, 5)
assert res == "Got int-int"
res = MethodTest.TestOverloadedObjectTwo(5, "foo")
assert res == "Got int-string"
res = MethodTest.TestOverloadedObjectTwo("foo", 7.24)
assert res == "Got string-object"
res = MethodTest.TestOverloadedObjectTwo("foo", "bar")
assert res == "Got string-string"
res = MethodTest.TestOverloadedObjectTwo("foo", 5)
assert res == "Got string-int"
res = MethodTest.TestOverloadedObjectTwo(7.24, 7.24)
assert res == "Got object-object"
def test_object_in_multiparam_exception():
"""Test method with object multiparams behaves"""
with pytest.raises(TypeError):
MethodTest.TestOverloadedObjectThree("foo", "bar")
def test_case_sensitive():
"""Test that case-sensitivity is respected. GH#81"""
res = MethodTest.CaseSensitive()
assert res == "CaseSensitive"
res = MethodTest.Casesensitive()
assert res == "Casesensitive"
with pytest.raises(AttributeError):
MethodTest.casesensitive()
def test_getting_generic_method_binding_does_not_leak_ref_count():
"""Test that managed object is freed after calling generic method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import sys
refCount = sys.getrefcount(PlainOldClass().GenericMethod[str])
assert refCount == 1
def test_getting_generic_method_binding_does_not_leak_memory():
"""Test that managed object is freed after calling generic method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import psutil, os, gc, clr
process = psutil.Process(os.getpid())
processBytesBeforeCall = process.memory_info().rss
print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))
iterations = 500
for i in range(iterations):
PlainOldClass().GenericMethod[str]
gc.collect()
clr.System.GC.Collect()
processBytesAfterCall = process.memory_info().rss
print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))
processBytesDelta = processBytesAfterCall - processBytesBeforeCall
print("Memory delta: " + str(processBytesDelta))
bytesAllocatedPerIteration = pow(2, 20) # 1MB
bytesLeakedPerIteration = processBytesDelta / iterations
# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration
failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2
assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration
def test_getting_overloaded_method_binding_does_not_leak_ref_count():
"""Test that managed object is freed after calling overloaded method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import sys
refCount = sys.getrefcount(PlainOldClass().OverloadedMethod.Overloads[int])
assert refCount == 1
def test_getting_overloaded_method_binding_does_not_leak_memory():
"""Test that managed object is freed after calling overloaded method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import psutil, os, gc, clr
process = psutil.Process(os.getpid())
processBytesBeforeCall = process.memory_info().rss
print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))
iterations = 500
for i in range(iterations):
PlainOldClass().OverloadedMethod.Overloads[int]
gc.collect()
clr.System.GC.Collect()
processBytesAfterCall = process.memory_info().rss
print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))
processBytesDelta = processBytesAfterCall - processBytesBeforeCall
print("Memory delta: " + str(processBytesDelta))
bytesAllocatedPerIteration = pow(2, 20) # 1MB
bytesLeakedPerIteration = processBytesDelta / iterations
# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration
failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2
assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration
def test_getting_method_overloads_binding_does_not_leak_ref_count():
"""Test that managed object is freed after calling overloaded method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import sys
refCount = sys.getrefcount(PlainOldClass().OverloadedMethod.Overloads)
assert refCount == 1
def test_getting_method_overloads_binding_does_not_leak_memory():
"""Test that managed object is freed after calling overloaded method. Issue #691"""
from PlainOldNamespace import PlainOldClass
import psutil, os, gc, clr
process = psutil.Process(os.getpid())
processBytesBeforeCall = process.memory_info().rss
print("\n\nMemory consumption (bytes) at start of test: " + str(processBytesBeforeCall))
iterations = 500
for i in range(iterations):
PlainOldClass().OverloadedMethod.Overloads
gc.collect()
clr.System.GC.Collect()
processBytesAfterCall = process.memory_info().rss
print("Memory consumption (bytes) at end of test: " + str(processBytesAfterCall))
processBytesDelta = processBytesAfterCall - processBytesBeforeCall
print("Memory delta: " + str(processBytesDelta))
bytesAllocatedPerIteration = pow(2, 20) # 1MB
bytesLeakedPerIteration = processBytesDelta / iterations
# Allow 50% threshold - this shows the original issue is fixed, which leaks the full allocated bytes per iteration
failThresholdBytesLeakedPerIteration = bytesAllocatedPerIteration / 2
assert bytesLeakedPerIteration < failThresholdBytesLeakedPerIteration
def test_getting_overloaded_constructor_binding_does_not_leak_ref_count():
"""Test that managed object is freed after calling overloaded constructor, constructorbinding.cs mp_subscript. Issue #691"""
from PlainOldNamespace import PlainOldClass
import sys
# simple test
refCount = sys.getrefcount(PlainOldClass.Overloads[int])
assert refCount == 1