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pythonnet/src/embed_tests/TestRuntime.cs at pythonnet2-plus · dmitriyse/pythonnet · GitHub
This repository was archived by the owner on Jan 25, 2023. It is now read-only.
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TestRuntime.cs
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TestRuntime.cs
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using
System
;
using
NUnit
.
Framework
;
using
Python
.
Runtime
;
namespace
Python
.
EmbeddingTest
{
public
class
TestRuntime
{
[
OneTimeSetUp
]
public
void
SetUp
(
)
{
// We needs to ensure that no any engines are running.
if
(
PythonEngine
.
IsInitialized
)
{
PythonEngine
.
Shutdown
(
)
;
}
}
[
Test
]
public
static
void
Py_IsInitializedValue
(
)
{
// We know for sure that all engines are shut down.
// Runtime.Runtime.Py_Finalize();
Assert
.
AreEqual
(
0
,
Runtime
.
Runtime
.
Py_IsInitialized
(
)
)
;
Runtime
.
Runtime
.
Py_Initialize
(
)
;
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Py_IsInitialized
(
)
)
;
Runtime
.
Runtime
.
Py_Finalize
(
)
;
Assert
.
AreEqual
(
0
,
Runtime
.
Runtime
.
Py_IsInitialized
(
)
)
;
}
[
Test
]
public
static
void
RefCountTest
(
)
{
Runtime
.
Runtime
.
Py_Initialize
(
)
;
IntPtr
op
=
Runtime
.
Runtime
.
PyUnicode_FromString
(
"FooBar"
)
;
// New object RefCount should be one
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
// Checking refcount didn't change refcount
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
// New reference doesn't increase refcount
IntPtr
p
=
op
;
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Refcount
(
p
)
)
;
// Py_IncRef/Py_DecRef increase and decrease RefCount
Runtime
.
Runtime
.
Py_IncRef
(
op
)
;
Assert
.
AreEqual
(
2
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
Runtime
.
Runtime
.
Py_DecRef
(
op
)
;
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
// XIncref/XDecref increase and decrease RefCount
Runtime
.
Runtime
.
XIncref
(
op
)
;
Assert
.
AreEqual
(
2
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
Runtime
.
Runtime
.
XDecref
(
op
)
;
Assert
.
AreEqual
(
1
,
Runtime
.
Runtime
.
Refcount
(
op
)
)
;
Runtime
.
Runtime
.
Py_Finalize
(
)
;
}
[
Test
]
public
static
void
PyCheck_Iter_PyObject_IsIterable_Test
(
)
{
Runtime
.
Runtime
.
Py_Initialize
(
)
;
// Tests that a python list is an iterable, but not an iterator
var
pyList
=
Runtime
.
Runtime
.
PyList_New
(
0
)
;
Assert
.
IsFalse
(
Runtime
.
Runtime
.
PyIter_Check
(
pyList
)
)
;
Assert
.
IsTrue
(
Runtime
.
Runtime
.
PyObject_IsIterable
(
pyList
)
)
;
// Tests that a python list iterator is both an iterable and an iterator
var
pyListIter
=
Runtime
.
Runtime
.
PyObject_GetIter
(
pyList
)
;
Assert
.
IsTrue
(
Runtime
.
Runtime
.
PyObject_IsIterable
(
pyListIter
)
)
;
Assert
.
IsTrue
(
Runtime
.
Runtime
.
PyIter_Check
(
pyListIter
)
)
;
// Tests that a python float is neither an iterable nor an iterator
var
pyFloat
=
Runtime
.
Runtime
.
PyFloat_FromDouble
(
2.73
)
;
Assert
.
IsFalse
(
Runtime
.
Runtime
.
PyObject_IsIterable
(
pyFloat
)
)
;
Assert
.
IsFalse
(
Runtime
.
Runtime
.
PyIter_Check
(
pyFloat
)
)
;
Runtime
.
Runtime
.
Py_Finalize
(
)
;
}
[
Test
]
public
static
void
PyCheck_Iter_PyObject_IsIterable_ThreadingLock_Test
(
)
{
Runtime
.
Runtime
.
Py_Initialize
(
)
;
// Create an instance of threading.Lock, which is one of the very few types that does not have the
// TypeFlags.HaveIter set in Python 2. This tests a different code path in PyObject_IsIterable and PyIter_Check.
var
threading
=
Runtime
.
Runtime
.
PyImport_ImportModule
(
"threading"
)
;
var
threadingDict
=
Runtime
.
Runtime
.
PyModule_GetDict
(
threading
)
;
var
lockType
=
Runtime
.
Runtime
.
PyDict_GetItemString
(
threadingDict
,
"Lock"
)
;
var
lockInstance
=
Runtime
.
Runtime
.
PyObject_CallObject
(
lockType
,
Runtime
.
Runtime
.
PyTuple_New
(
0
)
)
;
Assert
.
IsFalse
(
Runtime
.
Runtime
.
PyObject_IsIterable
(
lockInstance
)
)
;
Assert
.
IsFalse
(
Runtime
.
Runtime
.
PyIter_Check
(
lockInstance
)
)
;
Runtime
.
Runtime
.
Py_Finalize
(
)
;
}
}
}
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