def testActualiseFloat(self, mapper, call_later):
fptr = Marshal.AllocHGlobal(Marshal.SizeOf(PyFloatObject))
call_later(lambda: Marshal.FreeHGlobal(fptr))
CPyMarshal.WritePtrField(fptr, PyFloatObject, "ob_type",
mapper.PyFloat_Type)
CPyMarshal.WriteIntField(fptr, PyFloatObject, "ob_refcnt", 1)
CPyMarshal.WriteDoubleField(fptr, PyFloatObject, "ob_fval", 1.234)
self.assertEquals(mapper.Retrieve(fptr), 1.234)
def testWriteDoubleField(self):
data = Marshal.AllocHGlobal(Marshal.SizeOf(PyFloatObject()))
CPyMarshal.Zero(data, Marshal.SizeOf(PyFloatObject()))
CPyMarshal.WriteDoubleField(data, PyFloatObject, "ob_fval", 7.6e-5)
dataStruct = PtrToStructure(data, PyFloatObject)
self.assertEquals(dataStruct.ob_fval, 7.6e-5)
Marshal.FreeHGlobal(data)
def testReadDoubleField(self):
data = Marshal.AllocHGlobal(Marshal.SizeOf(PyFloatObject()))
CPyMarshal.Zero(data, Marshal.SizeOf(PyFloatObject()))
CPyMarshal.WriteDoubleField(data, PyFloatObject, "ob_fval", -1.2e34)
self.assertEquals(
CPyMarshal.ReadDoubleField(data, PyFloatObject, "ob_fval"),
-1.2e34)
Marshal.FreeHGlobal(data)
