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from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
from pypy.module.cpyext.test.test_api import BaseApiTest, raises_w
from pypy.module.cpyext.complexobject import (
PyComplex_FromDoubles, PyComplex_RealAsDouble, PyComplex_ImagAsDouble)
class TestComplexObject(BaseApiTest):
def test_complexobject(self, space):
w_value = PyComplex_FromDoubles(space, 1.2, 3.4)
assert space.unwrap(w_value) == 1.2+3.4j
assert PyComplex_RealAsDouble(space, w_value) == 1.2
assert PyComplex_ImagAsDouble(space, w_value) == 3.4
assert PyComplex_RealAsDouble(space, space.wrap(42)) == 42
assert PyComplex_RealAsDouble(space, space.wrap(1.5)) == 1.5
assert PyComplex_ImagAsDouble(space, space.wrap(1.5)) == 0.0
# cpython accepts anything for PyComplex_ImagAsDouble
assert PyComplex_ImagAsDouble(space, space.w_None) == 0.0
with raises_w(space, TypeError):
PyComplex_RealAsDouble(space, space.w_None)
class AppTestCComplex(AppTestCpythonExtensionBase):
def test_AsCComplex(self):
module = self.import_extension('foo', [
("as_tuple", "METH_O",
"""
Py_complex c = PyComplex_AsCComplex(args);
if (PyErr_Occurred()) return NULL;
return Py_BuildValue("dd", c.real, c.imag);
""")])
assert module.as_tuple(12-34j) == (12, -34)
assert module.as_tuple(-3.14) == (-3.14, 0.0)
raises(TypeError, module.as_tuple, "12")
def test_FromCComplex(self):
module = self.import_extension('foo', [
("test", "METH_NOARGS",
"""
Py_complex c = {1.2, 3.4};
return PyComplex_FromCComplex(c);
""")])
assert module.test() == 1.2 + 3.4j
def test_PyComplex_to_WComplex(self):
module = self.import_extension('foo', [
("test", "METH_NOARGS",
"""
Py_complex c = {1.2, 3.4};
PyObject *obj = PyObject_Malloc(sizeof(PyComplexObject));
obj = PyObject_Init(obj, &PyComplex_Type);
assert(obj != NULL);
((PyComplexObject *)obj)->cval = c;
return obj;
""")])
assert module.test() == 1.2 + 3.4j
def test_WComplex_to_PyComplex(self):
module = self.import_extension('foo', [
("test", "METH_O",
"""
Py_complex c = ((PyComplexObject *)args)->cval;
return Py_BuildValue("dd", c.real, c.imag);
""")])
assert module.test(1.2 + 3.4j) == (1.2, 3.4)
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