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from pypy.module.cpyext.test.test_cpyext import AppTestCpythonExtensionBase
class AppTestMisc(AppTestCpythonExtensionBase):
def test_pyos_inputhook(self):
module = self.import_extension('foo', [
("set_pyos_inputhook", "METH_NOARGS",
'''
PyOS_InputHook = &my_callback;
Py_RETURN_NONE;
'''),
("fetch_value", "METH_NOARGS",
'''
return PyLong_FromLong(my_flag);
'''),
], prologue='''
static long my_flag = 0;
static int my_callback(void) { return ++my_flag; }
''')
try:
import __pypy__
except ImportError:
skip("only runs on top of pypy")
assert module.fetch_value() == 0
__pypy__.pyos_inputhook()
assert module.fetch_value() == 0
module.set_pyos_inputhook() # <= set
assert module.fetch_value() == 0
__pypy__.pyos_inputhook()
assert module.fetch_value() == 1
__pypy__.pyos_inputhook()
assert module.fetch_value() == 2
assert module.fetch_value() == 2
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