pypy/objspace/std/test/test_floatobject.py::AppTestFloatHex::()::test_division_edgecases

self = <CallInfo when='call' exception: assert <built-in function isnan>(0.0)
 +  where <built-in function isnan> = <built-in function isnan>
 +    where <built-in function isnan> = <module 'math' (built-in)>.isnan>
func = <function <lambda> at 0x000002503eb75cb8>, when = 'call'

    def __init__(self, func, when):
        #: context of invocation: one of "setup", "call",
        #: "teardown", "memocollect"
        self.when = when
        self.start = time()
        try:
>           self.result = func()

..\_pytest\runner.py:150: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

>   return CallInfo(lambda: ihook(item=item, **kwds), when=when)

..\_pytest\runner.py:138: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_HookCaller 'pytest_runtest_call'>
kwargs = {'__multicall__': <_MultiCall 0 results, 0 meths, kwargs={'item': <AppTestMethod 'test_division_edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>, 'item': <AppTestMethod 'test_division_edgecases'>}

    def __call__(self, **kwargs):
        assert not self.is_historic()
>       return self._hookexec(self, self._nonwrappers + self._wrappers, kwargs)

..\_pytest\vendored_packages\pluggy.py:724: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_pytest.config.PytestPluginManager object at 0x000002503a4cdd00>
hook = <_HookCaller 'pytest_runtest_call'>, methods = []
kwargs = {'__multicall__': <_MultiCall 0 results, 0 meths, kwargs={'item': <AppTestMethod 'test_division_edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>, 'item': <AppTestMethod 'test_division_edgecases'>}

    def _hookexec(self, hook, methods, kwargs):
        # called from all hookcaller instances.
        # enable_tracing will set its own wrapping function at self._inner_hookexec
>       return self._inner_hookexec(hook, methods, kwargs)

..\_pytest\vendored_packages\pluggy.py:338: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

hook = <_HookCaller 'pytest_runtest_call'>, methods = []
kwargs = {'__multicall__': <_MultiCall 0 results, 0 meths, kwargs={'item': <AppTestMethod 'test_division_edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>, 'item': <AppTestMethod 'test_division_edgecases'>}

    self._inner_hookexec = lambda hook, methods, kwargs: \
>       _MultiCall(methods, kwargs, hook.spec_opts).execute()

..\_pytest\vendored_packages\pluggy.py:333: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_MultiCall 0 results, 0 meths, kwargs={'item': <AppTestMethod 'test_division_edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>

    def execute(self):
        all_kwargs = self.kwargs
        self.results = results = []
        firstresult = self.specopts.get("firstresult")
    
        while self.hook_impls:
            hook_impl = self.hook_impls.pop()
            args = [all_kwargs[argname] for argname in hook_impl.argnames]
            if hook_impl.hookwrapper:
>               return _wrapped_call(hook_impl.function(*args), self.execute)

..\_pytest\vendored_packages\pluggy.py:595: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

wrap_controller = <generator object pytest_runtest_call at 0x000002503f6a8930>
func = <bound method _MultiCall.execute of <_MultiCall 0 results, 0 meths, kwargs={'i..._edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>>

    def _wrapped_call(wrap_controller, func):
        """ Wrap calling to a function with a generator which needs to yield
        exactly once.  The yield point will trigger calling the wrapped function
        and return its _CallOutcome to the yield point.  The generator then needs
        to finish (raise StopIteration) in order for the wrapped call to complete.
        """
        try:
            next(wrap_controller)   # first yield
        except StopIteration:
            _raise_wrapfail(wrap_controller, "did not yield")
        call_outcome = _CallOutcome(func)
        try:
            wrap_controller.send(call_outcome)
            _raise_wrapfail(wrap_controller, "has second yield")
        except StopIteration:
            pass
>       return call_outcome.get_result()

..\_pytest\vendored_packages\pluggy.py:253: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_pytest.vendored_packages.pluggy._CallOutcome instance at 0x000002503e6f90a0>

    def get_result(self):
        if self.excinfo is None:
            return self.result
        else:
            ex = self.excinfo
            if _py3:
                raise ex[1].with_traceback(ex[2])
>           _reraise(*ex)  # noqa

..\_pytest\vendored_packages\pluggy.py:279: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_pytest.vendored_packages.pluggy._CallOutcome instance at 0x000002503e6f90a0>
func = <bound method _MultiCall.execute of <_MultiCall 0 results, 0 meths, kwargs={'i..._edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>>

    def __init__(self, func):
        try:
>           self.result = func()

..\_pytest\vendored_packages\pluggy.py:264: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <_MultiCall 0 results, 0 meths, kwargs={'item': <AppTestMethod 'test_division_edgecases'>, '__multicall__': <_MultiCall 0 results, 0 meths, kwargs={...}>}>

    def execute(self):
        all_kwargs = self.kwargs
        self.results = results = []
        firstresult = self.specopts.get("firstresult")
    
        while self.hook_impls:
            hook_impl = self.hook_impls.pop()
            args = [all_kwargs[argname] for argname in hook_impl.argnames]
            if hook_impl.hookwrapper:
                return _wrapped_call(hook_impl.function(*args), self.execute)
>           res = hook_impl.function(*args)

..\_pytest\vendored_packages\pluggy.py:596: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

item = <AppTestMethod 'test_division_edgecases'>

    def pytest_runtest_call(item):
        try:
>           item.runtest()

..\_pytest\runner.py:91: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <AppTestMethod 'test_division_edgecases'>

    def runtest(self):
        target = self.obj
        if self.config.option.runappdirect:
>           return target()

tool\pytest\apptest.py:84: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

self = <pypy.objspace.std.test.test_floatobject.AppTestFloatHex instance at 0x000002503e6f9220>

    def test_division_edgecases(self):
        import math, os
    
        # inf
        inf = float("inf")
        assert math.isnan(inf % 3)
        assert math.isnan(inf // 3)
        x, y = divmod(inf, 3)
        assert math.isnan(x)
        assert math.isnan(y)
        x, y = divmod(3, inf)
        z = 3 % inf
        if os.name == 'nt':
>           assert math.isnan(x)
E           assert <built-in function isnan>(0.0)
E            +  where <built-in function isnan> = <built-in function isnan>
E            +    where <built-in function isnan> = <module 'math' (built-in)>.isnan

objspace\std\test\test_floatobject.py:838: AssertionError

builder: pypy-c-jit-win-x86-64 build #2372+

test: pypy/objspace/std/test/test_floatobject.py::AppTestFloatHex::()::test_division_edgecases