Merge pull request #372 from ev-br/count_nonzero_tuples

ENH: test count_nonzero with tuple axes

Author: ev-br

array_api_tests/test_searching_functions.py

@@ -1,7 +1,7 @@
 import math
 
 import pytest
-from hypothesis import given, note
+from hypothesis import given, note, assume
 from hypothesis import strategies as st
 
 from . import _array_module as xp
@@ -106,13 +106,15 @@ def test_argmin(x, data):
 def test_count_nonzero(x, data):
     kw = data.draw(
         hh.kwargs(
-            axis=st.none() | st.integers(-x.ndim, max(x.ndim - 1, 0)),
+            axis=hh.axes(x.ndim),
             keepdims=st.booleans(),
         ),
         label="kw",
     )
     keepdims = kw.get("keepdims", False)
 
+    assume(kw.get("axis", None) != ())  # TODO clarify in the spec
+
     out = xp.count_nonzero(x, **kw)
 
     ph.assert_default_index("count_nonzero", out.dtype)