diff options
Diffstat (limited to 'numpy/core/tests/test_regression.py')
| -rw-r--r-- | numpy/core/tests/test_regression.py | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/numpy/core/tests/test_regression.py b/numpy/core/tests/test_regression.py index 2421a1161..472a83696 100644 --- a/numpy/core/tests/test_regression.py +++ b/numpy/core/tests/test_regression.py @@ -46,7 +46,7 @@ class TestRegression(object): assert_array_equal(a, b) def test_typeNA(self): - # Issue gh-515 + # Issue gh-515 with suppress_warnings() as sup: sup.filter(np.VisibleDeprecationWarning) assert_equal(np.typeNA[np.int64], 'Int64') @@ -2411,7 +2411,41 @@ class TestRegression(object): if HAS_REFCOUNT: assert_(base <= sys.getrefcount(s)) + @pytest.mark.parametrize('val', [ + # arrays and scalars + np.ones((10, 10), dtype='int32'), + np.uint64(10), + ]) + @pytest.mark.parametrize('protocol', + range(2, pickle.HIGHEST_PROTOCOL + 1) + ) + def test_pickle_module(self, protocol, val): + # gh-12837 + s = pickle.dumps(val, protocol) + assert b'_multiarray_umath' not in s + if protocol == 5 and len(val.shape) > 0: + # unpickling ndarray goes through _frombuffer for protocol 5 + assert b'numpy.core.numeric' in s + else: + assert b'numpy.core.multiarray' in s + def test_object_casting_errors(self): # gh-11993 arr = np.array(['AAAAA', 18465886.0, 18465886.0], dtype=object) assert_raises(TypeError, arr.astype, 'c8') + + def test_eff1d_casting(self): + # gh-12711 + x = np.array([1, 2, 4, 7, 0], dtype=np.int16) + res = np.ediff1d(x, to_begin=-99, to_end=np.array([88, 99])) + assert_equal(res, [-99, 1, 2, 3, -7, 88, 99]) + assert_raises(ValueError, np.ediff1d, x, to_begin=(1<<20)) + assert_raises(ValueError, np.ediff1d, x, to_end=(1<<20)) + + def test_pickle_datetime64_array(self): + # gh-12745 (would fail with pickle5 installed) + d = np.datetime64('2015-07-04 12:59:59.50', 'ns') + arr = np.array([d]) + for proto in range(2, pickle.HIGHEST_PROTOCOL + 1): + dumped = pickle.dumps(arr, protocol=proto) + assert_equal(pickle.loads(dumped), arr) |