TST: Added more tests for datetime array construction.

1 files changed, 25 insertions, 0 deletions

diff --git a/numpy/core/tests/test_datetime.py b/numpy/core/tests/test_datetime.py
index ea03ab9b3..2770364f0 100644
--- a/numpy/core/tests/test_datetime.py
+++ b/numpy/core/tests/test_datetime.py
@@ -174,6 +174,31 @@ class TestDateTime(TestCase):
         arr = np.array([dt])
         assert_equal(arr.dtype, np.dtype('M8[M]'))
 
+        # at the moment, we don't automatically convert these to datetime64
+
+        dt = datetime.date(1970, 1, 1)
+        arr = np.array([dt])
+        assert_equal(arr.dtype, np.dtype('O'))
+
+        dt = datetime.datetime(1970, 1, 1, 12, 30, 40)
+        arr = np.array([dt])
+        assert_equal(arr.dtype, np.dtype('O'))
+
+        # find "supertype" for non-dates and dates
+
+        b = np.bool_(True)
+        dt = np.datetime64('1970-01-01', 'M')
+        arr = np.array([b, dt])
+        assert_equal(arr.dtype, np.dtype('O'))
+
+        dt = datetime.date(1970, 1, 1)
+        arr = np.array([b, dt])
+        assert_equal(arr.dtype, np.dtype('O'))
+
+        dt = datetime.datetime(1970, 1, 1, 12, 30, 40)
+        arr = np.array([b, dt])
+        assert_equal(arr.dtype, np.dtype('O'))
+
     def test_timedelta_scalar_construction(self):
         # Construct with different units
         assert_equal(np.timedelta64(7, 'D'),