DEP: Forbid passing non-integral index arrays to `insert` and `delete`

This expires a deprecation warning from back in 1.9.

1 files changed, 12 insertions, 0 deletions

diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py
index 860cf452b..a5988a719 100644
--- a/numpy/lib/tests/test_function_base.py
+++ b/numpy/lib/tests/test_function_base.py
@@ -544,6 +544,12 @@ class TestInsert:
         b = np.insert(a, [0, 2], val)
         assert_array_equal(b[[0, 3]], np.array(val, dtype=b.dtype))
 
+    def test_index_floats(self):
+        with pytest.raises(IndexError):
+            np.insert([0, 1, 2], np.array([1.0, 2.0]), [10, 20])
+        with pytest.raises(IndexError):
+            np.insert([0, 1, 2], np.array([], dtype=float), [])
+
 
 class TestAmax:
 
@@ -868,6 +874,12 @@ class TestDelete:
         assert_equal(m.flags.c_contiguous, k.flags.c_contiguous)
         assert_equal(m.flags.f_contiguous, k.flags.f_contiguous)
 
+    def test_index_floats(self):
+        with pytest.raises(IndexError):
+            np.delete([0, 1, 2], np.array([1.0, 2.0]))
+        with pytest.raises(IndexError):
+            np.delete([0, 1, 2], np.array([], dtype=float))
+
 
 class TestGradient: