test: add simple test

tests/test_2808_dtype_ufunc_bool.py

@@ -0,0 +1,39 @@
+# BSD 3-Clause License; see https://github.com/scikit-hep/awkward/blob/main/LICENSE
+
+from __future__ import annotations
+
+import numpy as np
+import packaging.version
+import pytest
+
+import awkward as ak
+
+if packaging.version.Version(np.__version__) < packaging.version.Version("1.24.0"):
+    pytest.skip(
+        "Only NumPy>=1.24 supports `resolve_dtypes`",
+    )
+
+
+def test_bool():
+    array = ak.Array([[True, False], [True, False, False]])
+    assert (array == False).to_list() == [[False, True], [False, True, True]]  # noqa: E712
+
+
+def test_int():
+    array = ak.Array([[1, 2], [3, 4, 5]])
+    assert (array == 2).to_list() == [[False, True], [False, False, False]]
+
+
+def test_float():
+    array = ak.Array([[1.0, 2.7], [2.0, 7.0, 8.8]])
+    assert (array == 1.0).to_list() == [[True, False], [False, False, False]]
+
+
+def test_complex():
+    array = ak.Array([[1.0j, 2.7], [2.0 + 1j, 7.0, 8.8]])
+    assert (array == 1.0j).to_list() == [[True, False], [False, False, False]]
+
+
+def test_datetime64():
+    array = ak.Array([[np.datetime64(1, "D"), np.datetime64(10, "D")]])
+    assert (array == np.datetime64(10, "D")).to_list() == [[False, True]]