add tests/test_1229_const_in_typename.py

tests/test_1229_const_in_typename.py

@@ -0,0 +1,22 @@
+# BSD 3-Clause License; see https://github.com/scikit-hep/uproot5/blob/main/LICENSE
+
+import pytest
+import skhep_testdata
+
+import uproot
+
+
+@pytest.fixture(scope="module")
+def datafile(tmpdir_factory):
+    yield skhep_testdata.data_path("uproot-issue-1229.root")
+
+
+@pytest.fixture
+def tree(datafile):
+    with uproot.open(datafile) as f:
+        yield f["tree"]
+
+
+def test_const_in_typename(tree):
+    assert tree["branch/pointer"].typename == 'TFooMember*'
+    assert tree["branch/const_pointer"].typename == 'TFooMember*'