reconnect moved files to git repo

venv/lib/python3.11/site-packages/statsmodels/compat/tests/test_pandas.py

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+from statsmodels.compat.pandas import PD_LT_1_4, is_float_index, is_int_index
+
+import numpy as np
+import pandas as pd
+import pytest
+
+
+@pytest.mark.parametrize("int_type", ["u", "i"])
+@pytest.mark.parametrize("int_size", [1, 2, 4, 8])
+def test_is_int_index(int_type, int_size):
+    index = pd.Index(np.arange(100), dtype=f"{int_type}{int_size}")
+    assert is_int_index(index)
+    assert not is_float_index(index)
+
+
+@pytest.mark.parametrize("float_size", [4, 8])
+def test_is_float_index(float_size):
+    index = pd.Index(np.arange(100.0), dtype=f"f{float_size}")
+    assert is_float_index(index)
+    assert not is_int_index(index)
+
+
+@pytest.mark.skipif(not PD_LT_1_4, reason="Requires U/Int64Index")
+def test_legacy_int_index():
+    from pandas import Int64Index, UInt64Index
+
+    index = Int64Index(np.arange(100))
+    assert is_int_index(index)
+    assert not is_float_index(index)
+
+    index = UInt64Index(np.arange(100))
+    assert is_int_index(index)
+    assert not is_float_index(index)
+
+
+@pytest.mark.skipif(not PD_LT_1_4, reason="Requires Float64Index")
+def test_legacy_float_index():
+    from pandas import Float64Index
+
+    index = Float64Index(np.arange(100))
+    assert not is_int_index(index)
+    assert is_float_index(index)