TST: string representation of IntervalIndex (pandas-dev#38242)

Author: arw2019

pandas/tests/indexes/interval/test_formats.py

@@ -1,7 +1,15 @@
 import numpy as np
 import pytest
 
-from pandas import DataFrame, IntervalIndex, Series, Timedelta, Timestamp
+from pandas import (
+    DataFrame,
+    Float64Index,
+    Interval,
+    IntervalIndex,
+    Series,
+    Timedelta,
+    Timestamp,
+)
 import pandas._testing as tm
 
 
@@ -37,6 +45,25 @@ def test_repr_missing(self, constructor, expected):
         result = repr(obj)
         assert result == expected
 
+    def test_repr_floats(self):
+        # GH 32553
+
+        markers = Series(
+            ["foo", "bar"],
+            index=IntervalIndex(
+                [
+                    Interval(left, right)
+                    for left, right in zip(
+                        Float64Index([329.973, 345.137], dtype="float64"),
+                        Float64Index([345.137, 360.191], dtype="float64"),
+                    )
+                ]
+            ),
+        )
+        result = str(markers)
+        expected = "(329.973, 345.137]    foo\n(345.137, 360.191]    bar\ndtype: object"
+        assert result == expected
+
     @pytest.mark.parametrize(
         "tuples, closed, expected_data",
         [