From bd88c60edeb18e3b21a7b437738cda8831ea55f9 Mon Sep 17 00:00:00 2001 From: Joris Van den Bossche Date: Sat, 26 Nov 2016 12:41:00 +0100 Subject: [PATCH] TST: add test to confirm GH14606 (specify category dtype for empty) Issue #14606 was fixed by PR #14717, adding one more specific test to confirm this --- pandas/io/tests/parser/dtypes.py | 3 +++ 1 file changed, 3 insertions(+) diff --git a/pandas/io/tests/parser/dtypes.py b/pandas/io/tests/parser/dtypes.py index 18c37b31f6480..b9ab79c3b9d54 100644 --- a/pandas/io/tests/parser/dtypes.py +++ b/pandas/io/tests/parser/dtypes.py @@ -241,6 +241,9 @@ def test_empty_dtype(self): result = self.read_csv(StringIO(data), header=0, dtype='category') tm.assert_frame_equal(result, expected) + result = self.read_csv(StringIO(data), header=0, + dtype={'a': 'category', 'b': 'category'}) + tm.assert_frame_equal(result, expected) expected = pd.DataFrame(columns=['a', 'b'], dtype='datetime64[ns]') result = self.read_csv(StringIO(data), header=0,