From c0e5b4fe4ccd1d454f9f7290128d1194d3053d28 Mon Sep 17 00:00:00 2001
From: gfyoung <gfyoung17@gmail.com>
Date: Sun, 16 Jul 2017 08:31:12 -0700
Subject: [PATCH] TST: Add test for sub-char in read_csv (#16977)

Closes gh-16893.
---
 pandas/tests/io/parser/common.py         | 10 ++++++++++
 pandas/tests/io/parser/data/sub_char.csv |  2 ++
 2 files changed, 12 insertions(+)
 create mode 100644 pandas/tests/io/parser/data/sub_char.csv

diff --git a/pandas/tests/io/parser/common.py b/pandas/tests/io/parser/common.py
index 584a6561b505b3..4d1f9936af9833 100644
--- a/pandas/tests/io/parser/common.py
+++ b/pandas/tests/io/parser/common.py
@@ -1677,6 +1677,16 @@ def test_internal_eof_byte_to_file(self):
             result = self.read_csv(path)
             tm.assert_frame_equal(result, expected)
 
+    def test_sub_character(self):
+        # see gh-16893
+        dirpath = tm.get_data_path()
+        filename = os.path.join(dirpath, "sub_char.csv")
+
+        expected = DataFrame([[1, 2, 3]], columns=["a", "\x1ab", "c"])
+        result = self.read_csv(filename)
+
+        tm.assert_frame_equal(result, expected)
+
     def test_file_handles(self):
         # GH 14418 - don't close user provided file handles
 
diff --git a/pandas/tests/io/parser/data/sub_char.csv b/pandas/tests/io/parser/data/sub_char.csv
new file mode 100644
index 00000000000000..ff1fa777832c73
--- /dev/null
+++ b/pandas/tests/io/parser/data/sub_char.csv
@@ -0,0 +1,2 @@
+a,"b",c
+1,2,3
\ No newline at end of file