From c3c0ced2ce0f10da42f02e5111b93bfcaff12b92 Mon Sep 17 00:00:00 2001
From: joamag <joamag@gmail.com>
Date: Wed, 24 Feb 2016 21:52:35 +0000
Subject: [PATCH] new unit testing

---
 src/admin_scripts/test/stylesheets.py | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/admin_scripts/test/stylesheets.py b/src/admin_scripts/test/stylesheets.py
index fd4509b..bf61d8b 100644
--- a/src/admin_scripts/test/stylesheets.py
+++ b/src/admin_scripts/test/stylesheets.py
@@ -123,3 +123,16 @@ def test_sub_rules(self):
         result.seek(0)
         result = result.read()
         self.assertEqual(result, expected)
+
+    def test_at_rules(self):
+        input = b"""@charset "utf-8";"""
+        expected = """@charset "utf-8";
+"""
+        buffer = legacy.BytesIO(input)
+        result = stylesheets.cleanup_properties(
+            buffer,
+            windows_newline = False
+        )
+        result.seek(0)
+        result = result.read()
+        self.assertEqual(result, expected)