# HG changeset patch
# User Amine Sehili <amine.sehili@gmail.com>
# Date 1550778797 -3600
# Node ID 81413c14c5bba48663b4be164a68615f8bcb015a
# Parent  2a1054f9d9f36591f83a4f1dfe02445830c689b1
Add tests for _extract_selected_channel with wrong use_channel value

diff -r 2a1054f9d9f3 -r 81413c14c5bb tests/test_io.py
--- a/tests/test_io.py	Wed Feb 20 21:17:21 2019 +0100
+++ b/tests/test_io.py	Thu Feb 21 20:53:17 2019 +0100
@@ -279,6 +279,11 @@
         selected_channel = _extract_selected_channel(data, channels, 2, "mix")
         self.assertEqual(selected_channel, expected)
 
+    @genty_dataset(positive=(2,), negative=(-3,))
+    def test_extract_selected_channel_invalid_use_channel(self, use_channel):
+        with self.assertRaises(AudioParameterError):
+            _extract_selected_channel(b"\0\0", 2, 2, use_channel)
+
     @genty_dataset(
         raw_with_audio_format=(
             "audio",