summaryrefslogtreecommitdiffstats
path: root/Lib/test
diff options
context:
space:
mode:
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_statistics.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_statistics.py b/Lib/test/test_statistics.py
index 3d30d88..6db821f 100644
--- a/Lib/test/test_statistics.py
+++ b/Lib/test/test_statistics.py
@@ -1355,6 +1355,14 @@ class TestMode(NumericTestCase, AverageMixin, UnivariateTypeMixin):
# collections.Counter, which accepts None and returns an empty dict.
self.assertRaises(TypeError, self.func, None)
+ def test_counter_data(self):
+ # Test that a Counter is treated like any other iterable.
+ data = collections.Counter([1, 1, 1, 2])
+ # Since the keys of the counter are treated as data points, not the
+ # counts, this should raise.
+ self.assertRaises(statistics.StatisticsError, self.func, data)
+
+
# === Tests for variances and standard deviations ===