diff --git a/tests/test_html_text.py b/tests/test_html_text.py
index 47384b0..0f1562f 100644
--- a/tests/test_html_text.py
+++ b/tests/test_html_text.py
@@ -49,6 +49,10 @@ def test_empty(all_options):
assert extract_text(None, **all_options) == ''
+def test_comment(all_options):
+ assert extract_text(u"", **all_options) == ''
+
+
def test_extract_text_from_tree(all_options):
html = (u''
'Hello, world!')