add regression coverage for perf issue

pygments · Dec 3, 2020 · 0372705 · 0372705
1 parent c88881c
commit 0372705
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/tests/test_markdown_lexer.py b/tests/test_markdown_lexer.py
@@ -634,3 +634,9 @@ def test_simple_text(lexer):
         (Token.Text, '\n'),
     ]
     assert list(lexer.get_tokens(fragment)) == tokens
+
+def test_long_line_perf(lexer):
+    fragment = "this is text "*1024*8
+    start_time = time.time()
+    assert all(x[0] == Token.Text for x in lexer.get_tokens(fragment))
+    assert time.time() - start_time < 1