add CVE-2022-39209 repro to pathological_tests

Author: QuietMisdreavus

test/pathological_tests.py

@@ -90,6 +90,9 @@ def badhash(ref):
     "tables":
                  ("aaa\rbbb\n-\v\n" * 30000,
                   re.compile("^<p>aaa</p>\n<table>\n<thead>\n<tr>\n<th>bbb</th>\n</tr>\n</thead>\n<tbody>\n(<tr>\n<td>aaa</td>\n</tr>\n<tr>\n<td>bbb</td>\n</tr>\n<tr>\n<td>-\x0b</td>\n</tr>\n){29999}</tbody>\n</table>\n$")),
+    "many image openers":
+                 ("![p"*100000 + "\n",
+                  re.compile("<p>(!\[p){100000}</p>")),
 #    "many references":
 #                 ("".join(map(lambda x: ("[" + str(x) + "]: u\n"), range(1,5000 * 16))) + "[0] " * 5000,
 #                  re.compile("(\[0\] ){4999}")),
@@ -109,7 +112,7 @@ def run_test(inp, regex):
     parser.add_argument('--library-dir', dest='library_dir', nargs='?',
             default=None, help='directory containing dynamic library')
     args = parser.parse_args(sys.argv[1:])
-    cmark = CMark(prog=args.program, library_dir=args.library_dir, extensions="table")
+    cmark = CMark(prog=args.program, library_dir=args.library_dir, extensions="table autolink")
 
     [rc, actual, err] = cmark.to_html(inp)
     if rc != 0: