add a test case

diff --git a/test/testc.c b/test/testc.c
index 66a6955f7d60534ccb838148d3768e891b61e1ce..222c9cd1a2bd3b54ca14ed031dd011c224204aa0 100644 (file)
--- a/test/testc.c
+++ b/test/testc.c
@@ -660,6 +660,7 @@ extern int main(int argc, char* argv[])
   n("(?~|c|a*+)a", "aaaaa");
   x2("(?~|aaaaa|a*+)", "aaaaa", 0, 0);
   x2("(?~|aaaaaa|a*+)b", "aaaaaab", 1, 7);
+  x2("(?~|abcd|(?>))", "zzzabcd", 0, 0);
 
   // absent range cutter
   x2("(?~|abc)a*", "aaaaaabc", 0, 5);