From 2d08822f07847039b696ec4fb3d594e4c7b20847 Mon Sep 17 00:00:00 2001
From: "K.Kosako" <kkosako0@gmail.com>
Date: Wed, 3 Apr 2024 21:34:32 +0900
Subject: add some test cases for #293

---
 test/test_syntax.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/test/test_syntax.c b/test/test_syntax.c
index bbf0100..f54c8bf 100644
--- a/test/test_syntax.c
+++ b/test/test_syntax.c
@@ -343,6 +343,18 @@ extern int main(int argc, char* argv[])
   x2("*", "*", 0, 1);
   x2("^*", "*", 0, 1);
   x2("abc\\|?", "?", 0, 1);
+  x2("\\{1\\}", "{1}", 0, 3);
+  x2("^\\{1\\}", "{1}", 0, 3);
+  x2("\\(\\{1\\}\\)", "{1}", 0, 3);
+  x2("^\\(\\{1\\}\\)", "{1}", 0, 3);
+  x2("{1}", "{1}", 0, 3);
+  x2("^{1}", "{1}", 0, 3);
+  x2("\\({1}\\)", "{1}", 0, 3);
+  x2("^\\({1}\\)", "{1}", 0, 3);
+  x2("{1,2}", "{1,2}", 0, 5);
+  x2("^{1,2}", "{1,2}", 0, 5);
+  x2("\\({1,2}\\)", "{1,2}", 0, 5);
+  x2("^\\({1,2}\\)", "{1,2}", 0, 5);
 
   Syntax = ONIG_SYNTAX_PERL_NG;
 
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