From 604fe1808eeb14b8be61e6974a0d9959fd6dd9fa Mon Sep 17 00:00:00 2001
From: yhirose <yuji.hirose.bug@gmail.com>
Date: Sun, 31 Jul 2022 08:17:15 -0400
Subject: [PATCH] Added a unit test

---
 test/test1.cc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/test/test1.cc b/test/test1.cc
index 9a761c8..77404c0 100644
--- a/test/test1.cc
+++ b/test/test1.cc
@@ -1027,3 +1027,17 @@ TEST(GeneralTest, DisableEndOfInputCheckTest) {
   EXPECT_TRUE(ret);
 }
 
+TEST(GeneralTest, InvalidCutOperator) {
+  auto parser = peg::parser(R"(
+    S <- 'a' ↑ 'b'
+	)");
+
+  auto ret = parser.parse("ab");
+  EXPECT_TRUE(ret);
+
+  ret = parser.parse("ac");
+  EXPECT_FALSE(ret);
+
+  ret = parser.parse("b");
+  EXPECT_FALSE(ret);
+}