diff --git a/autoware_lanelet2_extension/test/src/test_utilities.cpp b/autoware_lanelet2_extension/test/src/test_utilities.cpp
index 9e35506..f1777bd 100644
--- a/autoware_lanelet2_extension/test/src/test_utilities.cpp
+++ b/autoware_lanelet2_extension/test/src/test_utilities.cpp
@@ -159,6 +159,15 @@ TEST_F(TestSuite, OverwriteLaneletsCenterline)  // NOLINT for gtest
   }
 }
 
+TEST_F(TestSuite, GetLaneletLength)  // NOLINT for gtest
+{
+  double length_2d = lanelet::utils::getLaneletLength2d(road_lanelet);
+  double length_3d = lanelet::utils::getLaneletLength3d(road_lanelet);
+
+  EXPECT_DOUBLE_EQ(length_2d, 1.0);
+  EXPECT_DOUBLE_EQ(length_3d, 1.0);
+}
+
 /*
 TEST(Utilities, copyZ)  // NOLINT for gtest
 {