diff --git a/xo-arena/utest/DArenaVector.test.cpp b/xo-arena/utest/DArenaVector.test.cpp
index 684e920c..dc6a32c9 100644
--- a/xo-arena/utest/DArenaVector.test.cpp
+++ b/xo-arena/utest/DArenaVector.test.cpp
@@ -20,6 +20,54 @@ namespace xo {
 
             REQUIRE(arenavec.empty());
         }
+
+        TEST_CASE("DArenaVector-push_back-rvalue", "[arena][DArenaVector]")
+        {
+            ArenaConfig cfg { .name_ = "testarena",
+                              .size_ = 4096 };
+            DArenaVector<double> vec = DArenaVector<double>::map(cfg);
+
+            REQUIRE(vec.empty());
+            REQUIRE(vec.size() == 0);
+
+            vec.push_back(1.5);
+
+            REQUIRE(!vec.empty());
+            REQUIRE(vec.size() == 1);
+            REQUIRE(vec[0] == 1.5);
+
+            vec.push_back(2.5);
+            vec.push_back(3.5);
+
+            REQUIRE(vec.size() == 3);
+            REQUIRE(vec[0] == 1.5);
+            REQUIRE(vec[1] == 2.5);
+            REQUIRE(vec[2] == 3.5);
+        }
+
+        TEST_CASE("DArenaVector-push_back-lvalue", "[arena][DArenaVector]")
+        {
+            ArenaConfig cfg { .name_ = "testarena",
+                              .size_ = 4096 };
+            DArenaVector<double> vec = DArenaVector<double>::map(cfg);
+
+            double a = 10.0;
+            double b = 20.0;
+            double c = 30.0;
+
+            vec.push_back(a);
+
+            REQUIRE(vec.size() == 1);
+            REQUIRE(vec[0] == 10.0);
+
+            vec.push_back(b);
+            vec.push_back(c);
+
+            REQUIRE(vec.size() == 3);
+            REQUIRE(vec[0] == 10.0);
+            REQUIRE(vec[1] == 20.0);
+            REQUIRE(vec[2] == 30.0);
+        }
     }
 }