diff --git a/test/src/unit-constructor1.cpp b/test/src/unit-constructor1.cpp
index 6bba7019c..b3354b58f 100644
--- a/test/src/unit-constructor1.cpp
+++ b/test/src/unit-constructor1.cpp
@@ -699,6 +699,15 @@ TEST_CASE("constructors")
             json j(n);
             CHECK(j.type() == json::value_t::number_float);
         }
+
+        SECTION("infinity")
+        {
+            // infinity is stored as null
+            // should change in the future: https://github.com/nlohmann/json/issues/388
+            json::number_float_t n(std::numeric_limits<json::number_float_t>::infinity());
+            json j(n);
+            CHECK(j.type() == json::value_t::null);
+        }
     }
 
     SECTION("create a floating-point number (implicit)")
diff --git a/test/src/unit-conversions.cpp b/test/src/unit-conversions.cpp
index 106e37de4..e4545fbe7 100644
--- a/test/src/unit-conversions.cpp
+++ b/test/src/unit-conversions.cpp
@@ -182,6 +182,10 @@ TEST_CASE("value conversion")
                 std::vector<float> v;
                 CHECK_THROWS_AS(nlohmann::from_json(j, v), std::logic_error);
                 CHECK(v.capacity() == j.size());
+
+                // make sure all values are properly copied
+                std::vector<int> v2 = json({1, 2, 3, 4, 5, 6, 7, 8, 9, 10});
+                CHECK(v2.size() == 10);
             }
 #endif
         }
diff --git a/test/src/unit-regression.cpp b/test/src/unit-regression.cpp
index 83bb371ac..7980371bc 100644
--- a/test/src/unit-regression.cpp
+++ b/test/src/unit-regression.cpp
@@ -63,7 +63,7 @@ TEST_CASE("regression tests")
 
     SECTION("pull request #71 - handle enum type")
     {
-        enum { t = 0, u = 1};
+        enum { t = 0, u = 102};
         json j = json::array();
         j.push_back(t);
 
@@ -73,6 +73,9 @@ TEST_CASE("regression tests")
         auto anon_enum_value = j2.get<decltype(u)>();
         CHECK(u == anon_enum_value);
 
+        // check if the actual value was stored
+        CHECK(j2 == 102);
+
         static_assert(std::is_same<decltype(anon_enum_value), decltype(u)>::value, "");
 
         j.push_back(json::object(