diff --git a/tests/test_extended_conversions.cpp b/tests/test_extended_conversions.cpp
index f9653b2..428f477 100644
--- a/tests/test_extended_conversions.cpp
+++ b/tests/test_extended_conversions.cpp
@@ -47,8 +47,6 @@ struct qux
 
 struct foobar
 {
-    foobar() = default; // later we use std::vector<foobar>, default ctor is required.
-
     // via constructor
     explicit foobar(const toml::value& v)
         : a(toml::find<int>(v, "a")), b(toml::find<std::string>(v, "b"))
@@ -137,8 +135,6 @@ struct qux
 
 struct foobar
 {
-    foobar() = default; // later we use std::vector<foobar>, default ctor is required.
-
     template<typename C, template<typename ...> class M, template<typename ...> class A>
     explicit foobar(const toml::basic_value<C, M, A>& v)
         : a(toml::find<int>(v, "a")), b(toml::find<std::string>(v, "b"))
@@ -488,5 +484,64 @@ BOOST_AUTO_TEST_CASE(test_recursive_conversion)
         BOOST_TEST(foobars.at(2).b == "quux");
         BOOST_TEST(foobars.at(3).b == "foobar");
     }
+
+    // via constructor
+    {
+        const toml::value v{
+                {"0", toml::table{{"a", 42}, {"b", "baz"}}},
+                {"1", toml::table{{"a", 43}, {"b", "qux"}}},
+                {"2", toml::table{{"a", 44}, {"b", "quux"}}},
+                {"3", toml::table{{"a", 45}, {"b", "foobar"}}}
+            };
+
+        {
+            const auto foobars = toml::get<std::map<std::string, extlib::foobar>>(v);
+            BOOST_TEST(foobars.size()  == 4ul);
+            BOOST_TEST(foobars.at("0").a == 42);
+            BOOST_TEST(foobars.at("1").a == 43);
+            BOOST_TEST(foobars.at("2").a == 44);
+            BOOST_TEST(foobars.at("3").a == 45);
+
+            BOOST_TEST(foobars.at("0").b == "baz");
+            BOOST_TEST(foobars.at("1").b == "qux");
+            BOOST_TEST(foobars.at("2").b == "quux");
+            BOOST_TEST(foobars.at("3").b == "foobar");
+        }
+        {
+            const auto foobars = toml::get<std::map<std::string, extlib2::foobar>>(v);
+            BOOST_TEST(foobars.size()  == 4ul);
+            BOOST_TEST(foobars.at("0").a == 42);
+            BOOST_TEST(foobars.at("1").a == 43);
+            BOOST_TEST(foobars.at("2").a == 44);
+            BOOST_TEST(foobars.at("3").a == 45);
+
+            BOOST_TEST(foobars.at("0").b == "baz");
+            BOOST_TEST(foobars.at("1").b == "qux");
+            BOOST_TEST(foobars.at("2").b == "quux");
+            BOOST_TEST(foobars.at("3").b == "foobar");
+        }
+    }
+    {
+        const toml::basic_value<toml::discard_comments, std::map, std::deque>
+            v{
+                {"0", toml::table{{"a", 42}, {"b", "baz"}}},
+                {"1", toml::table{{"a", 43}, {"b", "qux"}}},
+                {"2", toml::table{{"a", 44}, {"b", "quux"}}},
+                {"3", toml::table{{"a", 45}, {"b", "foobar"}}}
+            };
+
+        const auto foobars = toml::get<std::map<std::string, extlib::foobar>>(v);
+        BOOST_TEST(foobars.size()  == 4ul);
+        BOOST_TEST(foobars.at("0").a == 42);
+        BOOST_TEST(foobars.at("1").a == 43);
+        BOOST_TEST(foobars.at("2").a == 44);
+        BOOST_TEST(foobars.at("3").a == 45);
+
+        BOOST_TEST(foobars.at("0").b == "baz");
+        BOOST_TEST(foobars.at("1").b == "qux");
+        BOOST_TEST(foobars.at("2").b == "quux");
+        BOOST_TEST(foobars.at("3").b == "foobar");
+    }
+
 }