diff --git a/tests/test_value.cpp b/tests/test_value.cpp
index c2f02db..927decf 100644
--- a/tests/test_value.cpp
+++ b/tests/test_value.cpp
@@ -966,3 +966,54 @@ BOOST_AUTO_TEST_CASE(test_value_bracket)
         BOOST_CHECK_THROW(v1["foo"], toml::type_error);
     }
 }
+
+BOOST_AUTO_TEST_CASE(test_value_map_methods)
+{
+    {
+        toml::value v1{{"foo", 42}, {"bar", 3.14}, {"baz", "qux"}};
+
+        BOOST_TEST(v1.count("foo") == 1u);
+        BOOST_TEST(v1.count("bar") == 1u);
+        BOOST_TEST(v1.count("baz") == 1u);
+        BOOST_TEST(v1.count("qux") == 0u);
+
+        BOOST_TEST( v1.contains("foo"));
+        BOOST_TEST( v1.contains("bar"));
+        BOOST_TEST( v1.contains("baz"));
+        BOOST_TEST(!v1.contains("qux"));
+
+        BOOST_TEST(v1.size() == 3);
+
+        v1["qux"] = 54;
+        BOOST_TEST(v1.count("qux") == 1u);
+        BOOST_TEST(v1.contains("qux"));
+        BOOST_TEST(v1.size() == 4);
+    }
+    {
+        toml::value v1(42);
+        BOOST_CHECK_THROW(v1.size()       , toml::type_error);
+        BOOST_CHECK_THROW(v1.count("k")   , toml::type_error);
+        BOOST_CHECK_THROW(v1.contains("k"), toml::type_error);
+    }
+}
+
+BOOST_AUTO_TEST_CASE(test_value_vector_methods)
+{
+    {
+        toml::value v1{1, 2, 3, 4, 5};
+
+        BOOST_TEST(v1.size() == 5);
+
+        v1.push_back(6);
+        BOOST_TEST(v1.size() == 6);
+
+        v1.emplace_back(6);
+        BOOST_TEST(v1.size() == 7);
+    }
+    {
+        toml::value v1(42);
+        BOOST_CHECK_THROW(v1.size(),          toml::type_error);
+        BOOST_CHECK_THROW(v1.push_back(1),    toml::type_error);
+        BOOST_CHECK_THROW(v1.emplace_back(1), toml::type_error);
+    }
+}