diff --git a/test/const_vector/const_vector_constructor.test.cpp b/test/const_vector/const_vector_constructor.test.cpp
index a4b5502..268ec99 100644
--- a/test/const_vector/const_vector_constructor.test.cpp
+++ b/test/const_vector/const_vector_constructor.test.cpp
@@ -1189,11 +1189,15 @@ constexpr test_suite tests = define_tests("Tests")
 
 			REPEAT_FOR_TYPES_N(([]<typename T, std::size_t N>() constexpr {
 
-				cc::const_vector v1(test_defs::get<T>::template arr<1>);
-				cc::const_vector v2(test_defs::get<T>::template arr<2>);
-				cc::const_vector<T, test_defs::get<T>::template capacity<1>()> v3;
+				cc::const_vector<T, test_defs::get<T>::template il_len<N>()> v1;
+				cc::const_vector<T, test_defs::get<T>::template il_len<N>() - 1> v2;
 
+				v1.assign(test_defs::get<T>::template i_list<N>);
 
+				ASSERT_TYPE_NUM_VEC_ARR_EQ(v1, test_defs::get<T>::template i_list<N>, T, N);
+				ASSERT_TYPE_NUM(v1.size() == test_defs::get<T>::template il_len<N>(), T, N);
+
+				ASSERT_TYPE_NUM_THROWS(v2.assign(test_defs::get<T>::template i_list<N>), std::invalid_argument, T, N);
 
 				return TEST_PASS();
 			}), 2, int, char, const char *, TestStruct);