diff --git a/tests/core/matrix.rs b/tests/core/matrix.rs
index 7befd351..60007846 100644
--- a/tests/core/matrix.rs
+++ b/tests/core/matrix.rs
@@ -1108,3 +1108,30 @@ fn partial_eq_different_types() {
     // assert_ne!(static_mat, typenum_static_mat);
     //assert_ne!(typenum_static_mat, static_mat);
 }
+
+
+
+fn generic_omatrix_to_string<D>(
+    vector: &nalgebra::OVector<f64, D>,
+    matrix: &nalgebra::OMatrix<f64, D, D>) -> (String, String)
+where
+    D: nalgebra::Dim,
+    nalgebra::DefaultAllocator: nalgebra::base::allocator::Allocator<f64, D>,
+    nalgebra::DefaultAllocator: nalgebra::base::allocator::Allocator<f64, D, D>,
+{
+    (vector.to_string(), matrix.to_string())
+}
+
+#[test]
+fn omatrix_to_string() {
+    let dvec: nalgebra::DVector<f64> = nalgebra::dvector![1.0, 2.0];
+    let dmatr: nalgebra::DMatrix<f64> = nalgebra::dmatrix![1.0, 2.0; 3.0, 4.0];
+    let svec: nalgebra::SVector<f64, 2> = nalgebra::vector![1.0, 2.0];
+    let smatr: nalgebra::SMatrix<f64, 2, 2> = nalgebra::matrix![1.0, 2.0; 3.0, 4.0];
+    assert_eq!(
+        generic_omatrix_to_string(&dvec, &dmatr),
+        (dvec.to_string(), dmatr.to_string()));
+    assert_eq!(
+        generic_omatrix_to_string(&svec, &smatr),
+        (svec.to_string(), smatr.to_string()));
+}