Improve test Lode deriv

cpmech · Jun 27, 2023 · 7f67278 · 7f67278
1 parent a32ed25
commit 7f67278
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/russell_tensor/src/high_order_derivatives.rs b/russell_tensor/src/high_order_derivatives.rs
@@ -885,6 +885,10 @@ mod tests {
             deriv2_invariant_jj3(&mut d2, &mut s, &sigma).err(),
             Some("'sigma' tensor must be Symmetric or Symmetric2D")
         );
+        assert_eq!(
+            deriv2_invariant_lode(&mut d2, &mut s, &sigma).err(),
+            Some("'sigma' tensor must be Symmetric or Symmetric2D")
+        );
         let sigma = Tensor2::new(Mandel::Symmetric2D);
         let mut d2 = Tensor4::new(Mandel::Symmetric2D);
         assert_eq!(
@@ -895,13 +899,21 @@ mod tests {
             deriv2_invariant_jj3(&mut d2, &mut s, &sigma).err(),
             Some("'d2' tensor must be Symmetric")
         );
+        assert_eq!(
+            deriv2_invariant_lode(&mut d2, &mut s, &sigma).err(),
+            Some("'d2' tensor must be Symmetric")
+        );
         let sigma = Tensor2::new(Mandel::Symmetric2D);
         let mut s = Tensor2::new(Mandel::Symmetric);
         let mut d2 = Tensor4::new(Mandel::Symmetric);
         assert_eq!(
             deriv2_invariant_jj3(&mut d2, &mut s, &sigma).err(),
             Some("'s' tensor is not compatible with 'sigma' tensor")
         );
+        assert_eq!(
+            deriv2_invariant_lode(&mut d2, &mut s, &sigma).err(),
+            Some("'aux' tensor is not compatible with 'sigma' tensor")
+        );
     }
 
     #[test]
@@ -958,6 +970,15 @@ mod tests {
         check_deriv2_jj3(&sigma, 1e-13);
     }
 
+    #[test]
+    fn deriv2_invariant_lode_returns_none() {
+        // identity
+        let sigma = Tensor2::from_matrix(&SamplesTensor2::TENSOR_I.matrix, Mandel::Symmetric).unwrap();
+        let mut d2 = Tensor4::new(Mandel::Symmetric);
+        let mut aux = Tensor2::new(Mandel::Symmetric);
+        assert_eq!(deriv2_invariant_lode(&mut d2, &mut aux, &sigma).unwrap(), None);
+    }
+
     #[test]
     fn deriv2_invariant_lode_works() {
         // symmetric