[vector] Add tests for move constructor/assignment

src/test-vector.cc

@@ -61,8 +61,12 @@ main (int argc, char **argv)
 
   /* Test move constructor. */
   {
-    hb_vector_t<int> v {hb_vector_t<int> {1, 2}};
-    hb_vector_t<int> V {hb_vector_t<int> {1, 2}};
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
+    hb_vector_t<int> v (std::move (s));
+    hb_sorted_vector_t<int> V (std::move (S));
+    assert (s.length == 0);
+    assert (S.length == 0);
     assert (v.length == 2);
     assert (v[0] == 1);
     assert (v[1] == 2);
@@ -70,11 +74,16 @@ main (int argc, char **argv)
 
   /* Test move assignment. */
   {
+    hb_vector_t<int> s {1, 2};
+    hb_sorted_vector_t<int> S {1, 2};
     hb_vector_t<int> v;
     hb_sorted_vector_t<int> V;
-    v = hb_vector_t<int> {1, 2};
-    V = hb_sorted_vector_t<int> {1, 2};
+    v = std::move (s);
+    V = std::move (S);
+    assert (s.length == 0);
+    assert (S.length == 0);
     assert (v.length == 2);
+    assert (V.length == 2);
     assert (v[0] == 1);
     assert (v[1] == 2);
   }