utils/fragmented_vector: Add a test for iterator access

Signed-off-by: Ben Pope <ben@redpanda.com>
vbotbuildovich · Oct 2, 2023 · 239a9f0 · 239a9f0
1 parent 862e889
commit 239a9f0
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/src/v/utils/tests/fragmented_vector_test.cc b/src/v/utils/tests/fragmented_vector_test.cc
@@ -220,6 +220,23 @@ BOOST_AUTO_TEST_CASE(fragmented_vector_iterator_types) {
                   decltype(v)::const_iterator>);
 }
 
+struct foo {
+    int a;
+    friend std::ostream& operator<<(std::ostream& os, foo const& f) {
+        return os << f.a;
+    }
+    friend auto operator<=>(foo const&, foo const&) = default;
+};
+
+BOOST_AUTO_TEST_CASE(fragmented_vector_iterator_access) {
+    using vtype = fragmented_vector<foo, 8>;
+    auto vec = vtype{};
+    vec.push_back(foo{2});
+
+    BOOST_CHECK_EQUAL(*vec.begin(), foo{2});
+    BOOST_CHECK_EQUAL((*vec.begin()).a, 2);
+}
+
 /**
  * Get a fragmented vector for elements of size E, with max_fragment_size F.
  */