[wip] re #288: add test reproducing

biojppm · Aug 1, 2022 · 8da7d6e · 8da7d6e
1 parent d44a9b9
commit 8da7d6e
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/test/test_tree.cpp b/test/test_tree.cpp
@@ -738,6 +738,21 @@ TEST(Tree, reserve)
     test_invariants(t);
 }
 
+// https://github.com/biojppm/rapidyaml/issues/288
+TEST(Tree, reserve_issue288)
+{
+    Tree t;
+    t.reserve_arena(3);
+    // longer than the slack to cause another call to _grow_arena()
+    size_t slack = t.arena_slack();
+    std::string large(2 * slack, '*');
+    t.copy_to_arena(to_csubstr(large));
+    // again
+    slack = t.arena_slack();
+    large.assign(2 * slack, '+');
+    t.copy_to_arena(to_csubstr(large));
+}
+
 TEST(Tree, clear)
 {
     Tree t(16, 64);