1 files changed, 21 insertions, 0 deletions
diff --git a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_convert_copy.pass.cpp b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_convert_copy.pass.cpp
index 8acfde7a98eb..36d9f32879cb 100644
--- a/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_convert_copy.pass.cpp
+++ b/test/std/utilities/tuple/tuple.tuple/tuple.cnstr/alloc_convert_copy.pass.cpp
@@ -17,12 +17,23 @@
 // UNSUPPORTED: c++98, c++03
 
 #include <tuple>
+#include <memory>
 #include <cassert>
 
 #include "allocators.h"
 #include "../alloc_first.h"
 #include "../alloc_last.h"
 
+struct Explicit {
+  int value;
+  explicit Explicit(int x) : value(x) {}
+};
+
+struct Implicit {
+  int value;
+  Implicit(int x) : value(x) {}
+};
+
 int main()
 {
     {
@@ -66,4 +77,14 @@ int main()
         assert(std::get<1>(t1) == 2);
         assert(std::get<2>(t1) == 3);
     }
+    {
+        const std::tuple<int> t1(42);
+        std::tuple<Explicit> t2{std::allocator_arg, std::allocator<void>{},  t1};
+        assert(std::get<0>(t2).value == 42);
+    }
+    {
+        const std::tuple<int> t1(42);
+        std::tuple<Implicit> t2 = {std::allocator_arg, std::allocator<void>{}, t1};
+        assert(std::get<0>(t2).value == 42);
+    }
 }