diff options
Diffstat (limited to 'libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp')
-rw-r--r-- | libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp b/libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp index 1d9c08b156b..77d822a0794 100644 --- a/libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp +++ b/libcxx/test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp @@ -7,9 +7,11 @@ // //===----------------------------------------------------------------------===// +// UNSUPPORTED: c++98, c++03 + // <queue> -// template <class... Args> void emplace(Args&&... args); +// template <class... Args> reference emplace(Args&&... args); #include <queue> #include <cassert> @@ -18,13 +20,17 @@ int main() { -#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES + typedef Emplaceable T; std::queue<Emplaceable> q; - q.emplace(1, 2.5); - q.emplace(2, 3.5); - q.emplace(3, 4.5); + T& r1 = q.emplace(1, 2.5); + assert(&r1 == &q.back()); + T& r2 = q.emplace(2, 3.5); + assert(&r2 == &q.back()); + T& r3 = q.emplace(3, 4.5); + assert(&r3 == &q.back()); assert(q.size() == 3); assert(q.front() == Emplaceable(1, 2.5)); assert(q.back() == Emplaceable(3, 4.5)); -#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES + assert(&r3 == &q.back()); + assert(&r1 == &q.front()); } |