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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.cpp18
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());
}
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