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Diffstat (limited to 'test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp')
-rw-r--r--test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp9
1 files changed, 9 insertions, 0 deletions
diff --git a/test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp b/test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp
index 71fe903b74a8..8b19972eb32e 100644
--- a/test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp
+++ b/test/std/containers/container.adaptors/stack/stack.defn/emplace.pass.cpp
@@ -12,22 +12,31 @@
// <stack>
// template <class... Args> reference emplace(Args&&... args);
+// return type is 'reference' in C++17; 'void' before
#include <stack>
#include <cassert>
+#include "test_macros.h"
+
#include "../../../Emplaceable.h"
int main()
{
typedef Emplaceable T;
std::stack<Emplaceable> q;
+#if TEST_STD_VER > 14
T& r1 = q.emplace(1, 2.5);
assert(&r1 == &q.top());
T& r2 = q.emplace(2, 3.5);
assert(&r2 == &q.top());
T& r3 = q.emplace(3, 4.5);
assert(&r3 == &q.top());
+#else
+ q.emplace(1, 2.5);
+ q.emplace(2, 3.5);
+ q.emplace(3, 4.5);
+#endif
assert(q.size() == 3);
assert(q.top() == Emplaceable(3, 4.5));
}