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@@ -0,0 +1,60 @@
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+//===----------------------------------------------------------------------===//
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+//
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+// The LLVM Compiler Infrastructure
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+//
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+// This file is dual licensed under the MIT and the University of Illinois Open
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+// Source Licenses. See LICENSE.TXT for details.
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+//
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+//===----------------------------------------------------------------------===//
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+
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+// <vector>
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+
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+// void swap(vector& c)
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+// noexcept(!allocator_type::propagate_on_container_swap::value ||
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+// __is_nothrow_swappable<allocator_type>::value);
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+
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+// This tests a conforming extension
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+
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+#include <vector>
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+#include <cassert>
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+
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+#include "../../../MoveOnly.h"
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+#include "../../../test_allocator.h"
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+
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+template <class T>
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+struct some_alloc
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+{
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+ typedef T value_type;
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+
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+ some_alloc() {}
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+ some_alloc(const some_alloc&);
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+ void deallocate(void*, unsigned) {}
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+
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+ typedef std::true_type propagate_on_container_swap;
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+};
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+
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+int main()
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+{
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+#if __has_feature(cxx_noexcept)
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+ {
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+ typedef std::vector<MoveOnly> C;
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+ C c1, c2;
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+ static_assert(noexcept(swap(c1, c2)), "");
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+ }
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+ {
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+ typedef std::vector<MoveOnly, test_allocator<MoveOnly>> C;
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+ C c1, c2;
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+ static_assert(noexcept(swap(c1, c2)), "");
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+ }
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+ {
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+ typedef std::vector<MoveOnly, other_allocator<MoveOnly>> C;
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+ C c1, c2;
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+ static_assert(noexcept(swap(c1, c2)), "");
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+ }
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+ {
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+ typedef std::vector<MoveOnly, some_alloc<MoveOnly>> C;
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+ C c1, c2;
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+ static_assert(!noexcept(swap(c1, c2)), "");
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+ }
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+#endif
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+}
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