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-rw-r--r--test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.fail.cpp51
1 files changed, 51 insertions, 0 deletions
diff --git a/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.fail.cpp b/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.fail.cpp
new file mode 100644
index 000000000..71201f0ef
--- /dev/null
+++ b/test/std/utilities/memory/allocator.traits/allocator.traits.members/allocate.fail.cpp
@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// template <class Alloc>
+// struct allocator_traits
+// {
+// static pointer allocate(allocator_type& a, size_type n);
+// ...
+// };
+
+// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
+// UNSUPPORTED: clang-3.3, clang-3.4, clang-3.5, clang-3.6, clang-3.7, clang-3.8
+
+#include <memory>
+#include <cstdint>
+#include <cassert>
+
+#include "test_macros.h"
+
+template <class T>
+struct A
+{
+ typedef T value_type;
+
+ value_type* allocate(std::size_t n)
+ {
+ assert(n == 12);
+ return reinterpret_cast<value_type*>(static_cast<std::uintptr_t>(0xEEADBEEF));
+ }
+ value_type* allocate(std::size_t n, const void* p)
+ {
+ assert(n == 11);
+ assert(p == 0);
+ return reinterpret_cast<value_type*>(static_cast<std::uintptr_t>(0xFEADBEEF));
+ }
+};
+
+int main()
+{
+ A<int> a;
+ std::allocator_traits<A<int> >::allocate(a, 10); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
+ std::allocator_traits<A<int> >::allocate(a, 10, nullptr); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
+}