xref: /llvm-project/libcxx/test/std/containers/sequences/array/array.tuple/get.verify.cpp (revision 9bb9ec380ace81d040d3a0a0a2ae9a75733ab330)
1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <array>
10 
11 // template <size_t I, class T, size_t N> T& get(array<T, N>& a);
12 
13 // Prevent -Warray-bounds from issuing a diagnostic when testing with clang verify.
14 // ADDITIONAL_COMPILE_FLAGS: -Wno-array-bounds
15 
16 #include <array>
17 #include <cassert>
18 
19 void f() {
20   typedef double T;
21   typedef std::array<T, 3> C;
22   C c = {1, 2, 3.5};
23   std::get<3>(c) = 5.5; // expected-note {{requested here}}
24   // expected-error-re@array:* {{static assertion failed{{( due to requirement '3U[L]{0,2} < 3U[L]{0,2}')?}}{{.*}}Index out of bounds in std::get<> (std::array)}}
25 }
26