98d3d5b5da
Reviewed By: #libc, ldionne Spies: mgorny, var-const, ormris, philnik, miscco, hiraditya, steven_wu, jkorous, ldionne, christof, libcxx-commits Differential Revision: https://reviews.llvm.org/D68365
50 lines
1.0 KiB
C++
50 lines
1.0 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <vector>
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// vector<bool>
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// static void swap(reference x, reference y) noexcept;
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#include <vector>
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#include <cassert>
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#include "test_macros.h"
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TEST_CONSTEXPR_CXX20 bool tests()
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{
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bool a[] = {false, true, false, true};
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bool* an = a + sizeof(a)/sizeof(a[0]);
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std::vector<bool> v(a, an);
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std::vector<bool>::reference r1 = v[0];
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std::vector<bool>::reference r2 = v[3];
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#if TEST_STD_VER >= 11
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static_assert((noexcept(v.swap(r1,r2))), "");
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#endif
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assert(!r1);
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assert( r2);
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v.swap(r1, r2);
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assert( r1);
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assert(!r2);
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return true;
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}
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int main(int, char**)
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{
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tests();
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#if TEST_STD_VER > 17
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static_assert(tests());
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#endif
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return 0;
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}
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