| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | // <vector> |
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| 10 | // vector<bool> |
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| 11 | |
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| 12 | // static void swap(reference x, reference y) noexcept; |
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| 13 | |
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| 14 | #include <vector> |
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| 15 | #include <cassert> |
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| 16 | |
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| 17 | #include "test_macros.h" |
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| 18 | |
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| 19 | TEST_CONSTEXPR_CXX20 bool tests() { |
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| 20 | bool a[] = {false, true, false, true}; |
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| 21 | bool* an = a + sizeof(a) / sizeof(a[0]); |
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| 22 | |
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| 23 | std::vector<bool> v(a, an); |
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| 24 | std::vector<bool>::reference r1 = v[0]; |
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| 25 | std::vector<bool>::reference r2 = v[3]; |
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| 26 | |
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| 27 | #if TEST_STD_VER >= 11 |
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| 28 | static_assert((noexcept(v.swap(r1, r2))), "" ); |
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| 29 | #endif |
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| 30 | |
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| 31 | assert(!r1); |
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| 32 | assert(r2); |
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| 33 | v.swap(r1, r2); |
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| 34 | assert(r1); |
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| 35 | assert(!r2); |
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| 36 | |
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| 37 | return true; |
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| 38 | } |
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| 39 | |
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| 40 | int main(int, char**) { |
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| 41 | tests(); |
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| 42 | #if TEST_STD_VER > 17 |
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| 43 | static_assert(tests()); |
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| 44 | #endif |
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| 45 | return 0; |
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| 46 | } |
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| 47 | |
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