65 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <vector>10 11// class vector12 13// bool empty() const noexcept;14 15#include <vector>16#include <cassert>17 18#include "test_macros.h"19#include "min_allocator.h"20 21TEST_CONSTEXPR_CXX20 bool tests() {22 {23 typedef std::vector<int> C;24 C c;25 ASSERT_NOEXCEPT(c.empty());26 assert(c.empty());27 c.push_back(C::value_type(1));28 assert(!c.empty());29 c.clear();30 assert(c.empty());31 }32#if TEST_STD_VER >= 1133 {34 typedef std::vector<int, min_allocator<int>> C;35 C c;36 ASSERT_NOEXCEPT(c.empty());37 assert(c.empty());38 c.push_back(C::value_type(1));39 assert(!c.empty());40 c.clear();41 assert(c.empty());42 }43 {44 typedef std::vector<int, safe_allocator<int>> C;45 C c;46 ASSERT_NOEXCEPT(c.empty());47 assert(c.empty());48 c.push_back(C::value_type(1));49 assert(!c.empty());50 c.clear();51 assert(c.empty());52 }53#endif54 55 return true;56}57 58int main(int, char**) {59 tests();60#if TEST_STD_VER > 1761 static_assert(tests());62#endif63 return 0;64}65