47 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// <unordered_set>10 11// template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,12// class Alloc = allocator<Value>>13// class unordered_set14 15// void clear() noexcept;16 17#include <unordered_set>18#include <cassert>19 20#include "test_macros.h"21#include "min_allocator.h"22 23int main(int, char**) {24 {25 typedef std::unordered_set<int> C;26 typedef int P;27 P a[] = {P(1), P(2), P(3), P(4), P(1), P(2)};28 C c(a, a + sizeof(a) / sizeof(a[0]));29 ASSERT_NOEXCEPT(c.clear());30 c.clear();31 assert(c.size() == 0);32 }33#if TEST_STD_VER >= 1134 {35 typedef std::unordered_set<int, std::hash<int>, std::equal_to<int>, min_allocator<int>> C;36 typedef int P;37 P a[] = {P(1), P(2), P(3), P(4), P(1), P(2)};38 C c(a, a + sizeof(a) / sizeof(a[0]));39 ASSERT_NOEXCEPT(c.clear());40 c.clear();41 assert(c.size() == 0);42 }43#endif44 45 return 0;46}47