80 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// UNSUPPORTED: c++03, c++11, c++14, c++1710// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME11 12// <deque>13 14// template <class T, class Allocator, class U>15// typename deque<T, Allocator>::size_type16// erase(deque<T, Allocator>& c, const U& value);17 18#include "asan_testing.h"19#include <deque>20#include <optional>21 22#include "test_macros.h"23#include "test_allocator.h"24#include "min_allocator.h"25 26template <class S, class U>27void test0(S s, U val, S expected, std::size_t expected_erased_count) {28 ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));29 assert(expected_erased_count == std::erase(s, val));30 assert(s == expected);31 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(s));32}33 34template <class S>35void test() {36 test0(S(), 1, S(), 0);37 38 test0(S({1}), 1, S(), 1);39 test0(S({1}), 2, S({1}), 0);40 41 test0(S({1, 2}), 1, S({2}), 1);42 test0(S({1, 2}), 2, S({1}), 1);43 test0(S({1, 2}), 3, S({1, 2}), 0);44 test0(S({1, 1}), 1, S(), 2);45 test0(S({1, 1}), 3, S({1, 1}), 0);46 47 test0(S({1, 2, 3}), 1, S({2, 3}), 1);48 test0(S({1, 2, 3}), 2, S({1, 3}), 1);49 test0(S({1, 2, 3}), 3, S({1, 2}), 1);50 test0(S({1, 2, 3}), 4, S({1, 2, 3}), 0);51 52 test0(S({1, 1, 1}), 1, S(), 3);53 test0(S({1, 1, 1}), 2, S({1, 1, 1}), 0);54 test0(S({1, 1, 2}), 1, S({2}), 2);55 test0(S({1, 1, 2}), 2, S({1, 1}), 1);56 test0(S({1, 1, 2}), 3, S({1, 1, 2}), 0);57 test0(S({1, 2, 2}), 1, S({2, 2}), 1);58 test0(S({1, 2, 2}), 2, S({1}), 2);59 test0(S({1, 2, 2}), 3, S({1, 2, 2}), 0);60 61 // Test cross-type erasure62 using opt = std::optional<typename S::value_type>;63 test0(S({1, 2, 1}), opt(), S({1, 2, 1}), 0);64 test0(S({1, 2, 1}), opt(1), S({2}), 2);65 test0(S({1, 2, 1}), opt(2), S({1, 1}), 1);66 test0(S({1, 2, 1}), opt(3), S({1, 2, 1}), 0);67}68 69int main(int, char**) {70 test<std::deque<int>>();71 test<std::deque<int, min_allocator<int>>>();72 test<std::deque<int, safe_allocator<int>>>();73 test<std::deque<int, test_allocator<int>>>();74 75 test<std::deque<long>>();76 test<std::deque<double>>();77 78 return 0;79}80