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-exception
6//
7//===----------------------------------------------------------------------===//
8
9// UNSUPPORTED: c++03, c++11, c++14, c++17
10// UNSUPPORTED: GCC-ALWAYS_INLINE-FIXME
11
12// <deque>
13
14// template <class T, class Allocator, class Predicate>
15// typename deque<T, Allocator>::size_type
16// erase_if(deque<T, Allocator>& c, Predicate pred);
17
18#include "asan_testing.h"
19#include <deque>
20
21#include "test_macros.h"
22#include "test_allocator.h"
23#include "min_allocator.h"
24
25template <class S, class Pred>
26void test0(S s, Pred p, S expected, std::size_t expected_erased_count) {
27 ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase_if(s, p)));
28 assert(expected_erased_count == std::erase_if(s, p));
29 assert(s == expected);
30 LIBCPP_ASSERT(is_double_ended_contiguous_container_asan_correct(s));
31}
32
33template <typename S>
34void test()
35{
36 auto is1 = [](auto v) { return v == 1;};
37 auto is2 = [](auto v) { return v == 2;};
38 auto is3 = [](auto v) { return v == 3;};
39 auto is4 = [](auto v) { return v == 4;};
40 auto True = [](auto) { return true; };
41 auto False = [](auto) { return false; };
42
43 test0(S(), is1, S(), 0);
44
45 test0(S({1}), is1, S(), 1);
46 test0(S({1}), is2, S({1}), 0);
47
48 test0(S({1, 2}), is1, S({2}), 1);
49 test0(S({1, 2}), is2, S({1}), 1);
50 test0(S({1, 2}), is3, S({1, 2}), 0);
51 test0(S({1, 1}), is1, S(), 2);
52 test0(S({1, 1}), is3, S({1, 1}), 0);
53
54 test0(S({1, 2, 3}), is1, S({2, 3}), 1);
55 test0(S({1, 2, 3}), is2, S({1, 3}), 1);
56 test0(S({1, 2, 3}), is3, S({1, 2}), 1);
57 test0(S({1, 2, 3}), is4, S({1, 2, 3}), 0);
58
59 test0(S({1, 1, 1}), is1, S(), 3);
60 test0(S({1, 1, 1}), is2, S({1, 1, 1}), 0);
61 test0(S({1, 1, 2}), is1, S({2}), 2);
62 test0(S({1, 1, 2}), is2, S({1, 1}), 1);
63 test0(S({1, 1, 2}), is3, S({1, 1, 2}), 0);
64 test0(S({1, 2, 2}), is1, S({2, 2}), 1);
65 test0(S({1, 2, 2}), is2, S({1}), 2);
66 test0(S({1, 2, 2}), is3, S({1, 2, 2}), 0);
67
68 test0(S({1, 2, 3}), True, S(), 3);
69 test0(S({1, 2, 3}), False, S({1, 2, 3}), 0);
70}
71
72int main(int, char**)
73{
74 test<std::deque<int>>();
75 test<std::deque<int, min_allocator<int>>> ();
76 test<std::deque<int, safe_allocator<int>>> ();
77 test<std::deque<int, test_allocator<int>>> ();
78
79 test<std::deque<long>>();
80 test<std::deque<double>>();
81
82 return 0;
83}
84

source code of libcxx/test/std/containers/sequences/deque/deque.erasure/erase_if.pass.cpp