mirror of
https://github.com/capstone-engine/llvm-capstone.git
synced 2025-04-13 11:51:17 +00:00
3e895085de
Summary: This patch adds return type to std::erase and std::erase_if functions. Also: * Update __cpp_lib_erase_if to 202002L. * Fix synopsis in unordered_map. * Fix generate_feature_test_macro_components.py script. Reviewers: EricWF, mclow.lists, ldionne, #libc Reviewed By: ldionne, #libc Subscribers: broadwaylamb, zoecarver, dexonsmith, ldionne, libcxx-commits Tags: #libc Differential Revision: https://reviews.llvm.org/D75905
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
|
|
|
|
// <string>
|
|
|
|
// template <class charT, class traits, class Allocator, class U>
|
|
// typename basic_string<charT, traits, Allocator>::size_type
|
|
// erase(basic_string<charT, traits, Allocator>& c, const U& value);
|
|
|
|
#include <string>
|
|
#include <optional>
|
|
|
|
#include "test_macros.h"
|
|
#include "test_allocator.h"
|
|
#include "min_allocator.h"
|
|
|
|
template <class S, class U>
|
|
void test0(S s, U val, S expected, size_t expected_erased_count) {
|
|
ASSERT_SAME_TYPE(typename S::size_type, decltype(std::erase(s, val)));
|
|
assert(expected_erased_count == std::erase(s, val));
|
|
LIBCPP_ASSERT(s.__invariants());
|
|
assert(s == expected);
|
|
}
|
|
|
|
template <class S>
|
|
void test()
|
|
{
|
|
|
|
test0(S(""), 'a', S(""), 0);
|
|
|
|
test0(S("a"), 'a', S(""), 1);
|
|
test0(S("a"), 'b', S("a"), 0);
|
|
|
|
test0(S("ab"), 'a', S("b"), 1);
|
|
test0(S("ab"), 'b', S("a"), 1);
|
|
test0(S("ab"), 'c', S("ab"), 0);
|
|
test0(S("aa"), 'a', S(""), 2);
|
|
test0(S("aa"), 'c', S("aa"), 0);
|
|
|
|
test0(S("abc"), 'a', S("bc"), 1);
|
|
test0(S("abc"), 'b', S("ac"), 1);
|
|
test0(S("abc"), 'c', S("ab"), 1);
|
|
test0(S("abc"), 'd', S("abc"), 0);
|
|
|
|
test0(S("aab"), 'a', S("b"), 2);
|
|
test0(S("aab"), 'b', S("aa"), 1);
|
|
test0(S("aab"), 'c', S("aab"), 0);
|
|
test0(S("abb"), 'a', S("bb"), 1);
|
|
test0(S("abb"), 'b', S("a"), 2);
|
|
test0(S("abb"), 'c', S("abb"), 0);
|
|
test0(S("aaa"), 'a', S(""), 3);
|
|
test0(S("aaa"), 'b', S("aaa"), 0);
|
|
|
|
// Test cross-type erasure
|
|
using opt = std::optional<typename S::value_type>;
|
|
test0(S("aba"), opt(), S("aba"), 0);
|
|
test0(S("aba"), opt('a'), S("b"), 2);
|
|
test0(S("aba"), opt('b'), S("aa"), 1);
|
|
test0(S("aba"), opt('c'), S("aba"), 0);
|
|
}
|
|
|
|
int main(int, char**)
|
|
{
|
|
test<std::string>();
|
|
test<std::basic_string<char, std::char_traits<char>, min_allocator<char>>> ();
|
|
test<std::basic_string<char, std::char_traits<char>, test_allocator<char>>> ();
|
|
|
|
return 0;
|
|
}
|