//===----------------------------------------------------------------------===// // // 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++03, c++11, c++14, c++17, c++20 // // constexpr bool contains(basic_string_view x) const noexcept; #include #include #include "test_macros.h" template class Alloc> constexpr void test_string() { using S = std::basic_string, Alloc >; using SV = std::basic_string_view< CharT, std::char_traits >; const char* s = "abcde"; S s0; S s1{s + 1, 1}; S s3{s + 1, 3}; S s5{s, 5}; S sNot{"xyz", 3}; SV sv0; SV sv1{s + 1, 1}; SV sv2{s + 1, 2}; SV sv3{s + 1, 3}; SV sv4{s + 1, 4}; SV sv5{s, 5}; SV svNot{"xyz", 3}; SV svNot2{"bd", 2}; SV svNot3{"dcb", 3}; ASSERT_NOEXCEPT(s0.contains(sv0)); assert(s0.contains(sv0)); assert(!s0.contains(sv1)); assert(s1.contains(sv0)); assert(s1.contains(sv1)); assert(!s1.contains(sv2)); assert(!s1.contains(sv3)); assert(!s1.contains(sv4)); assert(!s1.contains(sv5)); assert(!s1.contains(svNot)); assert(!s1.contains(svNot2)); assert(!s1.contains(svNot3)); assert(s3.contains(sv0)); assert(s3.contains(sv1)); assert(s3.contains(sv2)); assert(s3.contains(sv3)); assert(!s3.contains(sv4)); assert(!s3.contains(sv5)); assert(!s3.contains(svNot)); assert(!s3.contains(svNot2)); assert(!s3.contains(svNot3)); assert(s5.contains(sv0)); assert(s5.contains(sv1)); assert(s5.contains(sv2)); assert(s5.contains(sv3)); assert(s5.contains(sv4)); assert(s5.contains(sv5)); assert(!s5.contains(svNot)); assert(!s5.contains(svNot2)); assert(!s5.contains(svNot3)); assert(sNot.contains(sv0)); assert(!sNot.contains(sv1)); assert(!sNot.contains(sv2)); assert(!sNot.contains(sv3)); assert(!sNot.contains(sv4)); assert(!sNot.contains(sv5)); assert(sNot.contains(svNot)); assert(!sNot.contains(svNot2)); assert(!sNot.contains(svNot3)); } constexpr bool test() { test_string(); return true; } int main(int, char**) { test(); static_assert(test()); return 0; }