//===----------------------------------------------------------------------===// // // 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 // //===----------------------------------------------------------------------===// // // basic_string& // insert(size_type pos, const charT* s); // constexpr since C++20 #include #include #include #include "test_macros.h" #include "min_allocator.h" #include "asan_testing.h" template TEST_CONSTEXPR_CXX20 void test(S s, typename S::size_type pos, const typename S::value_type* str, S expected) { const typename S::size_type old_size = s.size(); S s0 = s; if (pos <= old_size) { s.insert(pos, str); LIBCPP_ASSERT(s.__invariants()); assert(s == expected); LIBCPP_ASSERT(is_string_asan_correct(s)); } #ifndef TEST_HAS_NO_EXCEPTIONS else if (!TEST_IS_CONSTANT_EVALUATED) { try { s.insert(pos, str); assert(false); } catch (std::out_of_range&) { assert(pos > old_size); assert(s == s0); } } #endif } template TEST_CONSTEXPR_CXX20 void test_string() { test(S(""), 0, "", S("")); test(S(""), 0, "12345", S("12345")); test(S(""), 0, "1234567890", S("1234567890")); test(S(""), 0, "12345678901234567890", S("12345678901234567890")); test(S(""), 1, "", S("can't happen")); test(S(""), 1, "12345", S("can't happen")); test(S(""), 1, "1234567890", S("can't happen")); test(S(""), 1, "12345678901234567890", S("can't happen")); test(S("abcde"), 0, "", S("abcde")); test(S("abcde"), 0, "12345", S("12345abcde")); test(S("abcde"), 0, "1234567890", S("1234567890abcde")); test(S("abcde"), 0, "12345678901234567890", S("12345678901234567890abcde")); test(S("abcde"), 1, "", S("abcde")); test(S("abcde"), 1, "12345", S("a12345bcde")); test(S("abcde"), 1, "1234567890", S("a1234567890bcde")); test(S("abcde"), 1, "12345678901234567890", S("a12345678901234567890bcde")); test(S("abcde"), 2, "", S("abcde")); test(S("abcde"), 2, "12345", S("ab12345cde")); test(S("abcde"), 2, "1234567890", S("ab1234567890cde")); test(S("abcde"), 2, "12345678901234567890", S("ab12345678901234567890cde")); test(S("abcde"), 4, "", S("abcde")); test(S("abcde"), 4, "12345", S("abcd12345e")); test(S("abcde"), 4, "1234567890", S("abcd1234567890e")); test(S("abcde"), 4, "12345678901234567890", S("abcd12345678901234567890e")); test(S("abcde"), 5, "", S("abcde")); test(S("abcde"), 5, "12345", S("abcde12345")); test(S("abcde"), 5, "1234567890", S("abcde1234567890")); test(S("abcde"), 5, "12345678901234567890", S("abcde12345678901234567890")); test(S("abcde"), 6, "", S("can't happen")); test(S("abcde"), 6, "12345", S("can't happen")); test(S("abcde"), 6, "1234567890", S("can't happen")); test(S("abcde"), 6, "12345678901234567890", S("can't happen")); test(S("abcdefghij"), 0, "", S("abcdefghij")); test(S("abcdefghij"), 0, "12345", S("12345abcdefghij")); test(S("abcdefghij"), 0, "1234567890", S("1234567890abcdefghij")); test(S("abcdefghij"), 0, "12345678901234567890", S("12345678901234567890abcdefghij")); test(S("abcdefghij"), 1, "", S("abcdefghij")); test(S("abcdefghij"), 1, "12345", S("a12345bcdefghij")); test(S("abcdefghij"), 1, "1234567890", S("a1234567890bcdefghij")); test(S("abcdefghij"), 1, "12345678901234567890", S("a12345678901234567890bcdefghij")); test(S("abcdefghij"), 5, "", S("abcdefghij")); test(S("abcdefghij"), 5, "12345", S("abcde12345fghij")); test(S("abcdefghij"), 5, "1234567890", S("abcde1234567890fghij")); test(S("abcdefghij"), 5, "12345678901234567890", S("abcde12345678901234567890fghij")); test(S("abcdefghij"), 9, "", S("abcdefghij")); test(S("abcdefghij"), 9, "12345", S("abcdefghi12345j")); test(S("abcdefghij"), 9, "1234567890", S("abcdefghi1234567890j")); test(S("abcdefghij"), 9, "12345678901234567890", S("abcdefghi12345678901234567890j")); test(S("abcdefghij"), 10, "", S("abcdefghij")); test(S("abcdefghij"), 10, "12345", S("abcdefghij12345")); test(S("abcdefghij"), 10, "1234567890", S("abcdefghij1234567890")); test(S("abcdefghij"), 10, "12345678901234567890", S("abcdefghij12345678901234567890")); test(S("abcdefghij"), 11, "", S("can't happen")); test(S("abcdefghij"), 11, "12345", S("can't happen")); test(S("abcdefghij"), 11, "1234567890", S("can't happen")); test(S("abcdefghij"), 11, "12345678901234567890", S("can't happen")); test(S("abcdefghijklmnopqrst"), 0, "", S("abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 0, "12345", S("12345abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 0, "1234567890", S("1234567890abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 0, "12345678901234567890", S("12345678901234567890abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 1, "", S("abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 1, "12345", S("a12345bcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 1, "1234567890", S("a1234567890bcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 1, "12345678901234567890", S("a12345678901234567890bcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 10, "", S("abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 10, "12345", S("abcdefghij12345klmnopqrst")); test(S("abcdefghijklmnopqrst"), 10, "1234567890", S("abcdefghij1234567890klmnopqrst")); test(S("abcdefghijklmnopqrst"), 10, "12345678901234567890", S("abcdefghij12345678901234567890klmnopqrst")); test(S("abcdefghijklmnopqrst"), 19, "", S("abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 19, "12345", S("abcdefghijklmnopqrs12345t")); test(S("abcdefghijklmnopqrst"), 19, "1234567890", S("abcdefghijklmnopqrs1234567890t")); test(S("abcdefghijklmnopqrst"), 19, "12345678901234567890", S("abcdefghijklmnopqrs12345678901234567890t")); test(S("abcdefghijklmnopqrst"), 20, "", S("abcdefghijklmnopqrst")); test(S("abcdefghijklmnopqrst"), 20, "12345", S("abcdefghijklmnopqrst12345")); test(S("abcdefghijklmnopqrst"), 20, "1234567890", S("abcdefghijklmnopqrst1234567890")); test(S("abcdefghijklmnopqrst"), 20, "12345678901234567890", S("abcdefghijklmnopqrst12345678901234567890")); test(S("abcdefghijklmnopqrst"), 21, "", S("can't happen")); test(S("abcdefghijklmnopqrst"), 21, "12345", S("can't happen")); test(S("abcdefghijklmnopqrst"), 21, "1234567890", S("can't happen")); test(S("abcdefghijklmnopqrst"), 21, "12345678901234567890", S("can't happen")); } TEST_CONSTEXPR_CXX20 bool test() { test_string(); #if TEST_STD_VER >= 11 test_string, min_allocator>>(); test_string, safe_allocator>>(); #endif { // test inserting into self typedef std::string S; S s_short = "123/"; S s_long = "Lorem ipsum dolor sit amet, consectetur/"; s_short.insert(0, s_short.c_str()); assert(s_short == "123/123/"); s_short.insert(0, s_short.c_str()); assert(s_short == "123/123/123/123/"); s_short.insert(0, s_short.c_str()); assert(s_short == "123/123/123/123/123/123/123/123/"); s_long.insert(0, s_long.c_str()); assert(s_long == "Lorem ipsum dolor sit amet, consectetur/Lorem ipsum dolor sit amet, consectetur/"); } return true; } int main(int, char**) { test(); #if TEST_STD_VER > 17 static_assert(test()); #endif return 0; }