| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <string> |
| |
| // basic_string<charT,traits,Allocator>& |
| // insert(size_type pos, string_view sv); |
| |
| // When back-deploying to macosx10.7, the RTTI for exception classes |
| // incorrectly provided by libc++.dylib is mixed with the one in |
| // libc++abi.dylib and exceptions are not caught properly. |
| // XFAIL: with_system_cxx_lib=macosx10.7 |
| |
| #include <string> |
| #include <stdexcept> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "min_allocator.h" |
| |
| template <class S, class SV> |
| void |
| test(S s, typename S::size_type pos, SV sv, S expected) |
| { |
| const typename S::size_type old_size = s.size(); |
| S s0 = s; |
| if (pos <= old_size) |
| { |
| s.insert(pos, sv); |
| LIBCPP_ASSERT(s.__invariants()); |
| assert(s == expected); |
| } |
| #ifndef TEST_HAS_NO_EXCEPTIONS |
| else |
| { |
| try |
| { |
| s.insert(pos, sv); |
| assert(false); |
| } |
| catch (std::out_of_range&) |
| { |
| assert(pos > old_size); |
| assert(s == s0); |
| } |
| } |
| #endif |
| } |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::string S; |
| typedef std::string_view SV; |
| test(S(""), 0, SV(""), S("")); |
| test(S(""), 0, SV("12345"), S("12345")); |
| test(S(""), 0, SV("1234567890"), S("1234567890")); |
| test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890")); |
| test(S(""), 1, SV(""), S("can't happen")); |
| test(S(""), 1, SV("12345"), S("can't happen")); |
| test(S(""), 1, SV("1234567890"), S("can't happen")); |
| test(S(""), 1, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcde"), 0, SV(""), S("abcde")); |
| test(S("abcde"), 0, SV("12345"), S("12345abcde")); |
| test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde")); |
| test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde")); |
| test(S("abcde"), 1, SV(""), S("abcde")); |
| test(S("abcde"), 1, SV("12345"), S("a12345bcde")); |
| test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde")); |
| test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde")); |
| test(S("abcde"), 2, SV(""), S("abcde")); |
| test(S("abcde"), 2, SV("12345"), S("ab12345cde")); |
| test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde")); |
| test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde")); |
| test(S("abcde"), 4, SV(""), S("abcde")); |
| test(S("abcde"), 4, SV("12345"), S("abcd12345e")); |
| test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e")); |
| test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e")); |
| test(S("abcde"), 5, SV(""), S("abcde")); |
| test(S("abcde"), 5, SV("12345"), S("abcde12345")); |
| test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890")); |
| test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890")); |
| test(S("abcde"), 6, SV(""), S("can't happen")); |
| test(S("abcde"), 6, SV("12345"), S("can't happen")); |
| test(S("abcde"), 6, SV("1234567890"), S("can't happen")); |
| test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcdefghij"), 0, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij")); |
| test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij")); |
| test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij")); |
| test(S("abcdefghij"), 1, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij")); |
| test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij")); |
| test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij")); |
| test(S("abcdefghij"), 5, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij")); |
| test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij")); |
| test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij")); |
| test(S("abcdefghij"), 9, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j")); |
| test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j")); |
| test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j")); |
| test(S("abcdefghij"), 10, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345")); |
| test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890")); |
| test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890")); |
| test(S("abcdefghij"), 11, SV(""), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("12345"), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t")); |
| test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890")); |
| test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen")); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; |
| typedef std::string_view SV; |
| test(S(""), 0, SV(""), S("")); |
| test(S(""), 0, SV("12345"), S("12345")); |
| test(S(""), 0, SV("1234567890"), S("1234567890")); |
| test(S(""), 0, SV("12345678901234567890"), S("12345678901234567890")); |
| test(S(""), 1, SV(""), S("can't happen")); |
| test(S(""), 1, SV("12345"), S("can't happen")); |
| test(S(""), 1, SV("1234567890"), S("can't happen")); |
| test(S(""), 1, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcde"), 0, SV(""), S("abcde")); |
| test(S("abcde"), 0, SV("12345"), S("12345abcde")); |
| test(S("abcde"), 0, SV("1234567890"), S("1234567890abcde")); |
| test(S("abcde"), 0, SV("12345678901234567890"), S("12345678901234567890abcde")); |
| test(S("abcde"), 1, SV(""), S("abcde")); |
| test(S("abcde"), 1, SV("12345"), S("a12345bcde")); |
| test(S("abcde"), 1, SV("1234567890"), S("a1234567890bcde")); |
| test(S("abcde"), 1, SV("12345678901234567890"), S("a12345678901234567890bcde")); |
| test(S("abcde"), 2, SV(""), S("abcde")); |
| test(S("abcde"), 2, SV("12345"), S("ab12345cde")); |
| test(S("abcde"), 2, SV("1234567890"), S("ab1234567890cde")); |
| test(S("abcde"), 2, SV("12345678901234567890"), S("ab12345678901234567890cde")); |
| test(S("abcde"), 4, SV(""), S("abcde")); |
| test(S("abcde"), 4, SV("12345"), S("abcd12345e")); |
| test(S("abcde"), 4, SV("1234567890"), S("abcd1234567890e")); |
| test(S("abcde"), 4, SV("12345678901234567890"), S("abcd12345678901234567890e")); |
| test(S("abcde"), 5, SV(""), S("abcde")); |
| test(S("abcde"), 5, SV("12345"), S("abcde12345")); |
| test(S("abcde"), 5, SV("1234567890"), S("abcde1234567890")); |
| test(S("abcde"), 5, SV("12345678901234567890"), S("abcde12345678901234567890")); |
| test(S("abcde"), 6, SV(""), S("can't happen")); |
| test(S("abcde"), 6, SV("12345"), S("can't happen")); |
| test(S("abcde"), 6, SV("1234567890"), S("can't happen")); |
| test(S("abcde"), 6, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcdefghij"), 0, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 0, SV("12345"), S("12345abcdefghij")); |
| test(S("abcdefghij"), 0, SV("1234567890"), S("1234567890abcdefghij")); |
| test(S("abcdefghij"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghij")); |
| test(S("abcdefghij"), 1, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 1, SV("12345"), S("a12345bcdefghij")); |
| test(S("abcdefghij"), 1, SV("1234567890"), S("a1234567890bcdefghij")); |
| test(S("abcdefghij"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghij")); |
| test(S("abcdefghij"), 5, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 5, SV("12345"), S("abcde12345fghij")); |
| test(S("abcdefghij"), 5, SV("1234567890"), S("abcde1234567890fghij")); |
| test(S("abcdefghij"), 5, SV("12345678901234567890"), S("abcde12345678901234567890fghij")); |
| test(S("abcdefghij"), 9, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 9, SV("12345"), S("abcdefghi12345j")); |
| test(S("abcdefghij"), 9, SV("1234567890"), S("abcdefghi1234567890j")); |
| test(S("abcdefghij"), 9, SV("12345678901234567890"), S("abcdefghi12345678901234567890j")); |
| test(S("abcdefghij"), 10, SV(""), S("abcdefghij")); |
| test(S("abcdefghij"), 10, SV("12345"), S("abcdefghij12345")); |
| test(S("abcdefghij"), 10, SV("1234567890"), S("abcdefghij1234567890")); |
| test(S("abcdefghij"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890")); |
| test(S("abcdefghij"), 11, SV(""), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("12345"), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("1234567890"), S("can't happen")); |
| test(S("abcdefghij"), 11, SV("12345678901234567890"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 0, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("12345"), S("12345abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("1234567890"), S("1234567890abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 0, SV("12345678901234567890"), S("12345678901234567890abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("12345"), S("a12345bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("1234567890"), S("a1234567890bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 1, SV("12345678901234567890"), S("a12345678901234567890bcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("12345"), S("abcdefghij12345klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("1234567890"), S("abcdefghij1234567890klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 10, SV("12345678901234567890"), S("abcdefghij12345678901234567890klmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 19, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("12345"), S("abcdefghijklmnopqrs12345t")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("1234567890"), S("abcdefghijklmnopqrs1234567890t")); |
| test(S("abcdefghijklmnopqrst"), 19, SV("12345678901234567890"), S("abcdefghijklmnopqrs12345678901234567890t")); |
| test(S("abcdefghijklmnopqrst"), 20, SV(""), S("abcdefghijklmnopqrst")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("12345"), S("abcdefghijklmnopqrst12345")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("1234567890"), S("abcdefghijklmnopqrst1234567890")); |
| test(S("abcdefghijklmnopqrst"), 20, SV("12345678901234567890"), S("abcdefghijklmnopqrst12345678901234567890")); |
| test(S("abcdefghijklmnopqrst"), 21, SV(""), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("12345"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("1234567890"), S("can't happen")); |
| test(S("abcdefghijklmnopqrst"), 21, SV("12345678901234567890"), S("can't happen")); |
| } |
| #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 0; |
| } |