| //===----------------------------------------------------------------------===// |
| // |
| // 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> |
| |
| // int compare(const basic_string& str) const |
| |
| #include <string> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| #include "min_allocator.h" |
| |
| int sign(int x) |
| { |
| if (x == 0) |
| return 0; |
| if (x < 0) |
| return -1; |
| return 1; |
| } |
| |
| template <class S> |
| void |
| test(const S& s, const S& str, int x) |
| { |
| assert(sign(s.compare(str)) == sign(x)); |
| } |
| |
| int main(int, char**) |
| { |
| { |
| typedef std::string S; |
| test(S(""), S(""), 0); |
| test(S(""), S("abcde"), -5); |
| test(S(""), S("abcdefghij"), -10); |
| test(S(""), S("abcdefghijklmnopqrst"), -20); |
| test(S("abcde"), S(""), 5); |
| test(S("abcde"), S("abcde"), 0); |
| test(S("abcde"), S("abcdefghij"), -5); |
| test(S("abcde"), S("abcdefghijklmnopqrst"), -15); |
| test(S("abcdefghij"), S(""), 10); |
| test(S("abcdefghij"), S("abcde"), 5); |
| test(S("abcdefghij"), S("abcdefghij"), 0); |
| test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10); |
| test(S("abcdefghijklmnopqrst"), S(""), 20); |
| test(S("abcdefghijklmnopqrst"), S("abcde"), 15); |
| test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10); |
| test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0); |
| } |
| #if TEST_STD_VER >= 11 |
| { |
| typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S; |
| test(S(""), S(""), 0); |
| test(S(""), S("abcde"), -5); |
| test(S(""), S("abcdefghij"), -10); |
| test(S(""), S("abcdefghijklmnopqrst"), -20); |
| test(S("abcde"), S(""), 5); |
| test(S("abcde"), S("abcde"), 0); |
| test(S("abcde"), S("abcdefghij"), -5); |
| test(S("abcde"), S("abcdefghijklmnopqrst"), -15); |
| test(S("abcdefghij"), S(""), 10); |
| test(S("abcdefghij"), S("abcde"), 5); |
| test(S("abcdefghij"), S("abcdefghij"), 0); |
| test(S("abcdefghij"), S("abcdefghijklmnopqrst"), -10); |
| test(S("abcdefghijklmnopqrst"), S(""), 20); |
| test(S("abcdefghijklmnopqrst"), S("abcde"), 15); |
| test(S("abcdefghijklmnopqrst"), S("abcdefghij"), 10); |
| test(S("abcdefghijklmnopqrst"), S("abcdefghijklmnopqrst"), 0); |
| } |
| #endif |
| |
| #if TEST_STD_VER > 3 |
| { // LWG 2946 |
| std::string s = " !"; |
| assert(s.compare({"abc", 1}) < 0); |
| } |
| #endif |
| |
| return 0; |
| } |