| 1 | //===----------------------------------------------------------------------===// |
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | // <regex> |
| 10 | // UNSUPPORTED: no-exceptions |
| 11 | // UNSUPPORTED: c++03 |
| 12 | |
| 13 | // the "n" and "m" in `a{n,m}` should be within the numeric limits. |
| 14 | // requirement "m >= n" should be checked. |
| 15 | |
| 16 | #include <regex> |
| 17 | #include <cassert> |
| 18 | #include "test_macros.h" |
| 19 | |
| 20 | int main(int, char**) { |
| 21 | // test that `n <= m` |
| 22 | for (std::regex_constants::syntax_option_type op : |
| 23 | {std::regex::basic}) { |
| 24 | try { |
| 25 | TEST_IGNORE_NODISCARD std::regex("a\\{3,2\\}" , op); |
| 26 | assert(false); |
| 27 | } catch (const std::regex_error &e) { |
| 28 | assert(e.code() == std::regex_constants::error_badbrace); |
| 29 | LIBCPP_ASSERT(e.code() == std::regex_constants::error_badbrace); |
| 30 | } |
| 31 | } |
| 32 | for (std::regex_constants::syntax_option_type op : |
| 33 | {std::regex::ECMAScript, std::regex::extended, std::regex::egrep, |
| 34 | std::regex::awk}) { |
| 35 | try { |
| 36 | TEST_IGNORE_NODISCARD std::regex("a{3,2}" , op); |
| 37 | assert(false); |
| 38 | } catch (const std::regex_error &e) { |
| 39 | assert(e.code() == std::regex_constants::error_badbrace); |
| 40 | LIBCPP_ASSERT(e.code() == std::regex_constants::error_badbrace); |
| 41 | } |
| 42 | } |
| 43 | |
| 44 | // test that both bounds are within the limit |
| 45 | for (std::regex_constants::syntax_option_type op : |
| 46 | {std::regex::basic}) { |
| 47 | try { |
| 48 | TEST_IGNORE_NODISCARD std::regex("a\\{100000000000000000000,10000000000000000000\\}" , op); |
| 49 | assert(false); |
| 50 | } catch (const std::regex_error &e) { |
| 51 | assert(e.code() == std::regex_constants::error_badbrace); |
| 52 | LIBCPP_ASSERT(e.code() == std::regex_constants::error_badbrace); |
| 53 | } |
| 54 | } |
| 55 | for (std::regex_constants::syntax_option_type op : |
| 56 | {std::regex::ECMAScript, std::regex::extended, std::regex::egrep, |
| 57 | std::regex::awk}) { |
| 58 | try { |
| 59 | TEST_IGNORE_NODISCARD std::regex("a{100000000000000000000,10000000000000000000}" , op); |
| 60 | assert(false); |
| 61 | } catch (const std::regex_error &e) { |
| 62 | assert(e.code() == std::regex_constants::error_badbrace); |
| 63 | LIBCPP_ASSERT(e.code() == std::regex_constants::error_badbrace); |
| 64 | } |
| 65 | } |
| 66 | return 0; |
| 67 | } |
| 68 | |