| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <locale> |
| |
| // template <> class codecvt<char32_t, char, mbstate_t> |
| |
| // int length(stateT& state, const externT* from, const externT* from_end, size_t max) const; |
| |
| // This test runs in C++20, but we have deprecated codecvt<char(16|32), char, mbstate_t> in C++20. |
| // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS |
| |
| // Test is intended to convert between UTF8 and UTF16/32, it will fail on |
| // z/OS since at default char type on z/OS is EBCDIC character which has |
| // value different from ASCII character. |
| // UNSUPPORTED: target={{.+}}-zos{{.*}} |
| |
| #include <locale> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| typedef std::codecvt<char32_t, char, std::mbstate_t> F; |
| |
| int main(int, char**) |
| { |
| std::locale l = std::locale::classic(); |
| const F& f = std::use_facet<F>(l); |
| std::mbstate_t mbs = {}; |
| const char from[] = "some text"; |
| assert(f.length(mbs, from, from+10, 0) == 0); |
| assert(f.length(mbs, from, from+10, 8) == 8); |
| assert(f.length(mbs, from, from+10, 9) == 9); |
| assert(f.length(mbs, from, from+10, 10) == 10); |
| assert(f.length(mbs, from, from+10, 100) == 10); |
| |
| return 0; |
| } |