| 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 | // UNSUPPORTED: no-localization |
| 10 | // UNSUPPORTED: !stdlib=libc++ && (c++03 || c++11 || c++14) |
| 11 | |
| 12 | // <string_view> |
| 13 | |
| 14 | // template<class charT, class traits, class Allocator> |
| 15 | // basic_ostream<charT, traits>& |
| 16 | // operator<<(basic_ostream<charT, traits>& os, |
| 17 | // const basic_string_view<charT,traits> str); |
| 18 | |
| 19 | #include <string_view> |
| 20 | #include <sstream> |
| 21 | #include <cassert> |
| 22 | |
| 23 | #include "test_macros.h" |
| 24 | |
| 25 | int main(int, char**) { |
| 26 | { |
| 27 | std::ostringstream out; |
| 28 | std::string_view sv("some text"); |
| 29 | out << sv; |
| 30 | assert(out.good()); |
| 31 | assert(sv == out.str()); |
| 32 | } |
| 33 | { |
| 34 | std::ostringstream out; |
| 35 | std::string s("some text"); |
| 36 | std::string_view sv(s); |
| 37 | out.width(wide: 12); |
| 38 | out << sv; |
| 39 | assert(out.good()); |
| 40 | assert(" "+ s == out.str()); |
| 41 | } |
| 42 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| 43 | { |
| 44 | std::wostringstream out; |
| 45 | std::wstring_view sv(L"some text"); |
| 46 | out << sv; |
| 47 | assert(out.good()); |
| 48 | assert(sv == out.str()); |
| 49 | } |
| 50 | { |
| 51 | std::wostringstream out; |
| 52 | std::wstring s(L"some text"); |
| 53 | std::wstring_view sv(s); |
| 54 | out.width(wide: 12); |
| 55 | out << sv; |
| 56 | assert(out.good()); |
| 57 | assert(L" "+ s == out.str()); |
| 58 | } |
| 59 | #endif |
| 60 | |
| 61 | return 0; |
| 62 | } |
| 63 |