| 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 | // <iomanip> |
| 10 | |
| 11 | // T5 setprecision(int n); |
| 12 | |
| 13 | #include <iomanip> |
| 14 | #include <istream> |
| 15 | #include <ostream> |
| 16 | #include <cassert> |
| 17 | |
| 18 | #include "test_macros.h" |
| 19 | |
| 20 | template <class CharT> |
| 21 | struct testbuf |
| 22 | : public std::basic_streambuf<CharT> |
| 23 | { |
| 24 | testbuf() {} |
| 25 | }; |
| 26 | |
| 27 | int main(int, char**) |
| 28 | { |
| 29 | { |
| 30 | testbuf<char> sb; |
| 31 | std::istream is(&sb); |
| 32 | is >> std::setprecision(10); |
| 33 | assert(is.precision() == 10); |
| 34 | } |
| 35 | { |
| 36 | testbuf<char> sb; |
| 37 | std::ostream os(&sb); |
| 38 | os << std::setprecision(10); |
| 39 | assert(os.precision() == 10); |
| 40 | } |
| 41 | #ifndef TEST_HAS_NO_WIDE_CHARACTERS |
| 42 | { |
| 43 | testbuf<wchar_t> sb; |
| 44 | std::wistream is(&sb); |
| 45 | is >> std::setprecision(10); |
| 46 | assert(is.precision() == 10); |
| 47 | } |
| 48 | { |
| 49 | testbuf<wchar_t> sb; |
| 50 | std::wostream os(&sb); |
| 51 | os << std::setprecision(10); |
| 52 | assert(os.precision() == 10); |
| 53 | } |
| 54 | #endif |
| 55 | |
| 56 | return 0; |
| 57 | } |
| 58 |