| //===----------------------------------------------------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <strstream> |
| |
| // class strstreambuf |
| |
| // int_type overflow(int_type c = EOF); |
| |
| #include <strstream> |
| #include <cassert> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) |
| { |
| { |
| char buf[12] = "abc"; |
| std::strstreambuf sb(buf, sizeof(buf), buf); |
| assert(sb.sputc('1') == '1'); |
| assert(sb.str() == std::string("1bc")); |
| assert(sb.sputc('2') == '2'); |
| assert(sb.str() == std::string("12c")); |
| assert(sb.sputc('3') == '3'); |
| assert(sb.str() == std::string("123")); |
| assert(sb.sputc('4') == '4'); |
| assert(sb.str() == std::string("1234")); |
| assert(sb.sputc('5') == '5'); |
| assert(sb.str() == std::string("12345")); |
| assert(sb.sputc('6') == '6'); |
| assert(sb.str() == std::string("123456")); |
| assert(sb.sputc('7') == '7'); |
| assert(sb.str() == std::string("1234567")); |
| assert(sb.sputc('8') == '8'); |
| assert(sb.str() == std::string("12345678")); |
| assert(sb.sputc('9') == '9'); |
| assert(sb.str() == std::string("123456789")); |
| assert(sb.sputc('0') == '0'); |
| assert(sb.str() == std::string("1234567890")); |
| assert(sb.sputc('1') == '1'); |
| assert(sb.str() == std::string("12345678901")); |
| } |
| |
| return 0; |
| } |