127 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9// <fstream>10 11// template <class charT, class traits = char_traits<charT> >12// class basic_ofstream13 14// explicit basic_ofstream(const string& s, ios_base::openmode mode = ios_base::out);15 16#include <fstream>17#include <cassert>18#include <ios>19 20#include "test_macros.h"21#include "operator_hijacker.h"22#include "platform_support.h"23 24int main(int, char**)25{26 std::string temp = get_temp_file_name();27 28 {29 std::ofstream fs(temp);30 fs << 3.25;31 }32 {33 std::ifstream fs(temp);34 double x = 0;35 fs >> x;36 assert(x == 3.25);37 }38 std::remove(temp.c_str());39 40 {41 std::basic_ofstream<char, operator_hijacker_char_traits<char> > fs(temp);42 fs << "3.25";43 }44 {45 std::ifstream fs(temp);46 double x = 0;47 fs >> x;48 assert(x == 3.25);49 }50 std::remove(temp.c_str());51 52 {53 std::ofstream fs(temp, std::ios_base::out);54 fs << 3.25;55 }56 {57 std::ifstream fs(temp);58 double x = 0;59 fs >> x;60 assert(x == 3.25);61 }62 std::remove(temp.c_str());63 64 {65 std::basic_ofstream<char, operator_hijacker_char_traits<char> > fs(temp, std::ios_base::out);66 fs << "3.25";67 }68 {69 std::ifstream fs(temp);70 double x = 0;71 fs >> x;72 assert(x == 3.25);73 }74 std::remove(temp.c_str());75#ifndef TEST_HAS_NO_WIDE_CHARACTERS76 {77 std::wofstream fs(temp);78 fs << 3.25;79 }80 {81 std::wifstream fs(temp);82 double x = 0;83 fs >> x;84 assert(x == 3.25);85 }86 std::remove(temp.c_str());87 88 {89 std::basic_ofstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fs(temp);90 fs << L"3.25";91 }92 {93 std::wifstream fs(temp);94 double x = 0;95 fs >> x;96 assert(x == 3.25);97 }98 std::remove(temp.c_str());99 100 {101 std::wofstream fs(temp, std::ios_base::out);102 fs << 3.25;103 }104 {105 std::wifstream fs(temp);106 double x = 0;107 fs >> x;108 assert(x == 3.25);109 }110 std::remove(temp.c_str());111 112 {113 std::basic_ofstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fs(temp, std::ios_base::out);114 fs << L"3.25";115 }116 {117 std::wifstream fs(temp);118 double x = 0;119 fs >> x;120 assert(x == 3.25);121 }122 std::remove(temp.c_str());123#endif124 125 return 0;126}127