143 lines
4.5 KiB
C++
143 lines
4.5 KiB
C++
//
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// Copyright (c) 2012 Artyom Beilis (Tonkikh)
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// Copyright (c) 2019 Alexander Grund
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//
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/nowide/cstdio.hpp>
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#include <boost/nowide/convert.hpp>
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#include "test.hpp"
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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bool file_exists(const std::string& filename)
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{
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#ifdef BOOST_WINDOWS
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FILE* f = boost::nowide::detail::wfopen(boost::nowide::widen(filename).c_str(), L"r");
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#else
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FILE* f = std::fopen(filename.c_str(), "r");
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#endif
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bool result = false;
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if(f)
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{
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std::fclose(f);
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result = true;
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}
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return result;
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}
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void create_test_file(const std::string& filename)
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{
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#ifdef BOOST_WINDOWS
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FILE* f = boost::nowide::detail::wfopen(boost::nowide::widen(filename).c_str(), L"w");
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#else
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FILE* f = std::fopen(filename.c_str(), "w");
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#endif
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TEST(f);
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TEST(std::fputs("test\n", f) >= 0);
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std::fclose(f);
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}
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#ifdef BOOST_MSVC
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#include <crtdbg.h> // For _CrtSetReportMode
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void noop_invalid_param_handler(const wchar_t*, const wchar_t*, const wchar_t*, unsigned, uintptr_t)
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{} // LCOV_EXCL_LINE
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#endif
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// coverity[root_function]
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void test_main(int, char** argv, char**)
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{
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const std::string prefix = argv[0];
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const std::string filename = prefix + "\xd7\xa9-\xd0\xbc-\xce\xbd.txt";
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#ifdef BOOST_MSVC
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// Prevent abort on freopen(NULL, ...)
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_set_invalid_parameter_handler(noop_invalid_param_handler);
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#endif
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std::cout << " -- fopen - existing file" << std::endl;
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{
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create_test_file(filename);
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FILE* f = boost::nowide::fopen(filename.c_str(), "r");
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TEST(f);
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char buf[16];
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TEST(std::fgets(buf, 16, f) != 0);
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TEST(strcmp(buf, "test\n") == 0);
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std::fclose(f);
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}
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std::cout << " -- remove" << std::endl;
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{
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create_test_file(filename);
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TEST(file_exists(filename));
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TEST(boost::nowide::remove(filename.c_str()) == 0);
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TEST(!file_exists(filename));
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}
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std::cout << " -- fopen non-existing file" << std::endl;
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{
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boost::nowide::remove(filename.c_str());
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TEST(!file_exists(filename));
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TEST(boost::nowide::fopen(filename.c_str(), "r") == nullptr);
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TEST(!file_exists(filename));
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}
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std::cout << " -- freopen" << std::endl;
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{
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create_test_file(filename);
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FILE* f = boost::nowide::fopen(filename.c_str(), "r+");
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TEST(f);
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std::cout << " -- Can read & write" << std::endl;
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{
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char buf[32];
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TEST(std::fgets(buf, 32, f) != 0);
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TEST(strcmp(buf, "test\n") == 0);
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TEST(std::fseek(f, 0, SEEK_END) == 0);
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TEST(std::fputs("foobar\n", f) >= 0);
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}
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// Reopen in read mode
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// Note that changing the mode is not possibly on all implementations
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// E.g. MSVC disallows NULL completely as the file parameter
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FILE* f2 = boost::nowide::freopen(nullptr, "r", f);
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if(!f2)
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f2 = boost::nowide::freopen(filename.c_str(), "r", f);
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std::cout << " -- no write possible" << std::endl;
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{
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TEST(f2 == f);
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TEST(std::fputs("not-written\n", f) < 0);
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TEST(std::fseek(f, 0, SEEK_SET) == 0);
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char buf[32];
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TEST(std::fgets(buf, 32, f) != 0);
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TEST(strcmp(buf, "test\n") == 0);
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TEST(std::fgets(buf, 32, f) != 0);
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TEST(strcmp(buf, "foobar\n") == 0);
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}
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std::cout << " -- Reopen different file" << std::endl;
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const std::string filename2 = filename + ".1.txt";
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TEST(boost::nowide::freopen(filename2.c_str(), "w", f) == f);
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{
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char buf[32];
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TEST(std::fputs("baz\n", f) >= 0);
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std::fclose(f);
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f = boost::nowide::fopen(filename2.c_str(), "r");
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TEST(f);
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TEST(std::fgets(buf, 32, f) != 0);
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TEST(strcmp(buf, "baz\n") == 0);
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}
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std::fclose(f);
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boost::nowide::remove(filename2.c_str());
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}
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std::cout << " -- rename" << std::endl;
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{
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create_test_file(filename);
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const std::string filename2 = filename + ".1.txt";
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boost::nowide::remove(filename2.c_str());
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TEST(file_exists(filename));
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TEST(!file_exists(filename2));
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TEST(boost::nowide::rename(filename.c_str(), filename2.c_str()) == 0);
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TEST(!file_exists(filename));
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TEST(file_exists(filename2));
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TEST(boost::nowide::remove(filename.c_str()) < 0);
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TEST(boost::nowide::remove(filename2.c_str()) == 0);
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}
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}
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