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//
// Copyright (c) 2012 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/nowide/convert.hpp>
#include "test.hpp"
#include "test_sets.hpp"
#include <array>
#include <iostream>
#include <string>
#ifdef __cpp_lib_string_view
#include <string_view>
#define BOOST_NOWIDE_TEST_STD_STRINGVIEW
#endif
#if defined(BOOST_MSVC) && BOOST_MSVC < 1700
#pragma warning(disable : 4428) // universal-character-name encountered in source
#endif
std::wstring widen_buf_ptr(const std::string& s)
{
wchar_t buf[50];
TEST(boost::nowide::widen(buf, 50, s.c_str()) == buf);
return buf;
}
std::string narrow_buf_ptr(const std::wstring& s)
{
char buf[50];
TEST(boost::nowide::narrow(buf, 50, s.c_str()) == buf);
return buf;
}
std::wstring widen_buf_range(const std::string& s)
{
wchar_t buf[50];
TEST(boost::nowide::widen(buf, 50, s.c_str(), s.c_str() + s.size()) == buf);
return buf;
}
std::string narrow_buf_range(const std::wstring& s)
{
char buf[50];
TEST(boost::nowide::narrow(buf, 50, s.c_str(), s.c_str() + s.size()) == buf);
return buf;
}
std::wstring widen_raw_string(const std::string& s)
{
return boost::nowide::widen(s.c_str());
}
std::string narrow_raw_string(const std::wstring& s)
{
return boost::nowide::narrow(s.c_str());
}
std::wstring widen_raw_string_and_size(const std::string& s)
{
// Remove NULL
const std::string s2 = s + "DummyData";
return boost::nowide::widen(s2.c_str(), s.size());
}
std::string narrow_raw_string_and_size(const std::wstring& s)
{
// Remove NULL
const std::wstring s2 = s + L"DummyData";
return boost::nowide::narrow(s2.c_str(), s.size());
}
std::wstring widen_convert_buffer(const std::string& s)
{
std::array<wchar_t, 200> out;
const auto* result = boost::nowide::utf::convert_buffer(out.data(), out.size(), s.data(), s.data() + s.size());
TEST(result == out.data());
return result;
}
std::string narrow_convert_buffer(const std::wstring& s)
{
std::array<char, 200> out;
const auto* result = boost::nowide::utf::convert_buffer(out.data(), out.size(), s.data(), s.data() + s.size());
TEST(result == out.data());
return result;
}
#ifdef BOOST_NOWIDE_TEST_STD_STRINGVIEW
#define ASSERT_RETURN_TYPE_SV(FUNCTION, CHAR_INPUT, OUTPUT) \
static_assert(std::is_same<decltype(FUNCTION(std::declval<std::basic_string_view<CHAR_INPUT>>())), OUTPUT>::value, \
"Should be " #OUTPUT);
#else
#define ASSERT_RETURN_TYPE_SV(FUNCTION, CHAR_INPUT, OUTPUT)
#endif
// Check that the functions are callable with various types
#define ASSERT_RETURN_TYPE(FUNCTION, CHAR_INPUT, OUTPUT) \
ASSERT_RETURN_TYPE_SV(FUNCTION, CHAR_INPUT, OUTPUT) \
static_assert(std::is_same<decltype(FUNCTION(std::declval<const CHAR_INPUT*>())), OUTPUT>::value, \
"Should be " #OUTPUT); \
static_assert(std::is_same<decltype(FUNCTION(std::declval<const CHAR_INPUT*>(), size_t{})), OUTPUT>::value, \
"Should be " #OUTPUT); \
static_assert(std::is_same<decltype(FUNCTION(std::declval<std::basic_string<CHAR_INPUT>>())), OUTPUT>::value, \
"Should be " #OUTPUT)
ASSERT_RETURN_TYPE(boost::nowide::widen, char, std::wstring);
#ifdef __cpp_char8_t
ASSERT_RETURN_TYPE(boost::nowide::widen, char8_t, std::wstring);
#endif
ASSERT_RETURN_TYPE(boost::nowide::narrow, wchar_t, std::string);
ASSERT_RETURN_TYPE(boost::nowide::narrow, char16_t, std::string);
ASSERT_RETURN_TYPE(boost::nowide::narrow, char32_t, std::string);
#ifdef BOOST_NOWIDE_TEST_STD_STRINGVIEW
std::wstring widen_string_view(const std::string& s)
{
return boost::nowide::widen(std::string_view(s));
}
std::string narrow_string_view(const std::wstring& s)
{
return boost::nowide::narrow(std::wstring_view(s));
}
#endif
// coverity[root_function]
void test_main(int, char**, char**)
{
std::string hello = "\xd7\xa9\xd7\x9c\xd7\x95\xd7\x9d";
std::wstring whello = L"\u05e9\u05dc\u05d5\u05dd";
std::wstring whello_3e = L"\u05e9\u05dc\u05d5\ufffd";
std::wstring whello_3 = L"\u05e9\u05dc\u05d5";
std::cout << "- boost::nowide::widen" << std::endl;
{
const char* b = hello.c_str();
const char* e = b + hello.size();
wchar_t buf[6] = {0, 0, 0, 0, 0, 1};
TEST(boost::nowide::widen(buf, 5, b, e) == buf);
TEST(buf == whello);
TEST(buf[5] == 1);
TEST(boost::nowide::widen(buf, 4, b, e) == 0);
TEST(boost::nowide::widen(buf, 5, b, e - 1) == buf);
TEST(buf == whello_3e);
TEST(boost::nowide::widen(buf, 5, b, e - 2) == buf);
TEST(buf == whello_3);
TEST(boost::nowide::widen(buf, 5, b, b) == buf && buf[0] == 0);
TEST(boost::nowide::widen(buf, 5, b, b + 2) == buf && buf[1] == 0 && buf[0] == whello[0]);
// Raw literals are also possible
TEST(boost::nowide::widen("\xd7\xa9\xd7\x9c\xd7\x95\xd7\x9d") == whello);
}
std::cout << "- boost::nowide::narrow" << std::endl;
{
const wchar_t* b = whello.c_str();
const wchar_t* e = b + whello.size(); //-V594
char buf[10] = {0};
buf[9] = 1;
TEST(boost::nowide::narrow(buf, 9, b, e) == buf);
TEST(buf == hello);
TEST(buf[9] == 1);
TEST(boost::nowide::narrow(buf, 8, b, e) == 0);
TEST(boost::nowide::narrow(buf, 7, b, e - 1) == buf);
TEST_EQ(buf, hello.substr(0, 6));
// Raw literals are also possible
TEST_EQ(boost::nowide::narrow(L"\u05e9\u05dc\u05d5\u05dd"), hello);
}
std::cout << "- boost::nowide::utf::convert_buffer" << std::endl;
{
std::array<wchar_t, 6> buf;
const char* b = hello.c_str();
const char* e = b + hello.size();
using boost::nowide::utf::convert_buffer;
// Buffer to small (need 5 chars) -> nullptr returned
for(size_t len = 0; len <= 4; ++len)
TEST(convert_buffer(buf.data(), len, b, e) == nullptr);
buf.fill(42);
TEST(convert_buffer(buf.data(), buf.size(), b, e) == buf.data());
TEST(buf[4] == 0); // NULL terminator added
TEST(buf.back() == 42); // Rest untouched
TEST(std::wstring(buf.data()) == whello);
}
namespace utf = boost::nowide::utf;
// Decode of empty range yields incomplete
auto helloIt = hello.begin();
TEST_EQ(utf::utf_traits<char>::decode(helloIt, helloIt), utf::incomplete);
TEST_EQ(utf::utf_traits<char16_t>::decode(helloIt, helloIt), utf::incomplete);
TEST_EQ(utf::utf_traits<char32_t>::decode(helloIt, helloIt), utf::incomplete);
std::cout << "- (output_buffer, buffer_size, input_raw_string)" << std::endl;
run_all(widen_buf_ptr, narrow_buf_ptr);
std::cout << "- (output_buffer, buffer_size, input_raw_string, string_len)" << std::endl;
run_all(widen_buf_range, narrow_buf_range);
std::cout << "- (input_raw_string)" << std::endl;
run_all(widen_raw_string, narrow_raw_string);
std::cout << "- (input_raw_string, size)" << std::endl;
run_all(widen_raw_string_and_size, narrow_raw_string_and_size);
std::cout << "- (const std::string&)" << std::endl;
run_all(boost::nowide::widen, boost::nowide::narrow);
#ifdef BOOST_NOWIDE_TEST_STD_STRINGVIEW
std::cout << "- (std::string_view)" << std::endl;
run_all(widen_string_view, narrow_string_view);
#endif
std::cout << "- (utf::convert_buffer)" << std::endl;
run_all(widen_convert_buffer, narrow_convert_buffer);
}
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