CMake/Source/kwsys/testEncoding.cxx
Brad King 7f307d9ea6 Merge branch 'upstream-KWSys' into update-kwsys
* upstream-KWSys:
  KWSys 2016-12-02 (4967ccc0)
2016-12-05 09:55:34 -05:00

202 lines
6.0 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing#kwsys for details. */
#include "kwsysPrivate.h"
#if defined(_MSC_VER)
#pragma warning(disable : 4786)
#endif
#include KWSYS_HEADER(Encoding.hxx)
#include KWSYS_HEADER(Encoding.h)
#include <algorithm>
#include <iostream>
#include <locale.h>
#include <stdlib.h>
#include <string.h>
// Work-around CMake dependency scanning limitation. This must
// duplicate the above list of headers.
#if 0
#include "Encoding.h.in"
#include "Encoding.hxx.in"
#endif
//----------------------------------------------------------------------------
static const unsigned char helloWorldStrings[][32] = {
// English
{ 'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd', 0 },
// Japanese
{ 0xE3, 0x81, 0x93, 0xE3, 0x82, 0x93, 0xE3, 0x81, 0xAB, 0xE3, 0x81,
0xA1, 0xE3, 0x81, 0xAF, 0xE4, 0xB8, 0x96, 0xE7, 0x95, 0x8C, 0 },
// Arabic
{ 0xD9, 0x85, 0xD8, 0xB1, 0xD8, 0xAD, 0xD8, 0xA8, 0xD8, 0xA7, 0x20, 0xD8,
0xA7, 0xD9, 0x84, 0xD8, 0xB9, 0xD8, 0xA7, 0xD9, 0x84, 0xD9, 0x85, 0 },
// Yiddish
{ 0xD7, 0x94, 0xD7, 0xA2, 0xD7, 0x9C, 0xD7, 0x90, 0x20, 0xD7,
0x95, 0xD7, 0x95, 0xD7, 0xA2, 0xD7, 0x9C, 0xD7, 0x98, 0 },
// Russian
{ 0xD0, 0xBF, 0xD1, 0x80, 0xD0, 0xB8, 0xD0, 0xB2, 0xD0, 0xB5,
0xD1, 0x82, 0x20, 0xD0, 0xBC, 0xD0, 0xB8, 0xD1, 0x80, 0 },
// Latin
{ 0x4D, 0x75, 0x6E, 0x64, 0x75, 0x73, 0x20, 0x73, 0x61, 0x6C, 0x76, 0x65,
0 },
// Swahili
{ 0x68, 0x75, 0x6A, 0x61, 0x6D, 0x62, 0x6F, 0x20, 0x44, 0x75, 0x6E, 0x69,
0x61, 0 },
// Icelandic
{ 0x48, 0x61, 0x6C, 0x6C, 0xC3, 0xB3, 0x20, 0x68, 0x65, 0x69, 0x6D, 0x75,
0x72, 0 },
{ 0 }
};
//----------------------------------------------------------------------------
static int testHelloWorldEncoding()
{
int ret = 0;
for (int i = 0; helloWorldStrings[i][0] != 0; i++) {
std::string str = reinterpret_cast<const char*>(helloWorldStrings[i]);
std::cout << str << std::endl;
std::wstring wstr = kwsys::Encoding::ToWide(str);
std::string str2 = kwsys::Encoding::ToNarrow(wstr);
wchar_t* c_wstr = kwsysEncoding_DupToWide(str.c_str());
char* c_str2 = kwsysEncoding_DupToNarrow(c_wstr);
if (!wstr.empty() && (str != str2 || strcmp(c_str2, str.c_str()))) {
std::cout << "converted string was different: " << str2 << std::endl;
std::cout << "converted string was different: " << c_str2 << std::endl;
ret++;
}
free(c_wstr);
free(c_str2);
}
return ret;
}
static int testRobustEncoding()
{
// test that the conversion functions handle invalid
// unicode correctly/gracefully
int ret = 0;
char cstr[] = { (char)-1, 0 };
// this conversion could fail
std::wstring wstr = kwsys::Encoding::ToWide(cstr);
wstr = kwsys::Encoding::ToWide(NULL);
if (wstr != L"") {
const wchar_t* wcstr = wstr.c_str();
std::cout << "ToWide(NULL) returned";
for (size_t i = 0; i < wstr.size(); i++) {
std::cout << " " << std::hex << (int)wcstr[i];
}
std::cout << std::endl;
ret++;
}
wstr = kwsys::Encoding::ToWide("");
if (wstr != L"") {
const wchar_t* wcstr = wstr.c_str();
std::cout << "ToWide(\"\") returned";
for (size_t i = 0; i < wstr.size(); i++) {
std::cout << " " << std::hex << (int)wcstr[i];
}
std::cout << std::endl;
ret++;
}
#ifdef _WIN32
// 16 bit wchar_t - we make an invalid surrogate pair
wchar_t cwstr[] = { 0xD801, 0xDA00, 0 };
// this conversion could fail
std::string win_str = kwsys::Encoding::ToNarrow(cwstr);
#endif
std::string str = kwsys::Encoding::ToNarrow(NULL);
if (str != "") {
std::cout << "ToNarrow(NULL) returned " << str << std::endl;
ret++;
}
str = kwsys::Encoding::ToNarrow(L"");
if (wstr != L"") {
std::cout << "ToNarrow(\"\") returned " << str << std::endl;
ret++;
}
return ret;
}
static int testWithNulls()
{
int ret = 0;
std::vector<std::string> strings;
strings.push_back(std::string("ab") + '\0' + 'c');
strings.push_back(std::string("d") + '\0' + '\0' + 'e');
strings.push_back(std::string() + '\0' + 'f');
strings.push_back(std::string() + '\0' + '\0' + "gh");
strings.push_back(std::string("ij") + '\0');
strings.push_back(std::string("k") + '\0' + '\0');
strings.push_back(std::string("\0\0\0\0", 4) + "lmn" +
std::string("\0\0\0\0", 4));
for (std::vector<std::string>::iterator it = strings.begin();
it != strings.end(); ++it) {
std::wstring wstr = kwsys::Encoding::ToWide(*it);
std::string str = kwsys::Encoding::ToNarrow(wstr);
std::string s(*it);
std::replace(s.begin(), s.end(), '\0', ' ');
std::cout << "'" << s << "' (" << it->size() << ")" << std::endl;
if (str != *it) {
std::replace(str.begin(), str.end(), '\0', ' ');
std::cout << "string with null was different: '" << str << "' ("
<< str.size() << ")" << std::endl;
ret++;
}
}
return ret;
}
static int testCommandLineArguments()
{
int status = 0;
char const* argv[2] = { "./app.exe", (char const*)helloWorldStrings[1] };
kwsys::Encoding::CommandLineArguments args(2, argv);
kwsys::Encoding::CommandLineArguments arg2 =
kwsys::Encoding::CommandLineArguments(args);
char const* const* u8_argv = args.argv();
for (int i = 0; i < args.argc(); i++) {
char const* u8_arg = u8_argv[i];
if (strcmp(argv[i], u8_arg) != 0) {
std::cout << "argv[" << i << "] " << argv[i] << " != " << u8_arg
<< std::endl;
status++;
}
}
kwsys::Encoding::CommandLineArguments args3 =
kwsys::Encoding::CommandLineArguments::Main(2, argv);
return status;
}
//----------------------------------------------------------------------------
int testEncoding(int, char* [])
{
const char* loc = setlocale(LC_ALL, "");
if (loc) {
std::cout << "Locale: " << loc << std::endl;
} else {
std::cout << "Locale: None" << std::endl;
}
int ret = 0;
ret |= testHelloWorldEncoding();
ret |= testRobustEncoding();
ret |= testCommandLineArguments();
ret |= testWithNulls();
return ret;
}