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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#include "test_locale.hpp"
#include "test_locale_tools.hpp"
#include <boost/locale/utf.hpp>
#include <string.h>
using namespace boost::locale::utf;
char *make2(unsigned v)
{
static unsigned char buf[3] = {0};
buf[0] = 0xC0 | (v >> 6);
buf[1] = 0x80 | (v & 0x3F );
return reinterpret_cast<char*>(buf);
}
char *make3(unsigned v)
{
static unsigned char buf[4] = {0};
buf[0] = 0xE0 | ((v >> 12) ) ;
buf[1] = 0x80 | ((v >> 6) & 0x3F );
buf[2] = 0x80 | ((v >> 0) & 0x3F );
return reinterpret_cast<char*>(buf);
}
char *make4(unsigned v)
{
static unsigned char buf[5] = {0};
buf[0] = 0xF0 | ((v >> 18) ) ;
buf[1] = 0x80 | ((v >> 12) & 0x3F );
buf[2] = 0x80 | ((v >> 6) & 0x3F );
buf[3] = 0x80 | ((v >> 0) & 0x3F );
return reinterpret_cast<char*>(buf);
}
boost::uint32_t const *u32_seq(boost::uint32_t a)
{
static boost::uint32_t buf[2];
buf[0]=a;
buf[1]=0;
return buf;
}
boost::uint16_t const *u16_seq(boost::uint16_t a)
{
static boost::uint16_t buf[2];
buf[0]=a;
buf[1]=0;
return buf;
}
boost::uint16_t const *u16_seq(boost::uint16_t a,boost::uint16_t b)
{
static boost::uint16_t buf[3];
buf[0]=a;
buf[1]=b;
buf[2]=0;
return buf;
}
template<typename CharType>
void test_to(CharType const *s,unsigned codepoint)
{
CharType const *begin = s;
CharType const *end = begin;
while(*end)
end++;
typedef utf_traits<CharType> tr;
TEST(tr::max_width == 4 / sizeof(CharType));
TEST(tr::template decode<CharType const *>(begin,end) == codepoint);
if(codepoint == incomplete || codepoint != illegal)
TEST(end == begin);
if(codepoint == incomplete) {
TEST(*s== 0 || 0 < tr::trail_length(*s));
TEST(tr::trail_length(*s) + 1 > end - s);
}
if(codepoint != incomplete && codepoint != illegal) {
begin=s;
TEST(tr::is_lead(*begin));
TEST(!tr::is_trail(*begin));
begin++;
while(begin!=end) {
TEST(tr::is_trail(*begin));
TEST(!tr::is_lead(*begin));
begin++;
}
TEST(tr::width(codepoint)==end - s);
TEST(tr::trail_length(*s) == tr::width(codepoint) - 1);
begin = s;
TEST(tr::decode_valid(begin) == codepoint);
TEST(begin == end);
}
}
template<typename CharType>
void test_from(CharType const *str,unsigned codepoint)
{
CharType buf[5] = {1,1,1,1,1};
CharType *p=buf;
p = utf_traits<CharType>::template encode<CharType *>(codepoint,p);
CharType const *end = str;
while(*end)
end++;
TEST(end - str == p-buf );
TEST(*p);
*p=0;
TEST(memcmp(str,buf,sizeof(CharType) * (end-str))==0);
}
int main()
{
try {
std::cout << "Test UTF-8" << std::endl;
std::cout << "- From UTF-8" << std::endl;
std::cout << "-- Correct" << std::endl;
test_to("\x7f",0x7f);
test_to("\xc2\x80",0x80);
test_to("\xdf\xbf",0x7ff);
test_to("\xe0\xa0\x80",0x800);
test_to("\xef\xbf\xbf",0xffff);
test_to("\xf0\x90\x80\x80",0x10000);
test_to("\xf4\x8f\xbf\xbf",0x10ffff);
std::cout << "-- Too big" << std::endl;
test_to("\xf4\x9f\x80\x80",illegal); // 11 0000
test_to("\xfb\xbf\xbf\xbf",illegal); // 3ff ffff
test_to("\xf8\x90\x80\x80\x80",illegal); // 400 0000
test_to("\xfd\xbf\xbf\xbf\xbf\xbf",illegal); // 7fff ffff
std::cout << "-- Invalid length" << std::endl;
/// test that this actually works
test_to(make2(0x80),0x80);
test_to(make2(0x7ff),0x7ff);
test_to(make3(0x800),0x800);
test_to(make3(0xffff),0xffff);
test_to(make4(0x10000),0x10000);
test_to(make4(0x10ffff),0x10ffff);
test_to(make4(0x110000),illegal);
test_to(make4(0x1fffff),illegal);
test_to(make2(0),illegal);
test_to(make3(0),illegal);
test_to(make4(0),illegal);
test_to(make2(0x7f),illegal);
test_to(make3(0x7f),illegal);
test_to(make4(0x7f),illegal);
test_to(make3(0x80),illegal);
test_to(make4(0x80),illegal);
test_to(make3(0x7ff),illegal);
test_to(make4(0x7ff),illegal);
test_to(make4(0x8000),illegal);
test_to(make4(0xffff),illegal);
std::cout << "-- Invalid surrogate" << std::endl;
test_to(make3(0xd800),illegal);
test_to(make3(0xdbff),illegal);
test_to(make3(0xdc00),illegal);
test_to(make3(0xdfff),illegal);
test_to(make4(0xd800),illegal);
test_to(make4(0xdbff),illegal);
test_to(make4(0xdc00),illegal);
test_to(make4(0xdfff),illegal);
std::cout <<"-- Incomplete" << std::endl;
test_to("",incomplete);
test_to("\x80",illegal);
test_to("\xc2",incomplete);
test_to("\xdf",incomplete);
test_to("\xe0",incomplete);
test_to("\xe0\xa0",incomplete);
test_to("\xef\xbf",incomplete);
test_to("\xef",incomplete);
test_to("\xf0\x90\x80",incomplete);
test_to("\xf0\x90",incomplete);
test_to("\xf0",incomplete);
test_to("\xf4\x8f\xbf",incomplete);
test_to("\xf4\x8f",incomplete);
test_to("\xf4",incomplete);
std::cout << "- To UTF-8" << std::endl;
std::cout << "-- Test correct" << std::endl;
test_from("\x7f",0x7f);
test_from("\xc2\x80",0x80);
test_from("\xdf\xbf",0x7ff);
test_from("\xe0\xa0\x80",0x800);
test_from("\xef\xbf\xbf",0xffff);
test_from("\xf0\x90\x80\x80",0x10000);
test_from("\xf4\x8f\xbf\xbf",0x10ffff);
std::cout << "Test UTF-16" << std::endl;
std::cout << "- From UTF-16" << std::endl;
std::cout << "-- Correct" << std::endl;
test_to(u16_seq(0x10),0x10);
test_to(u16_seq(0xffff),0xffff);
test_to(u16_seq(0xD800,0xDC00),0x10000);
test_to(u16_seq(0xDBFF,0xDFFF),0x10FFFF);
std::cout << "-- Invalid surrogate" << std::endl;
test_to(u16_seq(0xDFFF),illegal);
test_to(u16_seq(0xDC00),illegal);
std::cout <<"-- Incomplete" << std::endl;
test_to(u16_seq(0),incomplete);
test_to(u16_seq(0xD800),incomplete);
test_to(u16_seq(0xDBFF),incomplete);
std::cout << "- To UTF-16" << std::endl;
std::cout << "-- Test correct" << std::endl;
test_to(u16_seq(0x10),0x10);
test_to(u16_seq(0xffff),0xffff);
test_to(u16_seq(0xD800,0xDC00),0x10000);
test_to(u16_seq(0xDBFF,0xDFFF),0x10FFFF);
std::cout << "Test UTF-32" << std::endl;
std::cout << "- From UTF-32" << std::endl;
std::cout << "-- Correct" << std::endl;
test_to(u32_seq(0x10),0x10);
test_to(u32_seq(0xffff),0xffff);
test_to(u32_seq(0x10000),0x10000);
test_to(u32_seq(0x10ffff),0x10ffff);
std::cout << "-- Invalid surrogate" << std::endl;
test_to(u32_seq(0xD800),illegal);
test_to(u32_seq(0xDBFF),illegal);
test_to(u32_seq(0xDFFF),illegal);
test_to(u32_seq(0xDC00),illegal);
test_to(u32_seq(0x110000),illegal);
std::cout <<"-- Incomplete" << std::endl;
test_to(u32_seq(0),incomplete);
std::cout << "- To UTF-32" << std::endl;
std::cout << "-- Test correct" << std::endl;
test_to(u32_seq(0x10),0x10);
test_to(u32_seq(0xffff),0xffff);
test_to(u32_seq(0x10ffff),0x10ffff);
}
catch(std::exception const &e) {
std::cerr << "Failed " << e.what() << std::endl;
return EXIT_FAILURE;
}
FINALIZE();
}
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
// boostinspect:noascii
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