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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)
//
#ifndef BOOST_LOCALE_TEST_H
#define BOOST_LOCALE_TEST_H
#include <stdexcept>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdlib>
int error_counter=0;
int test_counter=0;
#ifndef BOOST_LOCALE_ERROR_LIMIT
#define BOOST_LOCALE_ERROR_LIMIT 20
#endif
#define THROW_IF_TOO_BIG(X) \
do { \
if((X) > BOOST_LOCALE_ERROR_LIMIT) \
throw std::runtime_error("Error limits reached, stopping unit test"); \
}while(0)
#define TEST(X) \
do { \
test_counter++; \
if(X) break; \
std::cerr << "Error in line:"<<__LINE__ << " "#X << std::endl; \
THROW_IF_TOO_BIG(error_counter++); \
}while(0)
#endif
#define TEST_THROWS(X,E) \
do { \
test_counter++; \
try { X; } catch(E const &/*e*/ ) {break;} catch(...){} \
std::cerr << "Error in line:"<<__LINE__ << " "#X << std::endl; \
THROW_IF_TOO_BIG(error_counter++); \
}while(0)
#define FINALIZE() \
do { \
int passed=test_counter - error_counter; \
std::cout << std::endl; \
std::cout << "Passed "<<passed<<" tests" << std::endl; \
if(error_counter >0 ) { \
std::cout << "Failed "<<error_counter<<" tests"<<std::endl; \
} \
std::cout <<" "<< std::fixed << std::setprecision(1) \
<< std::setw(5) << 100.0 * passed / test_counter << \
"% of tests completed sucsessefully" << std::endl; \
return error_counter == 0 ? EXIT_SUCCESS : EXIT_FAILURE ; \
}while(0)
inline unsigned utf8_next(std::string const &s,unsigned &pos)
{
unsigned c=(unsigned char)s[pos++];
if( (unsigned char)(c - 0xc0) >= 0x35)
return c;
unsigned l;
if(c < 192)
l = 0;
else if(c < 224)
l = 1;
else if(c < 240)
l = 2;
else
l = 3;
c&=(1<<(6-l))-1;
switch(l) {
case 3:
c = (c << 6) | (((unsigned char)s[pos++]) & 0x3F);
case 2:
c = (c << 6) | (((unsigned char)s[pos++]) & 0x3F);
case 1:
c = (c << 6) | (((unsigned char)s[pos++]) & 0x3F);
}
return c;
}
template<typename Char>
std::basic_string<Char> to(std::string const &utf8)
{
std::basic_string<Char> out;
unsigned i=0;
while(i<utf8.size()) {
unsigned point;
unsigned prev=i;
point = utf8_next(utf8,i);
if(sizeof(Char)==1 && point > 255) {
std::ostringstream ss;
ss << "Can't convert codepoint U" << std::hex << point <<"(" <<std::string(utf8.begin()+prev,utf8.begin()+i)<<") to Latin1";
throw std::runtime_error(ss.str());
}
else if(sizeof(Char)==2 && point >0xFFFF) { // Deal with surragates
point-=0x10000;
out+=static_cast<Char>(0xD800 | (point>>10));
out+=static_cast<Char>(0xDC00 | (point & 0x3FF));
continue;
}
out+=static_cast<Char>(point);
}
return out;
}
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
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