ClickHouse/dbms/src/IO/tests/valid_utf8.cpp

#include <DB/IO/WriteBufferValidUTF8.h>
#include <DB/IO/WriteBufferFromString.h>
#include <DB/IO/ReadHelpers.h>
#include <DB/IO/WriteHelpers.h>
#include <string>
#include <streambuf>
#include <iostream>
#include <cstdio>

int main(int argc, char ** argv)
{
	try
	{
		std::string test1 = "kjhsgdfkjhg2378rtzgvxkz877%^&^*%&^*&*";
		std::string test2 = "{\"asd\" = \"qw1\",\"qwe24\" = \"3asd\"}";
		test2[test2.find("1")] = 127 + 64;
		test2[test2.find("2")] = 127 + 64 + 32;
		test2[test2.find("3")] = 127 + 64 + 32 + 16;
		test2[test2.find("4")] = 127 + 64 + 32 + 16 + 8;
		
		std::string str;
		{
			DB::WriteBufferFromString str_buf(str);
			{
				DB::WriteBufferValidUTF8 utf_buf(str_buf, true, "-");
				DB::writeEscapedString(test1, utf_buf);
			}
		}
		std::cout << str << std::endl;
		
		str = "";
		{
			DB::WriteBufferFromString str_buf(str);
			{
				DB::WriteBufferValidUTF8 utf_buf(str_buf, true, "-");
				DB::writeEscapedString(test2, utf_buf);
			}
		}
		std::cout << str << std::endl;
	}
	catch (const DB::Exception & e)
	{
		std::cerr << e.what() << ", " << e.displayText() << std::endl;
		return 1;
	}
	
	return 0;
}