236 lines
6.1 KiB
C++
236 lines
6.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <codecvt>
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// template <class Elem, unsigned long Maxcode = 0x10ffff,
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// codecvt_mode Mode = (codecvt_mode)0>
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// class codecvt_utf8_utf16
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// : public codecvt<Elem, char, mbstate_t>
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// {
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// // unspecified
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// };
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// int length(stateT& state, const externT* from, const externT* from_end,
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// size_t max) const;
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#include <codecvt>
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#include <cassert>
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int main()
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{
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{
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typedef std::codecvt_utf8_utf16<wchar_t> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 4);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<wchar_t, 0x1000> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 0);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 0);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<wchar_t, 0x10ffff, std::consume_header> C;
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C c;
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char n[7] = {char(0xEF), char(0xBB), char(0xBF), char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+7, 2);
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assert(r == 7);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char32_t> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 4);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char32_t, 0x1000> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 0);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 0);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char32_t, 0x10ffff, std::consume_header> C;
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C c;
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char n[7] = {char(0xEF), char(0xBB), char(0xBF), char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+7, 2);
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assert(r == 7);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char16_t> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 4);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char16_t, 0x1000> C;
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C c;
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char n[4] = {char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+4, 2);
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assert(r == 0);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 0);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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{
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typedef std::codecvt_utf8_utf16<char16_t, 0x10ffff, std::consume_header> C;
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C c;
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char n[7] = {char(0xEF), char(0xBB), char(0xBF), char(0xF1), char(0x80), char(0x80), char(0x83)};
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std::mbstate_t m;
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int r = c.length(m, n, n+7, 2);
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assert(r == 7);
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n[0] = char(0xE1);
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n[1] = char(0x80);
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n[2] = char(0x85);
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r = c.length(m, n, n+3, 2);
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assert(r == 3);
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n[0] = char(0xD1);
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n[1] = char(0x93);
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r = c.length(m, n, n+2, 2);
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assert(r == 2);
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n[0] = char(0x56);
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r = c.length(m, n, n+1, 2);
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assert(r == 1);
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}
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}
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