219 lines
7 KiB
C++
219 lines
7 KiB
C++
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#include <cassert>
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#include <vector>
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#include <iterator>
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#include "../../source/utf8.h"
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using namespace utf8;
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using namespace std;
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int main()
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{
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//append
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unsigned char u[5] = {0,0,0,0,0};
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unsigned char* end = append(0x0448, u);
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assert (u[0] == 0xd1 && u[1] == 0x88 && u[2] == 0 && u[3] == 0 && u[4] == 0);
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end = append(0x65e5, u);
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assert (u[0] == 0xe6 && u[1] == 0x97 && u[2] == 0xa5 && u[3] == 0 && u[4] == 0);
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end = append(0x3044, u);
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assert (u[0] == 0xe3 && u[1] == 0x81 && u[2] == 0x84 && u[3] == 0 && u[4] == 0);
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end = append(0x10346, u);
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assert (u[0] == 0xf0 && u[1] == 0x90 && u[2] == 0x8d && u[3] == 0x86 && u[4] == 0);
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//next
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char* twochars = "\xe6\x97\xa5\xd1\x88";
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char* w = twochars;
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int cp = next(w, twochars + 6);
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assert (cp == 0x65e5);
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assert (w == twochars + 3);
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char* threechars = "\xf0\x90\x8d\x86\xe6\x97\xa5\xd1\x88";
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w = threechars;
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cp = next(w, threechars + 9);
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assert (cp == 0x10346);
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assert (w == threechars + 4);
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cp = next(w, threechars + 9);
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assert (cp == 0x65e5);
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assert (w == threechars + 7);
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cp = next(w, threechars + 9);
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assert (cp == 0x0448);
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assert (w == threechars + 9);
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//previous
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w = twochars + 3;
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cp = previous (w, twochars - 1);
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assert (cp == 0x65e5);
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assert (w == twochars);
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w = threechars + 9;
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cp = previous(w, threechars - 1);
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assert (cp == 0x0448);
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assert (w == threechars + 7);
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cp = previous(w, threechars -1);
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assert (cp == 0x65e5);
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assert (w == threechars + 4);
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cp = previous(w, threechars - 1);
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assert (cp == 0x10346);
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assert (w == threechars);
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// advance
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w = twochars;
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advance (w, 2, twochars + 6);
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assert (w == twochars + 5);
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// distance
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size_t dist = utf8::distance(twochars, twochars + 5);
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assert (dist == 2);
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// utf32to8
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int utf32string[] = {0x448, 0x65E5, 0x10346, 0};
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vector<char> utf8result;
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utf32to8(utf32string, utf32string + 3, back_inserter(utf8result));
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assert (utf8result.size() == 9);
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// try it with the return value;
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char* utf8_end = utf32to8(utf32string, utf32string + 3, &utf8result[0]);
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assert (utf8_end == &utf8result[0] + 9);
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//utf8to32
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vector<int> utf32result;
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utf8to32(twochars, twochars + 5, back_inserter(utf32result));
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assert (utf32result.size() == 2);
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// try it with the return value;
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int* utf32_end = utf8to32(twochars, twochars + 5, &utf32result[0]);
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assert (utf32_end == &utf32result[0] + 2);
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//utf16to8
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unsigned short utf16string[] = {0x41, 0x0448, 0x65e5, 0xd834, 0xdd1e};
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utf8result.clear();
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utf16to8(utf16string, utf16string + 5, back_inserter(utf8result));
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assert (utf8result.size() == 10);
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// try it with the return value;
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utf8_end = utf16to8 (utf16string, utf16string + 5, &utf8result[0]);
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assert (utf8_end == &utf8result[0] + 10);
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//utf8to16
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char utf8_with_surrogates[] = "\xe6\x97\xa5\xd1\x88\xf0\x9d\x84\x9e";
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vector <unsigned short> utf16result;
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utf8to16(utf8_with_surrogates, utf8_with_surrogates + 9, back_inserter(utf16result));
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assert (utf16result.size() == 4);
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assert (utf16result[2] == 0xd834);
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assert (utf16result[3] == 0xdd1e);
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// try it with the return value;
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unsigned short* utf16_end = utf8to16 (utf8_with_surrogates, utf8_with_surrogates + 9, &utf16result[0]);
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assert (utf16_end == &utf16result[0] + 4);
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//find_invalid
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char utf_invalid[] = "\xe6\x97\xa5\xd1\x88\xfa";
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char* invalid = find_invalid(utf_invalid, utf_invalid + 6);
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assert (invalid == utf_invalid + 5);
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//is_valid
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bool bvalid = is_valid(utf_invalid, utf_invalid + 6);
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assert (bvalid == false);
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bvalid = is_valid(utf8_with_surrogates, utf8_with_surrogates + 9);
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assert (bvalid == true);
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//is_bom
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unsigned char byte_order_mark[] = {0xef, 0xbb, 0xbf};
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bool bbom = is_bom(byte_order_mark);
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assert (bbom == true);
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//////////////////////////////////////////////////////////
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//// Unchecked variants
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//////////////////////////////////////////////////////////
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//append
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memset(u, 0, 5);
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end = unchecked::append(0x0448, u);
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assert (u[0] == 0xd1 && u[1] == 0x88 && u[2] == 0 && u[3] == 0 && u[4] == 0);
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end = unchecked::append(0x65e5, u);
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assert (u[0] == 0xe6 && u[1] == 0x97 && u[2] == 0xa5 && u[3] == 0 && u[4] == 0);
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end = unchecked::append(0x10346, u);
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assert (u[0] == 0xf0 && u[1] == 0x90 && u[2] == 0x8d && u[3] == 0x86 && u[4] == 0);
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//next
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w = twochars;
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cp = unchecked::next(w);
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assert (cp == 0x65e5);
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assert (w == twochars + 3);
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w = threechars;
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cp = unchecked::next(w);
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assert (cp == 0x10346);
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assert (w == threechars + 4);
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cp = unchecked::next(w);
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assert (cp == 0x65e5);
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assert (w == threechars + 7);
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cp = unchecked::next(w);
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assert (cp == 0x0448);
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assert (w == threechars + 9);
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//previous
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w = twochars + 3;
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cp = unchecked::previous (w);
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assert (cp == 0x65e5);
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assert (w == twochars);
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w = threechars + 9;
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cp = unchecked::previous(w);
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assert (cp == 0x0448);
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assert (w == threechars + 7);
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cp = unchecked::previous(w);
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assert (cp == 0x65e5);
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assert (w == threechars + 4);
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cp = unchecked::previous(w);
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assert (cp == 0x10346);
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assert (w == threechars);
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// advance
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w = twochars;
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unchecked::advance (w, 2);
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assert (w == twochars + 5);
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// distance
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dist = unchecked::distance(twochars, twochars + 5);
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assert (dist == 2);
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// utf32to8
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utf8result.clear();
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unchecked::utf32to8(utf32string, utf32string + 3, back_inserter(utf8result));
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assert (utf8result.size() == 9);
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// try it with the return value;
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utf8_end = utf32to8(utf32string, utf32string + 3, &utf8result[0]);
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assert(utf8_end == &utf8result[0] + 9);
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//utf8to32
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utf32result.clear();
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unchecked::utf8to32(twochars, twochars + 5, back_inserter(utf32result));
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assert (utf32result.size() == 2);
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// try it with the return value;
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utf32_end = utf8to32(twochars, twochars + 5, &utf32result[0]);
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assert (utf32_end == &utf32result[0] + 2);
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//utf16to8
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utf8result.clear();
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unchecked::utf16to8(utf16string, utf16string + 5, back_inserter(utf8result));
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assert (utf8result.size() == 10);
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// try it with the return value;
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utf8_end = utf16to8 (utf16string, utf16string + 5, &utf8result[0]);
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assert (utf8_end == &utf8result[0] + 10);
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//utf8to16
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utf16result.clear();
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unchecked::utf8to16(utf8_with_surrogates, utf8_with_surrogates + 9, back_inserter(utf16result));
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assert (utf16result.size() == 4);
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assert (utf16result[2] == 0xd834);
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assert (utf16result[3] == 0xdd1e);
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// try it with the return value;
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utf16_end = utf8to16 (utf8_with_surrogates, utf8_with_surrogates + 9, &utf16result[0]);
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assert (utf16_end == &utf16result[0] + 4);
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}
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