188 lines
5.6 KiB
C
188 lines
5.6 KiB
C
/*
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* Copyright © 2014 Ran Benita <ran234@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "config.h"
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#include <assert.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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#include "utf8.h"
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#include "utils.h"
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#define VALID(lit) assert(is_valid_utf8(lit, sizeof(lit)-1))
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#define INVALID(lit) assert(!is_valid_utf8(lit, sizeof(lit)-1))
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static void
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test_is_valid_utf8(void)
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{
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/*
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* Mostly taken from:
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* https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt
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*/
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VALID("ascii");
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VALID("\xCE\xBA\xE1\xBD\xB9\xCF\x83\xCE\xBC\xCE\xB5");
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VALID("");
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VALID("\x00");
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VALID("\x00\x00");
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VALID("\x50");
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VALID("\xC2\x80");
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VALID("\xE0\xA0\x80");
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VALID("\xF0\x90\x80\x80");
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/* 5/6-byte continuations aren't allowed (unlike UTF-8-test). */
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INVALID("\xF8\x88\x80\x80\x80");
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INVALID("\xFC\x84\x80\x80\x80\x80");
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VALID("\x7F");
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VALID("\xDF\xBF");
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VALID("\xEF\xBF\xBF");
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/* VALID("\xF7\xBF\xBF\xBF"); */
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/* 5/6-byte continuations aren't allowed (unlike UTF-8-test). */
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INVALID("\xFB\xBF\xBF\xBF\xBF");
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INVALID("\xFD\xBFxBF\xBF\xBF");
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VALID("\xED\x9F\xBF");
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VALID("\xEE\x80\x80");
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VALID("\xEF\xBF\xBD");
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VALID("\xF4\x8F\xBF\xBF");
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/* VALID("\xF4\x90\x80\x80"); */
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INVALID("\x80");
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INVALID("\xBF");
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INVALID("\x80\xBF");
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INVALID("\x80\xBF\x80");
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INVALID("\x80\xBF\x80\xBF");
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INVALID("\x80\xBF\x80\xBF\x80");
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INVALID("\x80\xBF\x80\xBF\x80\xBF");
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INVALID("\x80\xBF\x80\xBF\x80\xBF\x80");
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INVALID("\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F"
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"\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F"
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"\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF"
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"\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF");
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INVALID("\xC0 \xC1 \xC2 \xC3 \xC4 \xC5 \xC6 \xC7 \xC8 \xC9 \xCA \xCB \xCC "
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"\xCD \xCE \xCF "
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"\xD0 \xD1 \xD2 \xD3 \xD4 \xD5 \xD6 \xD7 \xD8 \xD9 \xDA \xDB \xDD "
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"\xDD \xDE \xDF ");
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INVALID("\xF0 \xF1 \xF2 \xF3 \xF4 \xF5 \xF6 \xF7 ");
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INVALID("\xF8 \xF9 \xFA \xFB ");
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INVALID("\xFC \xFD ");
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INVALID("\xC0");
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INVALID("\xE0\x80");
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INVALID("\xF0\x80\x80");
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INVALID("\xF8\x80\x80\x80");
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INVALID("\xFC\x80\x80\x80\x80");
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INVALID("\xDF");
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INVALID("\xEF\xBF");
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INVALID("\xF7\xBF\xBF");
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INVALID("\xFB\xBF\xBF\xBF");
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INVALID("\xFD\xBF\xBF\xBF\xBF");
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INVALID("\xC0\xE0\x80\xF0\x80\x80\xF8\x80\x80\x80\xFC\x80\x80\x80\x80"
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"\xDF\xEF\xBF\xF7\xBF\xBF\xFB\xBF\xBF\xBF\xFD\xBF\xBF\xBF\xBF");
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INVALID("\xFE");
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INVALID("\xFF");
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INVALID("\xFE\xFE\xFF\xFF");
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INVALID("\xC0\xAF");
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INVALID("\xE0\x80\xAF");
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INVALID("\xF0\x80\x80\xAF");
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INVALID("\xF8\x80\x80\x80\xAF");
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INVALID("\xFC\x80\x80\x80\x80\xAF");
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INVALID("\xC1\xBF");
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INVALID("\xE0\x9F\xBF");
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INVALID("\xF0\x8F\xBF\xBF");
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INVALID("\xF8\x87\xBF\xBF\xBF");
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INVALID("\xFC\x83\xBF\xBF\xBF\xBF");
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INVALID("\xC0\x80");
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INVALID("\xE0\x80\x80");
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INVALID("\xF0\x80\x80\x80");
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INVALID("\xF8\x80\x80\x80\x80");
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INVALID("\xFC\x80\x80\x80\x80\x80");
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INVALID("\xED\xA0\x80");
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INVALID("\xED\xAD\xBF");
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INVALID("\xED\xAE\x80");
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INVALID("\xED\xAF\xBF");
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INVALID("\xED\xB0\x80");
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INVALID("\xED\xBE\x80");
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INVALID("\xED\xBF\xBF");
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INVALID("\xED\xA0\x80\xED\xB0\x80");
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INVALID("\xED\xA0\x80\xED\xBF\xBF");
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INVALID("\xED\xAD\xBF\xED\xB0\x80");
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INVALID("\xED\xAD\xBF\xED\xBF\xBF");
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INVALID("\xED\xAE\x80\xED\xB0\x80");
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INVALID("\xED\xAE\x80\xED\xBF\xBF");
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INVALID("\xED\xAF\xBF\xED\xB0\x80");
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INVALID("\xED\xAF\xBF\xED\xBF\xBF");
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/* INVALID("\xEF\xBF\xBE"); */
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/* INVALID("\xEF\xBF\xBF"); */
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}
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static void
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check_utf32_to_utf8(uint32_t unichar, int expected_length, const char *expected) {
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char buffer[7];
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int length;
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length = utf32_to_utf8(unichar, buffer);
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assert(length == expected_length);
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assert(streq(buffer, expected));
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}
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static void
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test_utf32_to_utf8(void)
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{
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check_utf32_to_utf8(0x0, 2, "");
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check_utf32_to_utf8(0x40, 2, "\x40");
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check_utf32_to_utf8(0xA1, 3, "\xc2\xa1");
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check_utf32_to_utf8(0x2701, 4, "\xe2\x9c\x81");
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check_utf32_to_utf8(0xd800, 0, ""); // Unicode surrogates
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check_utf32_to_utf8(0xdfff, 0, ""); // Unicode surrogates
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check_utf32_to_utf8(0x1f004, 5, "\xf0\x9f\x80\x84");
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check_utf32_to_utf8(0x110000, 0, "");
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check_utf32_to_utf8(0xffffffff, 0, "");
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}
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int
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main(void)
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{
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test_is_valid_utf8();
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test_utf32_to_utf8();
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return 0;
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}
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