diff options
Diffstat (limited to 'test/utf8.c')
| -rw-r--r-- | test/utf8.c | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/test/utf8.c b/test/utf8.c new file mode 100644 index 0000000..214e356 --- /dev/null +++ b/test/utf8.c @@ -0,0 +1,185 @@ +/* + * Copyright © 2014 Ran Benita <ran234@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "config.h" + +#include <assert.h> +#include <inttypes.h> +#include <stdbool.h> +#include <stddef.h> +#include <string.h> + +#include "utf8.h" +#include "utils.h" + +#define VALID(lit) assert(is_valid_utf8(lit, sizeof(lit)-1)) +#define INVALID(lit) assert(!is_valid_utf8(lit, sizeof(lit)-1)) + +static void +test_is_valid_utf8(void) +{ + /* + * Mostly taken from: + * https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt + */ + + VALID("ascii"); + VALID("\xCE\xBA\xE1\xBD\xB9\xCF\x83\xCE\xBC\xCE\xB5"); + + VALID(""); + VALID("\x00"); + VALID("\x00\x00"); + + VALID("\x50"); + VALID("\xC2\x80"); + VALID("\xE0\xA0\x80"); + VALID("\xF0\x90\x80\x80"); + + /* 5/6-byte continuations aren't allowed (unlike UTF-8-test). */ + INVALID("\xF8\x88\x80\x80\x80"); + INVALID("\xFC\x84\x80\x80\x80\x80"); + + VALID("\x7F"); + VALID("\xDF\xBF"); + VALID("\xEF\xBF\xBF"); + /* VALID("\xF7\xBF\xBF\xBF"); */ + + /* 5/6-byte continuations aren't allowed (unlike UTF-8-test). */ + INVALID("\xFB\xBF\xBF\xBF\xBF"); + INVALID("\xFD\xBFxBF\xBF\xBF"); + + VALID("\xED\x9F\xBF"); + VALID("\xEE\x80\x80"); + VALID("\xEF\xBF\xBD"); + VALID("\xF4\x8F\xBF\xBF"); + /* VALID("\xF4\x90\x80\x80"); */ + + INVALID("\x80"); + INVALID("\xBF"); + INVALID("\x80\xBF"); + INVALID("\x80\xBF\x80"); + INVALID("\x80\xBF\x80\xBF"); + INVALID("\x80\xBF\x80\xBF\x80"); + INVALID("\x80\xBF\x80\xBF\x80\xBF"); + INVALID("\x80\xBF\x80\xBF\x80\xBF\x80"); + INVALID("\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F" + "\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9A\x9B\x9C\x9D\x9E\x9F" + "\xA0\xA1\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9\xAA\xAB\xAC\xAD\xAE\xAF" + "\xB0\xB1\xB2\xB3\xB4\xB5\xB6\xB7\xB8\xB9\xBA\xBB\xBC\xBD\xBE\xBF"); + + INVALID("\xC0 \xC1 \xC2 \xC3 \xC4 \xC5 \xC6 \xC7 \xC8 \xC9 \xCA \xCB \xCC " + "\xCD \xCE \xCF " + "\xD0 \xD1 \xD2 \xD3 \xD4 \xD5 \xD6 \xD7 \xD8 \xD9 \xDA \xDB \xDD " + "\xDD \xDE \xDF "); + INVALID("\xF0 \xF1 \xF2 \xF3 \xF4 \xF5 \xF6 \xF7 "); + INVALID("\xF8 \xF9 \xFA \xFB "); + INVALID("\xFC \xFD "); + + INVALID("\xC0"); + INVALID("\xE0\x80"); + INVALID("\xF0\x80\x80"); + INVALID("\xF8\x80\x80\x80"); + INVALID("\xFC\x80\x80\x80\x80"); + INVALID("\xDF"); + INVALID("\xEF\xBF"); + INVALID("\xF7\xBF\xBF"); + INVALID("\xFB\xBF\xBF\xBF"); + INVALID("\xFD\xBF\xBF\xBF\xBF"); + + INVALID("\xC0\xE0\x80\xF0\x80\x80\xF8\x80\x80\x80\xFC\x80\x80\x80\x80" + "\xDF\xEF\xBF\xF7\xBF\xBF\xFB\xBF\xBF\xBF\xFD\xBF\xBF\xBF\xBF"); + + INVALID("\xFE"); + INVALID("\xFF"); + INVALID("\xFE\xFE\xFF\xFF"); + + INVALID("\xC0\xAF"); + INVALID("\xE0\x80\xAF"); + INVALID("\xF0\x80\x80\xAF"); + INVALID("\xF8\x80\x80\x80\xAF"); + INVALID("\xFC\x80\x80\x80\x80\xAF"); + + INVALID("\xC1\xBF"); + INVALID("\xE0\x9F\xBF"); + INVALID("\xF0\x8F\xBF\xBF"); + INVALID("\xF8\x87\xBF\xBF\xBF"); + INVALID("\xFC\x83\xBF\xBF\xBF\xBF"); + + INVALID("\xC0\x80"); + INVALID("\xE0\x80\x80"); + INVALID("\xF0\x80\x80\x80"); + INVALID("\xF8\x80\x80\x80\x80"); + INVALID("\xFC\x80\x80\x80\x80\x80"); + + INVALID("\xED\xA0\x80"); + INVALID("\xED\xAD\xBF"); + INVALID("\xED\xAE\x80"); + INVALID("\xED\xAF\xBF"); + INVALID("\xED\xB0\x80"); + INVALID("\xED\xBE\x80"); + INVALID("\xED\xBF\xBF"); + + INVALID("\xED\xA0\x80\xED\xB0\x80"); + INVALID("\xED\xA0\x80\xED\xBF\xBF"); + INVALID("\xED\xAD\xBF\xED\xB0\x80"); + INVALID("\xED\xAD\xBF\xED\xBF\xBF"); + INVALID("\xED\xAE\x80\xED\xB0\x80"); + INVALID("\xED\xAE\x80\xED\xBF\xBF"); + INVALID("\xED\xAF\xBF\xED\xB0\x80"); + INVALID("\xED\xAF\xBF\xED\xBF\xBF"); + + /* INVALID("\xEF\xBF\xBE"); */ + /* INVALID("\xEF\xBF\xBF"); */ +} + +static void +check_utf32_to_utf8(uint32_t unichar, int expected_length, const char *expected) { + char buffer[7]; + int length; + + length = utf32_to_utf8(unichar, buffer); + + assert(length == expected_length); + assert(streq(buffer, expected)); +} + +static void +test_utf32_to_utf8(void) +{ + check_utf32_to_utf8(0x0, 2, ""); + check_utf32_to_utf8(0x40, 2, "\x40"); + check_utf32_to_utf8(0xA1, 3, "\xc2\xa1"); + check_utf32_to_utf8(0x2701, 4, "\xe2\x9c\x81"); + check_utf32_to_utf8(0x1f004, 5, "\xf0\x9f\x80\x84"); + check_utf32_to_utf8(0x110000, 0, ""); + check_utf32_to_utf8(0xffffffff, 0, ""); +} + +int +main(void) +{ + test_is_valid_utf8(); + test_utf32_to_utf8(); + + return 0; +} |