test.c

/* Библиотека на языке C для конвертации строк из кодировки UTF-8 в CP1251
 * Адрес проекта: https://github.com/bravikov/utf8_to_cp1251
 * */

#include "utf8_to_cp1251.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>

typedef struct {
    const char * name;
    const char * utf8;
    const char * cp1251;
    const Cp1251 * customTable;
    const size_t customTableSize;
} TestData;

int main(void) {
    static const Cp1251 cp1251Table[] = {
        {0x98, 0x03C6}, /* φ, GREEK SMALL LETTER PHI */
        {0x80, 0x2211}, /* ∑, N-ARY SUMMATION */
        {0x81, 0x25BA}, /* ►, BLACK RIGHT-POINTING POINTER */
    };

    size_t i;

    const TestData testStrings[] = {
        {
            "Пустая строка",
            "",
            "",
            0, 0
        },
        {
            "US-ASCII",

            "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
            "\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F !\""
            "#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`a"
            "bcdefghijklmnopqrstuvwxyz{|}~\x7F",

            "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10"
            "\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F\x20"
            "\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F\x30"
            "\x31\x32\x33\x34\x35\x36\x37\x38\x39\x3A\x3B\x3C\x3D\x3E\x3F\x40"
            "\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F\x50"
            "\x51\x52\x53\x54\x55\x56\x57\x58\x59\x5A\x5B\x5C\x5D\x5E\x5F\x60"
            "\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A\x6B\x6C\x6D\x6E\x6F\x70"
            "\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A\x7B\x7C\x7D\x7E\x7F",

            0, 0
        },
        {
            "Кириллица",

            "АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя",

            "\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\xDC\xDD\xDE\xDF"
            "\xE0\xE1\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\xEA\xEB\xEC\xED\xEE\xEF"
            "\xF0\xF1\xF2\xF3\xF4\xF5\xF6\xF7\xF8\xF9\xFA\xFB\xFC\xFD\xFE\xFF",

            0, 0
        },
        {
            "Cимволы разных размеров",
            "яzяzя",
            "\xFF\x7A\xFF\x7A\xFF",

            0, 0
        },
        {
            "Символы CP1251 0x80...0xBF",

            "ЂЃ‚ѓ„…†‡€‰Љ‹ЊЌЋЏ"
            "ђ‘’“”•–—™љ›њќћџ"
            "\xC2\xA0ЎўЈ¤Ґ¦§Ё©Є«¬\xC2\xAD®Ї"
            "°±Ііґµ¶·ё№є»јЅѕї",

            "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8A\x8B\x8C\x8D\x8E\x8F"
            "\x90\x91\x92\x93\x94\x95\x96\x97"  "\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",

            0, 0
        },
        {
            "Пользовательская таблица",
            "φ∑►±эюя",
            "\x98\x80\x81\xB1\xFD\xFE\xFF",
            cp1251Table, sizeof(cp1251Table) / sizeof(Cp1251)
        }
        /*{
            "Шаблон",
            "",
            "",
            0,
            0
        }*/
    };

    const size_t testCount = sizeof(testStrings) / sizeof(TestData);

    for (i = 0; i < testCount; i++) {
        const TestData test = testStrings[i];

        if (test.customTable != 0) {
                setCustomCp1251Table(test.customTable, test.customTableSize);
        }

        const int cp1251Size = strlen(test.cp1251) + 1;
        char * cp1251 = malloc(cp1251Size);
        const int r1 = convertUtf8ToCp1251(test.utf8, cp1251);
        const int r2 = strcmp(cp1251, test.cp1251);

        char * result = "ПРОВАЛЕН :(";
        const bool success = (r1 == cp1251Size - 1) && (r2 == 0);

        if (success) {
            result = "пройден :)";
        }

        printf("Тест № %zi \"%s\": %s\n", i, test.name, result);

        if (success == false) {
            printf("\"Эталон\" | \"Результат преобразования\"\n");
            for (i = 0; i < strlen(test.cp1251) && i < strlen(cp1251); i++) {
                printf("%02hhX | %02hhX\n", test.cp1251[i], cp1251[i]);
            }
        }

        free(cp1251);

        if (success == false) {
            break;
        }
    }

    return 0;
}