/* * test-core-utf8.cpp - test UTF-8 string functions * * Copyright (C) 2014-2021 Sébastien Helleu * * This file is part of WeeChat, the extensible chat client. * * WeeChat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * WeeChat is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with WeeChat. If not, see . */ #include "CppUTest/TestHarness.h" extern "C" { #include #include #include #include "tests/tests.h" #include "src/core/wee-utf8.h" } const char *noel_valid = "no\xc3\xabl"; /* noël */ const char *noel_invalid = "no\xc3l"; const char *noel_invalid2 = "no\xff\xffl"; const char *noel_invalid_norm = "no?l"; const char *noel_invalid2_norm = "no??l"; const char *cjk_yellow = "\xe2\xbb\xa9"; /* U+2EE9 */ const char *han_char = "\xf0\xa4\xad\xa2"; /* U+24B62 */ const char *han_char_z = "\xf0\xa4\xad\xa2Z"; TEST_GROUP(CoreUtf8) { }; /* * Tests functions: * utf8_has_8bits * utf8_is_valid */ TEST(CoreUtf8, Validity) { char *error; /* check 8 bits */ LONGS_EQUAL(0, utf8_has_8bits (NULL)); LONGS_EQUAL(0, utf8_has_8bits ("")); LONGS_EQUAL(0, utf8_has_8bits ("abc")); LONGS_EQUAL(1, utf8_has_8bits ("no\xc3\xabl")); /* check validity */ LONGS_EQUAL(1, utf8_is_valid (NULL, -1, NULL)); LONGS_EQUAL(1, utf8_is_valid (NULL, 0, NULL)); LONGS_EQUAL(1, utf8_is_valid (NULL, 1, NULL)); LONGS_EQUAL(1, utf8_is_valid (NULL, -1, &error)); LONGS_EQUAL(1, utf8_is_valid (NULL, 0, &error)); LONGS_EQUAL(1, utf8_is_valid (NULL, 1, &error)); LONGS_EQUAL(1, utf8_is_valid ("", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("", -1, &error)); LONGS_EQUAL(1, utf8_is_valid ("", 0, &error)); LONGS_EQUAL(1, utf8_is_valid ("", 1, &error)); LONGS_EQUAL(1, utf8_is_valid ("abc", -1, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid ("abc", 0, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid ("abc", 1, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid (noel_valid, -1, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid (noel_valid, 0, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid (noel_valid, 1, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(0, utf8_is_valid (noel_invalid, -1, &error)); POINTERS_EQUAL(noel_invalid + 2, error); LONGS_EQUAL(0, utf8_is_valid (noel_invalid, 0, &error)); POINTERS_EQUAL(noel_invalid + 2, error); LONGS_EQUAL(1, utf8_is_valid (noel_invalid, 1, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(1, utf8_is_valid (noel_invalid, 2, &error)); POINTERS_EQUAL(NULL, error); LONGS_EQUAL(0, utf8_is_valid (noel_invalid, 3, &error)); POINTERS_EQUAL(noel_invalid + 2, error); LONGS_EQUAL(0, utf8_is_valid (noel_invalid, 4, &error)); POINTERS_EQUAL(noel_invalid + 2, error); LONGS_EQUAL(0, utf8_is_valid (noel_invalid, 5, &error)); POINTERS_EQUAL(noel_invalid + 2, error); /* 2 bytes: code point must be in range U+0080-07FF */ /* U+0 */ LONGS_EQUAL(0, utf8_is_valid ("\xc0\x80", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc0\x80", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc0\x80", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc0\x80", 2, NULL)); /* U+7F */ LONGS_EQUAL(0, utf8_is_valid ("\xc1\xbf", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc1\xbf", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc1\xbf", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xc1\xbf", 2, NULL)); /* U+80 */ LONGS_EQUAL(1, utf8_is_valid ("\xc2\x80", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xc2\x80", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xc2\x80", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xc2\x80", 2, NULL)); /* U+7FF */ LONGS_EQUAL(1, utf8_is_valid ("\xdf\xbf", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xdf\xbf", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xdf\xbf", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xdf\xbf", 2, NULL)); /* 3 bytes: code point must be in range: U+0800-FFFF */ /* U+0 */ LONGS_EQUAL(0, utf8_is_valid ("\xe0\x80\x80", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x80\x80", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x80\x80", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x80\x80", 2, NULL)); /* U+7FF */ LONGS_EQUAL(0, utf8_is_valid ("\xe0\x9f\xbf", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x9f\xbf", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x9f\xbf", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xe0\x9f\xbf", 2, NULL)); /* U+D800 */ LONGS_EQUAL(0, utf8_is_valid ("\xed\xa0\x80", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xa0\x80", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xa0\x80", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xa0\x80", 2, NULL)); /* U+DFFF */ LONGS_EQUAL(0, utf8_is_valid ("\xed\xbf\xbf", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xbf\xbf", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xbf\xbf", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xed\xbf\xbf", 2, NULL)); /* U+800 */ LONGS_EQUAL(1, utf8_is_valid ("\xe0\xa0\x80", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe0\xa0\x80", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe0\xa0\x80", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe0\xa0\x80", 2, NULL)); /* U+D7FF */ LONGS_EQUAL(1, utf8_is_valid ("\xed\x9f\xbf", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xed\x9f\xbf", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xed\x9f\xbf", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xed\x9f\xbf", 2, NULL)); /* U+E000 */ LONGS_EQUAL(1, utf8_is_valid ("\xe7\x80\x80", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe7\x80\x80", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe7\x80\x80", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xe7\x80\x80", 2, NULL)); /* U+FFFF */ LONGS_EQUAL(1, utf8_is_valid ("\xef\xbf\xbf", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xef\xbf\xbf", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xef\xbf\xbf", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xef\xbf\xbf", 2, NULL)); /* 4 bytes: code point must be in range: U+10000-1FFFFF */ /* U+0 */ LONGS_EQUAL(0, utf8_is_valid ("\xf0\x80\x80\x80", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x80\x80\x80", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x80\x80\x80", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x80\x80\x80", 2, NULL)); /* U+FFFF */ LONGS_EQUAL(0, utf8_is_valid ("\xf0\x8f\xbf\xbf", -1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x8f\xbf\xbf", 0, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x8f\xbf\xbf", 1, NULL)); LONGS_EQUAL(0, utf8_is_valid ("\xf0\x8f\xbf\xbf", 2, NULL)); /* U+10000 */ LONGS_EQUAL(1, utf8_is_valid ("\xf0\x90\x80\x80", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf0\x90\x80\x80", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf0\x90\x80\x80", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf0\x90\x80\x80", 2, NULL)); /* U+1FFFFF */ LONGS_EQUAL(1, utf8_is_valid ("\xf7\xbf\xbf\xbf", -1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf7\xbf\xbf\xbf", 0, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf7\xbf\xbf\xbf", 1, NULL)); LONGS_EQUAL(1, utf8_is_valid ("\xf7\xbf\xbf\xbf", 2, NULL)); } /* * Tests functions: * utf8_normalize */ TEST(CoreUtf8, Normalize) { char *str; str = strdup (noel_invalid); utf8_normalize (NULL, '?'); utf8_normalize (str, '?'); STRCMP_EQUAL(noel_invalid_norm, str); free (str); str = strdup (noel_invalid2); utf8_normalize (str, '?'); STRCMP_EQUAL(noel_invalid2_norm, str); free (str); } /* * Tests functions: * utf8_prev_char * utf8_next_char * utf8_add_offset * utf8_real_pos * utf8_pos */ TEST(CoreUtf8, Move) { const char *ptr; /* previous/next char */ POINTERS_EQUAL(NULL, utf8_prev_char (NULL, NULL)); POINTERS_EQUAL(NULL, utf8_next_char (NULL)); ptr = utf8_next_char (noel_valid); STRCMP_EQUAL("oël", ptr); ptr = utf8_next_char (ptr); STRCMP_EQUAL("ël", ptr); ptr = utf8_next_char (ptr); STRCMP_EQUAL("l", ptr); ptr = utf8_prev_char (noel_valid, ptr); ptr = utf8_prev_char (noel_valid, ptr); ptr = utf8_prev_char (noel_valid, ptr); STRCMP_EQUAL("noël", ptr); POINTERS_EQUAL(noel_valid, ptr); /* add offset */ ptr = utf8_add_offset (noel_valid, 0); STRCMP_EQUAL(noel_valid, ptr); ptr = utf8_add_offset (noel_valid, 1); STRCMP_EQUAL("oël", ptr); ptr = utf8_add_offset (noel_valid, 3); STRCMP_EQUAL("l", ptr); /* real position */ LONGS_EQUAL(0, utf8_real_pos (noel_valid, 0)); LONGS_EQUAL(1, utf8_real_pos (noel_valid, 1)); LONGS_EQUAL(2, utf8_real_pos (noel_valid, 2)); LONGS_EQUAL(4, utf8_real_pos (noel_valid, 3)); /* position */ LONGS_EQUAL(0, utf8_pos (noel_valid, 0)); LONGS_EQUAL(1, utf8_pos (noel_valid, 1)); LONGS_EQUAL(2, utf8_pos (noel_valid, 2)); LONGS_EQUAL(3, utf8_pos (noel_valid, 4)); } /* * Tests functions: * utf8_char_int * utf8_int_string * utf8_wide_char */ TEST(CoreUtf8, Convert) { char result[5]; /* get UTF-8 char as integer */ BYTES_EQUAL(0, utf8_char_int (NULL)); BYTES_EQUAL(0, utf8_char_int ("")); BYTES_EQUAL(65, utf8_char_int ("ABC")); BYTES_EQUAL(235, utf8_char_int ("ë")); BYTES_EQUAL(0x20ac, utf8_char_int ("€")); BYTES_EQUAL(0x2ee9, utf8_char_int (cjk_yellow)); BYTES_EQUAL(0x24b62, utf8_char_int (han_char)); BYTES_EQUAL(0x0, utf8_char_int ("\xc0\x80")); /* invalid */ BYTES_EQUAL(0x7f, utf8_char_int ("\xc1\xbf")); /* invalid */ BYTES_EQUAL(0x80, utf8_char_int ("\xc2\x80")); BYTES_EQUAL(0x7ff, utf8_char_int ("\xdf\xbf")); BYTES_EQUAL(0x0, utf8_char_int ("\xe0\x80\x80")); /* invalid */ BYTES_EQUAL(0x7ff, utf8_char_int ("\xe0\x9f\xbf")); /* invalid */ LONGS_EQUAL(0xd800, utf8_char_int ("\xed\xa0\x80")); /* invalid */ LONGS_EQUAL(0xdfff, utf8_char_int ("\xed\xbf\xbf")); /* invalid */ BYTES_EQUAL(0x800, utf8_char_int ("\xe0\xa0\x80")); BYTES_EQUAL(0xd7ff, utf8_char_int ("\xed\x9f\xbf")); BYTES_EQUAL(0xe000, utf8_char_int ("\xe7\x80\x80")); BYTES_EQUAL(0xffff, utf8_char_int ("\xef\xbf\xbf")); BYTES_EQUAL(0x0, utf8_char_int ("\xf0\x80\x80\x80")); /* invalid */ BYTES_EQUAL(0xffff, utf8_char_int ("\xf0\x8f\xbf\xbf")); /* invalid */ BYTES_EQUAL(0x10000, utf8_char_int ("\xf0\x90\x80\x80")); BYTES_EQUAL(0x1fffff, utf8_char_int ("\xf7\xbf\xbf\xbf")); /* convert unicode char to a string */ utf8_int_string (0, NULL); utf8_int_string (0, result); STRCMP_EQUAL("", result); utf8_int_string (235, result); STRCMP_EQUAL("ë", result); utf8_int_string (0x20ac, result); STRCMP_EQUAL("€", result); utf8_int_string (0x2ee9, result); STRCMP_EQUAL(cjk_yellow, result); utf8_int_string (0x24b62, result); STRCMP_EQUAL(han_char, result); /* get wide char */ BYTES_EQUAL(WEOF, utf8_wide_char (NULL)); BYTES_EQUAL(WEOF, utf8_wide_char ("")); BYTES_EQUAL(65, utf8_wide_char ("A")); BYTES_EQUAL(0xc3ab, utf8_wide_char ("ë")); BYTES_EQUAL(0xe282ac, utf8_wide_char ("€")); BYTES_EQUAL(0xe2bba9, utf8_wide_char (cjk_yellow)); BYTES_EQUAL(0xf0a4ada2, utf8_wide_char (han_char)); } /* * Tests functions: * utf8_char_size * utf8_char_size_screen * utf8_strlen * utf8_strnlen * utf8_strlen_screen */ TEST(CoreUtf8, Size) { /* char size */ LONGS_EQUAL(0, utf8_char_size (NULL)); LONGS_EQUAL(1, utf8_char_size ("")); LONGS_EQUAL(1, utf8_char_size ("A")); LONGS_EQUAL(2, utf8_char_size ("ë")); LONGS_EQUAL(3, utf8_char_size ("€")); LONGS_EQUAL(3, utf8_char_size (cjk_yellow)); LONGS_EQUAL(4, utf8_char_size (han_char)); /* ë as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(1, utf8_char_size ("\xeb")); /* ël as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(2, utf8_char_size ("\xebl")); /* ëlm as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(3, utf8_char_size ("\xeblm")); /* ëlmn as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(3, utf8_char_size ("\xeblmn")); /* char size on screen */ LONGS_EQUAL(0, utf8_char_size_screen (NULL)); LONGS_EQUAL(0, utf8_char_size_screen ("")); LONGS_EQUAL(1, utf8_char_size_screen ("A")); LONGS_EQUAL(1, utf8_char_size_screen ("ë")); LONGS_EQUAL(1, utf8_char_size_screen ("€")); LONGS_EQUAL(2, utf8_char_size_screen (cjk_yellow)); /* ë as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(1, utf8_char_size_screen ("\xeb")); /* ël as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(1, utf8_char_size_screen ("\xebl")); /* ëlm as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(1, utf8_char_size_screen ("\xeblm")); /* ëlmn as iso-8859-15: invalid UTF-8 */ LONGS_EQUAL(1, utf8_char_size_screen ("\xeblmn")); /* length of string (in chars) */ LONGS_EQUAL(0, utf8_strlen (NULL)); LONGS_EQUAL(0, utf8_strlen ("")); LONGS_EQUAL(1, utf8_strlen ("A")); LONGS_EQUAL(1, utf8_strlen ("ë")); LONGS_EQUAL(1, utf8_strlen ("€")); LONGS_EQUAL(1, utf8_strlen (cjk_yellow)); LONGS_EQUAL(1, utf8_strlen (han_char)); /* length of string (in chars, for max N bytes) */ LONGS_EQUAL(0, utf8_strnlen (NULL, 0)); LONGS_EQUAL(0, utf8_strnlen ("", 0)); LONGS_EQUAL(1, utf8_strnlen ("AZ", 1)); LONGS_EQUAL(1, utf8_strnlen ("ëZ", 2)); LONGS_EQUAL(1, utf8_strnlen ("€Z", 3)); LONGS_EQUAL(1, utf8_strnlen (han_char_z, 4)); /* length of string on screen (in chars) */ LONGS_EQUAL(0, utf8_strlen_screen (NULL)); LONGS_EQUAL(0, utf8_strlen_screen ("")); LONGS_EQUAL(1, utf8_strlen_screen ("A")); LONGS_EQUAL(1, utf8_strlen_screen ("ë")); LONGS_EQUAL(1, utf8_strlen_screen ("€")); LONGS_EQUAL(1, utf8_strlen_screen ("\x7f")); LONGS_EQUAL(2, utf8_strlen_screen (cjk_yellow)); } /* * Tests functions: * utf8_charcmp * utf8_charcasecmp * utf8_charcasecmp_range */ TEST(CoreUtf8, Comparison) { /* case-sensitive comparison */ LONGS_EQUAL(0, utf8_charcmp (NULL, NULL)); LONGS_EQUAL(-1, utf8_charcmp (NULL, "abc")); LONGS_EQUAL(1, utf8_charcmp ("abc", NULL)); LONGS_EQUAL(0, utf8_charcmp ("axx", "azz")); LONGS_EQUAL(-1, utf8_charcmp ("A", "Z")); LONGS_EQUAL(1, utf8_charcmp ("Z", "A")); LONGS_EQUAL(-1, utf8_charcmp ("A", "a")); LONGS_EQUAL(-1, utf8_charcmp ("ë", "€")); /* case-insensitive comparison */ LONGS_EQUAL(0, utf8_charcasecmp (NULL, NULL)); LONGS_EQUAL(-1, utf8_charcasecmp (NULL, "abc")); LONGS_EQUAL(1, utf8_charcasecmp ("abc", NULL)); LONGS_EQUAL(0, utf8_charcasecmp ("axx", "azz")); LONGS_EQUAL(-1, utf8_charcasecmp ("A", "Z")); LONGS_EQUAL(1, utf8_charcasecmp ("Z", "A")); LONGS_EQUAL(0, utf8_charcasecmp ("A", "a")); LONGS_EQUAL(-1, utf8_charcasecmp ("ë", "€")); /* case-insensitive comparison with a range */ LONGS_EQUAL(0, utf8_charcasecmp_range (NULL, NULL, 30)); LONGS_EQUAL(-1, utf8_charcasecmp_range (NULL, "abc", 30)); LONGS_EQUAL(1, utf8_charcasecmp_range ("abc", NULL, 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("axx", "azz", 30)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("A", "Z", 30)); LONGS_EQUAL(1, utf8_charcasecmp_range ("Z", "A", 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("A", "a", 30)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("ë", "€", 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("[", "{", 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("]", "}", 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("\\", "|", 30)); LONGS_EQUAL(0, utf8_charcasecmp_range ("^", "~", 30)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("[", "{", 26)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("]", "}", 26)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("\\", "|", 26)); LONGS_EQUAL(-1, utf8_charcasecmp_range ("^", "~", 26)); } /* * Tests functions: * utf8_strndup */ TEST(CoreUtf8, Duplicate) { char *str; WEE_TEST_STR("", utf8_strndup (noel_valid, 0)); WEE_TEST_STR("n", utf8_strndup (noel_valid, 1)); WEE_TEST_STR("no", utf8_strndup (noel_valid, 2)); WEE_TEST_STR("noë", utf8_strndup (noel_valid, 3)); WEE_TEST_STR("noël", utf8_strndup (noel_valid, 4)); WEE_TEST_STR("noël", utf8_strndup (noel_valid, 5)); }