/* Test of u8_uctomb() function. Copyright (C) 2010-2020 Free Software Foundation, Inc. This program 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. This program 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 this program. If not, see <https://www.gnu.org/licenses/>. */ /* Written by Bruno Haible <bruno@clisp.org>, 2010. */ #include <config.h> #include "unistr.h" #include "macros.h" #define MAGIC 0xBA int main () { /* Test ISO 646 character, in particular the NUL character. */ { ucs4_t uc; for (uc = 0; uc < 0x80; uc++) { uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC }; int ret; ret = u8_uctomb (buf, uc, 0); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 1); ASSERT (ret == 1); ASSERT (buf[0] == uc); ASSERT (buf[1] == MAGIC); } } /* Test 2-byte character. */ { ucs4_t uc = 0x00D7; uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC }; int ret; ret = u8_uctomb (buf, uc, 0); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 1); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 2); ASSERT (ret == 2); ASSERT (buf[0] == 0xC3); ASSERT (buf[1] == 0x97); ASSERT (buf[2] == MAGIC); } /* Test 3-byte character. */ { ucs4_t uc = 0x20AC; uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC }; int ret; ret = u8_uctomb (buf, uc, 0); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 1); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 2); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ASSERT (buf[1] == MAGIC); ret = u8_uctomb (buf, uc, 3); ASSERT (ret == 3); ASSERT (buf[0] == 0xE2); ASSERT (buf[1] == 0x82); ASSERT (buf[2] == 0xAC); ASSERT (buf[3] == MAGIC); } /* Test 4-byte character. */ { ucs4_t uc = 0x10FFFD; uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC }; int ret; ret = u8_uctomb (buf, uc, 0); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 1); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ret = u8_uctomb (buf, uc, 2); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ASSERT (buf[1] == MAGIC); ret = u8_uctomb (buf, uc, 3); ASSERT (ret == -2); ASSERT (buf[0] == MAGIC); ASSERT (buf[1] == MAGIC); ASSERT (buf[2] == MAGIC); ret = u8_uctomb (buf, uc, 4); ASSERT (ret == 4); ASSERT (buf[0] == 0xF4); ASSERT (buf[1] == 0x8F); ASSERT (buf[2] == 0xBF); ASSERT (buf[3] == 0xBD); ASSERT (buf[4] == MAGIC); } /* Test invalid characters. */ { ucs4_t invalid[] = { 0x110000, 0xD800, 0xDBFF, 0xDC00, 0xDFFF }; uint8_t buf[5] = { MAGIC, MAGIC, MAGIC, MAGIC, MAGIC }; size_t i; for (i = 0; i < SIZEOF (invalid); i++) { ucs4_t uc = invalid[i]; int n; for (n = 0; n <= 4; n++) { int ret = u8_uctomb (buf, uc, n); ASSERT (ret == -1); ASSERT (buf[0] == MAGIC); ASSERT (buf[1] == MAGIC); ASSERT (buf[2] == MAGIC); ASSERT (buf[3] == MAGIC); ASSERT (buf[4] == MAGIC); } } } return 0; }