root/tests/lib/terminal.c

/*   */

DEFINITIONS

1. setup
2. teardown
3. START_TEST
4. START_TEST
5. START_TEST
6. main

   1 /*
   2    lib/terminal - tests for terminal emulation functions
   3 
   4    Copyright (C) 2013-2025
   5    Free Software Foundation, Inc.
   6 
   7    Written by:
   8    Johannes Altmanninger, 2025
   9 
  10    This file is part of the Midnight Commander.
  11 
  12    The Midnight Commander is free software: you can redistribute it
  13    and/or modify it under the terms of the GNU General Public License as
  14    published by the Free Software Foundation, either version 3 of the License,
  15    or (at your option) any later version.
  16 
  17    The Midnight Commander is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21 
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  24  */
  25 
  26 #define TEST_SUITE_NAME "/lib/terminal"
  27 
  28 #include "tests/mctest.h"
  29 
  30 #include <string.h>
  31 
  32 #include "lib/global.h"  // include <glib.h>
  33 #include "lib/terminal.h"
  34 #include "lib/strutil.h"
  35 
  36 /* --------------------------------------------------------------------------------------------- */
  37 
  38 static void
  39 setup (void)
     /*   */
  40 {
  41     str_init_strings ("UTF-8");
  42 }
  43 
  44 static void
  45 teardown (void)
     /*   */
  46 {
  47     str_uninit_strings ();
  48 }
  49 
  50 /* --------------------------------------------------------------------------------------------- */
  51 
  52 START_TEST (test_parse_csi)
     /*   */
  53 {
  54     const char *s = &"\x1b[=5uRest"[2];
  55     const char *end = s + strlen (s);
  56     const gboolean ok = parse_csi (NULL, &s, end);
  57 
  58     ck_assert_msg (ok, "failed to parse CSI");
  59     ck_assert_str_eq (s, "Rest");
  60 }
  61 END_TEST
  62 
  63 /* --------------------------------------------------------------------------------------------- */
  64 
  65 START_TEST (test_strip_ctrl_codes)
     /*   */
  66 {
  67     // clang-format off
  68     char *s = g_strdup (ESC_STR "]0;~\a"                   ESC_STR "[30m" ESC_STR "(B" ESC_STR "[m"
  69                         ESC_STR "]133;A;special_key=1\a$ " ESC_STR "[K"   ESC_STR "[?2004h"
  70                         ESC_STR "[>4;1m" ESC_STR "[=5u"    ESC_STR "="    ESC_STR "[?2004l"
  71                         ESC_STR "[>4;0m" ESC_STR "[=0u"    ESC_STR ">"    ESC_STR "[?2004h"
  72                         ESC_STR "[>4;1m" ESC_STR "[=5u"    ESC_STR "="    ESC_STR "[?2004l"
  73                         ESC_STR "[>4;0m" ESC_STR "[=0u"    ESC_STR ">"    ESC_STR "[?2004h"
  74                         ESC_STR "[>4;1m" ESC_STR "[=5u"    ESC_STR "=");
  75     // clang-format on
  76     char *actual = strip_ctrl_codes (s);
  77     const char *expected = "$ ";
  78 
  79     ck_assert_str_eq (actual, expected);
  80     g_free (s);
  81 }
  82 END_TEST
  83 
  84 // Test the handling of inner and final incomplete UTF-8, also make sure there's no overrun.
  85 // Ticket #4801. Invalid UTF-8 fragments are left in the string as-is.
  86 START_TEST (test_strip_ctrl_codes2)
     /*   */
  87 {
  88     // U+2764 heart in UTF-8, followed by " ábcdéfghíjklnmó\000pqrst" in Latin-1
  89     const char s_orig[] = "\342\235\244 \341bcd\351fgh\355jklm\363\000pqrst";
  90     ck_assert_int_eq (sizeof (s_orig), 25);
  91 
  92     // copy the entire string, with embedded '\0'
  93     char *s = g_malloc (sizeof (s_orig));
  94     memcpy (s, s_orig, sizeof (s_orig));
  95 
  96     char *actual = strip_ctrl_codes (s);
  97 
  98     ck_assert_str_eq (actual, s_orig);
  99     g_free (s);
 100 }
 101 END_TEST
 102 
 103 /* --------------------------------------------------------------------------------------------- */
 104 
 105 int
 106 main (void)
     /*   */
 107 {
 108     TCase *tc_core;
 109 
 110     tc_core = tcase_create ("Core");
 111 
 112     tcase_add_checked_fixture (tc_core, setup, teardown);
 113 
 114     // Add new tests here: ***************
 115     tcase_add_test (tc_core, test_parse_csi);
 116     tcase_add_test (tc_core, test_strip_ctrl_codes);
 117     tcase_add_test (tc_core, test_strip_ctrl_codes2);
 118     // ***********************************
 119 
 120     return mctest_run_all (tc_core);
 121 }
 122 
 123 /* --------------------------------------------------------------------------------------------- */

/*   */