tests/shell-test.c

   1 /* GLIB - Library of useful routines for C programming
   2  * Copyright (C) 1995-1997  Peter Mattis, Spencer Kimball and Josh MacDonald
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the
  16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17  * Boston, MA 02111-1307, USA.
  18  */
  19
  20 /*
  21  * Modified by the GLib Team and others 1997-2000.  See the AUTHORS
  22  * file for a list of people on the GLib Team.  See the ChangeLog
  23  * files for a list of changes.  These files are distributed with
  24  * GLib at ftp://ftp.gtk.org/pub/gtk/.
  25  */
  26
  27 #undef G_DISABLE_ASSERT
  28 #undef G_LOG_DOMAIN
  29
  30 #include <glib.h>
  31 #include <stdio.h>
  32 #include <string.h>
  33 #include <stdlib.h>
  34
  35
  36 typedef struct _TestResult TestResult;
  37
  38 struct _TestResult
  39 {
  40   gint argc;
  41   const gchar **argv;
  42 };
  43
  44 static const gchar *
  45 test_command_lines[] =
  46 {
  47   /*  0 */ "foo bar",
  48   /*  1 */ "foo 'bar'",
  49   /*  2 */ "foo \"bar\"",
  50   /*  3 */ "foo '' 'bar'",
  51   /*  4 */ "foo \"bar\"'baz'blah'foo'\\''blah'\"boo\"",
  52   /*  5 */ "foo \t \tblah\tfoo\t\tbar  baz",
  53   /*  6 */ "foo '    spaces more spaces lots of     spaces in this   '  \t",
  54   /*  7 */ "foo \\\nbar",
  55   /*  8 */ "foo '' ''",
  56   /*  9 */ "foo \\\" la la la",
  57   /* 10 */ "foo \\ foo woo woo\\ ",
  58   /* 11 */ "foo \"yada yada \\$\\\"\"",
  59   NULL
  60 };
  61
  62 static const gchar *result0[] = { "foo", "bar", NULL };
  63 static const gchar *result1[] = { "foo", "bar", NULL };
  64 static const gchar *result2[] = { "foo", "bar", NULL };
  65 static const gchar *result3[] = { "foo", "", "bar", NULL };
  66 static const gchar *result4[] = { "foo", "barbazblahfoo'blahboo", NULL };
  67 static const gchar *result5[] = { "foo", "blah", "foo", "bar", "baz", NULL };
  68 static const gchar *result6[] = { "foo", "    spaces more spaces lots of     spaces in this   ", NULL };
  69 static const gchar *result7[] = { "foo", "bar", NULL };
  70 static const gchar *result8[] = { "foo", "", "", NULL };
  71 static const gchar *result9[] = { "foo", "\"", "la", "la", "la", NULL };
  72 static const gchar *result10[] = { "foo", " foo", "woo", "woo ", NULL };
  73 static const gchar *result11[] = { "foo", "yada yada $\"", NULL };
  74
  75 static const TestResult
  76 correct_results[] =
  77 {
  78   { G_N_ELEMENTS (result0) - 1, result0 },
  79   { G_N_ELEMENTS (result1) - 1, result1 },
  80   { G_N_ELEMENTS (result2) - 1, result2 },
  81   { G_N_ELEMENTS (result3) - 1, result3 },
  82   { G_N_ELEMENTS (result4) - 1, result4 },
  83   { G_N_ELEMENTS (result5) - 1, result5 },
  84   { G_N_ELEMENTS (result6) - 1, result6 },
  85   { G_N_ELEMENTS (result7) - 1, result7 },
  86   { G_N_ELEMENTS (result8) - 1, result8 },
  87   { G_N_ELEMENTS (result9) - 1, result9 },
  88   { G_N_ELEMENTS (result10) - 1, result10 },
  89   { G_N_ELEMENTS (result11) - 1, result11 }
  90 };
  91
  92 static void
  93 print_test (const gchar *cmdline, gint argc, gchar **argv,
  94             const TestResult *result)
  95 {
  96   gint i;
  97
  98   fprintf (stderr, "Command line was: '%s'\n", cmdline);
  99
 100   fprintf (stderr, "Expected result (%d args):\n", result->argc);
 101
 102   i = 0;
 103   while (result->argv[i])
 104     {
 105       fprintf (stderr, " %3d '%s'\n", i, result->argv[i]);
 106       ++i;
 107     }
 108
 109   fprintf (stderr, "Actual result (%d args):\n", argc);
 110
 111   i = 0;
 112   while (argv[i])
 113     {
 114       fprintf (stderr, " %3d '%s'\n", i, argv[i]);
 115       ++i;
 116     }
 117 }
 118
 119 static void
 120 do_argv_test (const gchar *cmdline, const TestResult *result)
 121 {
 122   gint argc;
 123   gchar **argv;
 124   GError *err;
 125   gint i;
 126
 127   err = NULL;
 128   if (!g_shell_parse_argv (cmdline, &argc, &argv, &err))
 129     {
 130       fprintf (stderr, "Error parsing command line that should work fine: %s\n",
 131                err->message);
 132
 133       exit (1);
 134     }
 135
 136   if (argc != result->argc)
 137     {
 138       fprintf (stderr, "Expected and actual argc don't match\n");
 139       print_test (cmdline, argc, argv, result);
 140       exit (1);
 141     }
 142
 143   i = 0;
 144   while (argv[i])
 145     {
 146       if (strcmp (argv[i], result->argv[i]) != 0)
 147         {
 148           fprintf (stderr, "Expected and actual arg %d do not match\n", i);
 149           print_test (cmdline, argc, argv, result);
 150           exit (1);
 151         }
 152
 153       ++i;
 154     }
 155
 156   if (argv[i] != NULL)
 157     {
 158       fprintf (stderr, "argv didn't get NULL-terminated\n");
 159       exit (1);
 160     }
 161 }
 162
 163 static void
 164 run_tests (void)
 165 {
 166   gint i;
 167
 168   i = 0;
 169   while (test_command_lines[i])
 170     {
 171       do_argv_test (test_command_lines[i], &correct_results[i]);
 172       ++i;
 173     }
 174 }
 175
 176 static gboolean any_test_failed = FALSE;
 177
 178 #define CHECK_STRING_RESULT(expression, expected_value) \
 179  check_string_result (#expression, __FILE__, __LINE__, expression, expected_value)
 180
 181 static void
 182 check_string_result (const char *expression,
 183                      const char *file_name,
 184                      int line_number,
 185                      char *result,
 186                      const char *expected)
 187 {
 188   gboolean match;
 189
 190   if (expected == NULL)
 191     match = result == NULL;
 192   else
 193     match = result != NULL && strcmp (result, expected) == 0;
 194
 195   if (!match)
 196     {
 197       if (!any_test_failed)
 198         fprintf (stderr, "\n");
 199
 200       fprintf (stderr, "FAIL: check failed in %s, line %d\n", file_name, line_number);
 201       fprintf (stderr, "      evaluated: %s\n", expression);
 202       fprintf (stderr, "       expected: %s\n", expected == NULL ? "NULL" : expected);
 203       fprintf (stderr, "            got: %s\n", result == NULL ? "NULL" : result);
 204
 205       any_test_failed = TRUE;
 206     }
 207
 208   g_free (result);
 209 }
 210
 211 static char *
 212 test_shell_unquote (const char *str)
 213 {
 214   char *result;
 215   GError *error;
 216
 217   error = NULL;
 218   result = g_shell_unquote (str, &error);
 219   if (error == NULL)
 220     return result;
 221
 222   /* Leaks the error, which is no big deal and easy to fix if we
 223    * decide it matters.
 224    */
 225
 226   if (error->domain != G_SHELL_ERROR)
 227     return g_strdup ("error in domain other than G_SHELL_ERROR");
 228
 229   /* It would be nice to check the error message too, but that's
 230    * localized, so it's too much of a pain.
 231    */
 232   switch (error->code)
 233     {
 234     case G_SHELL_ERROR_BAD_QUOTING:
 235       return g_strdup ("G_SHELL_ERROR_BAD_QUOTING");
 236     case G_SHELL_ERROR_EMPTY_STRING:
 237       return g_strdup ("G_SHELL_ERROR_EMPTY_STRING");
 238     case G_SHELL_ERROR_FAILED:
 239       return g_strdup ("G_SHELL_ERROR_FAILED");
 240     default:
 241       return g_strdup ("bad error code in G_SHELL_ERROR domain");
 242     }
 243 }
 244
 245 int
 246 main (int   argc,
 247       char *argv[])
 248 {
 249   run_tests ();
 250
 251   CHECK_STRING_RESULT (g_shell_quote (""), "''");
 252   CHECK_STRING_RESULT (g_shell_quote ("a"), "'a'");
 253   CHECK_STRING_RESULT (g_shell_quote ("("), "'('");
 254   CHECK_STRING_RESULT (g_shell_quote ("'"), "''\\'''");
 255   CHECK_STRING_RESULT (g_shell_quote ("'a"), "''\\''a'");
 256   CHECK_STRING_RESULT (g_shell_quote ("a'"), "'a'\\'''");
 257   CHECK_STRING_RESULT (g_shell_quote ("a'a"), "'a'\\''a'");
 258
 259   CHECK_STRING_RESULT (test_shell_unquote (""), "");
 260   CHECK_STRING_RESULT (test_shell_unquote ("a"), "a");
 261   CHECK_STRING_RESULT (test_shell_unquote ("'a'"), "a");
 262   CHECK_STRING_RESULT (test_shell_unquote ("'('"), "(");
 263   CHECK_STRING_RESULT (test_shell_unquote ("''\\'''"), "'");
 264   CHECK_STRING_RESULT (test_shell_unquote ("''\\''a'"), "'a");
 265   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\'''"), "a'");
 266   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\''a'"), "a'a");
 267
 268   CHECK_STRING_RESULT (test_shell_unquote ("\\\\"), "\\");
 269   CHECK_STRING_RESULT (test_shell_unquote ("\\\n"), "");
 270
 271   CHECK_STRING_RESULT (test_shell_unquote ("'\\''"), "G_SHELL_ERROR_BAD_QUOTING");
 272
 273 #if defined (_MSC_VER) && (_MSC_VER <= 1200)
 274   /* using \x22 instead of \" to work around a msvc 5.0, 6.0 compiler bug */
 275   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\x22\""), "\"");
 276 #else
 277   CHECK_STRING_RESULT (test_shell_unquote ("\"\\\"\""), "\"");
 278 #endif
 279
 280   CHECK_STRING_RESULT (test_shell_unquote ("\""), "G_SHELL_ERROR_BAD_QUOTING");
 281   CHECK_STRING_RESULT (test_shell_unquote ("'"), "G_SHELL_ERROR_BAD_QUOTING");
 282
 283   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\\\""), "\\");
 284   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\`\""), "`");
 285   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\$\""), "$");
 286   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\n\""), "\n");
 287
 288   CHECK_STRING_RESULT (test_shell_unquote ("\"\\'\""), "\\'");
 289   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\r\""), "\\\r");
 290   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\n\""), "\\n");
 291
 292   return any_test_failed ? 1 : 0;
 293 }