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   /* 12 */ "foo \"c:\\\\\"",
  60   NULL
  61 };
  62
  63 static const gchar *result0[] = { "foo", "bar", NULL };
  64 static const gchar *result1[] = { "foo", "bar", NULL };
  65 static const gchar *result2[] = { "foo", "bar", NULL };
  66 static const gchar *result3[] = { "foo", "", "bar", NULL };
  67 static const gchar *result4[] = { "foo", "barbazblahfoo'blahboo", NULL };
  68 static const gchar *result5[] = { "foo", "blah", "foo", "bar", "baz", NULL };
  69 static const gchar *result6[] = { "foo", "    spaces more spaces lots of     spaces in this   ", NULL };
  70 static const gchar *result7[] = { "foo", "bar", NULL };
  71 static const gchar *result8[] = { "foo", "", "", NULL };
  72 static const gchar *result9[] = { "foo", "\"", "la", "la", "la", NULL };
  73 static const gchar *result10[] = { "foo", " foo", "woo", "woo ", NULL };
  74 static const gchar *result11[] = { "foo", "yada yada $\"", NULL };
  75 static const gchar *result12[] = { "foo", "c:\\", NULL };
  76
  77 static const TestResult
  78 correct_results[] =
  79 {
  80   { G_N_ELEMENTS (result0) - 1, result0 },
  81   { G_N_ELEMENTS (result1) - 1, result1 },
  82   { G_N_ELEMENTS (result2) - 1, result2 },
  83   { G_N_ELEMENTS (result3) - 1, result3 },
  84   { G_N_ELEMENTS (result4) - 1, result4 },
  85   { G_N_ELEMENTS (result5) - 1, result5 },
  86   { G_N_ELEMENTS (result6) - 1, result6 },
  87   { G_N_ELEMENTS (result7) - 1, result7 },
  88   { G_N_ELEMENTS (result8) - 1, result8 },
  89   { G_N_ELEMENTS (result9) - 1, result9 },
  90   { G_N_ELEMENTS (result10) - 1, result10 },
  91   { G_N_ELEMENTS (result11) - 1, result11 },
  92   { G_N_ELEMENTS (result12) - 1, result12 }
  93 };
  94
  95 static void
  96 print_test (const gchar *cmdline, gint argc, gchar **argv,
  97             const TestResult *result)
  98 {
  99   gint i;
 100
 101   fprintf (stderr, "Command line was: '%s'\n", cmdline);
 102
 103   fprintf (stderr, "Expected result (%d args):\n", result->argc);
 104
 105   i = 0;
 106   while (result->argv[i])
 107     {
 108       fprintf (stderr, " %3d '%s'\n", i, result->argv[i]);
 109       ++i;
 110     }
 111
 112   fprintf (stderr, "Actual result (%d args):\n", argc);
 113
 114   i = 0;
 115   while (argv[i])
 116     {
 117       fprintf (stderr, " %3d '%s'\n", i, argv[i]);
 118       ++i;
 119     }
 120 }
 121
 122 static void
 123 do_argv_test (const gchar *cmdline, const TestResult *result)
 124 {
 125   gint argc;
 126   gchar **argv;
 127   GError *err;
 128   gint i;
 129
 130   err = NULL;
 131   if (!g_shell_parse_argv (cmdline, &argc, &argv, &err))
 132     {
 133       fprintf (stderr, "Error parsing command line that should work fine: %s\n",
 134                err->message);
 135
 136       exit (1);
 137     }
 138
 139   if (argc != result->argc)
 140     {
 141       fprintf (stderr, "Expected and actual argc don't match\n");
 142       print_test (cmdline, argc, argv, result);
 143       exit (1);
 144     }
 145
 146   i = 0;
 147   while (argv[i])
 148     {
 149       if (strcmp (argv[i], result->argv[i]) != 0)
 150         {
 151           fprintf (stderr, "Expected and actual arg %d do not match\n", i);
 152           print_test (cmdline, argc, argv, result);
 153           exit (1);
 154         }
 155
 156       ++i;
 157     }
 158
 159   if (argv[i] != NULL)
 160     {
 161       fprintf (stderr, "argv didn't get NULL-terminated\n");
 162       exit (1);
 163     }
 164 }
 165
 166 static void
 167 run_tests (void)
 168 {
 169   gint i;
 170
 171   i = 0;
 172   while (test_command_lines[i])
 173     {
 174       do_argv_test (test_command_lines[i], &correct_results[i]);
 175       ++i;
 176     }
 177 }
 178
 179 static gboolean any_test_failed = FALSE;
 180
 181 #define CHECK_STRING_RESULT(expression, expected_value) \
 182  check_string_result (#expression, __FILE__, __LINE__, expression, expected_value)
 183
 184 static void
 185 check_string_result (const char *expression,
 186                      const char *file_name,
 187                      int line_number,
 188                      char *result,
 189                      const char *expected)
 190 {
 191   gboolean match;
 192
 193   if (expected == NULL)
 194     match = result == NULL;
 195   else
 196     match = result != NULL && strcmp (result, expected) == 0;
 197
 198   if (!match)
 199     {
 200       if (!any_test_failed)
 201         fprintf (stderr, "\n");
 202
 203       fprintf (stderr, "FAIL: check failed in %s, line %d\n", file_name, line_number);
 204       fprintf (stderr, "      evaluated: %s\n", expression);
 205       fprintf (stderr, "       expected: %s\n", expected == NULL ? "NULL" : expected);
 206       fprintf (stderr, "            got: %s\n", result == NULL ? "NULL" : result);
 207
 208       any_test_failed = TRUE;
 209     }
 210
 211   g_free (result);
 212 }
 213
 214 static char *
 215 test_shell_unquote (const char *str)
 216 {
 217   char *result;
 218   GError *error;
 219
 220   error = NULL;
 221   result = g_shell_unquote (str, &error);
 222   if (error == NULL)
 223     return result;
 224
 225   /* Leaks the error, which is no big deal and easy to fix if we
 226    * decide it matters.
 227    */
 228
 229   if (error->domain != G_SHELL_ERROR)
 230     return g_strdup ("error in domain other than G_SHELL_ERROR");
 231
 232   /* It would be nice to check the error message too, but that's
 233    * localized, so it's too much of a pain.
 234    */
 235   switch (error->code)
 236     {
 237     case G_SHELL_ERROR_BAD_QUOTING:
 238       return g_strdup ("G_SHELL_ERROR_BAD_QUOTING");
 239     case G_SHELL_ERROR_EMPTY_STRING:
 240       return g_strdup ("G_SHELL_ERROR_EMPTY_STRING");
 241     case G_SHELL_ERROR_FAILED:
 242       return g_strdup ("G_SHELL_ERROR_FAILED");
 243     default:
 244       return g_strdup ("bad error code in G_SHELL_ERROR domain");
 245     }
 246 }
 247
 248 int
 249 main (int   argc,
 250       char *argv[])
 251 {
 252   run_tests ();
 253
 254   CHECK_STRING_RESULT (g_shell_quote (""), "''");
 255   CHECK_STRING_RESULT (g_shell_quote ("a"), "'a'");
 256   CHECK_STRING_RESULT (g_shell_quote ("("), "'('");
 257   CHECK_STRING_RESULT (g_shell_quote ("'"), "''\\'''");
 258   CHECK_STRING_RESULT (g_shell_quote ("'a"), "''\\''a'");
 259   CHECK_STRING_RESULT (g_shell_quote ("a'"), "'a'\\'''");
 260   CHECK_STRING_RESULT (g_shell_quote ("a'a"), "'a'\\''a'");
 261
 262   CHECK_STRING_RESULT (test_shell_unquote (""), "");
 263   CHECK_STRING_RESULT (test_shell_unquote ("a"), "a");
 264   CHECK_STRING_RESULT (test_shell_unquote ("'a'"), "a");
 265   CHECK_STRING_RESULT (test_shell_unquote ("'('"), "(");
 266   CHECK_STRING_RESULT (test_shell_unquote ("''\\'''"), "'");
 267   CHECK_STRING_RESULT (test_shell_unquote ("''\\''a'"), "'a");
 268   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\'''"), "a'");
 269   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\''a'"), "a'a");
 270
 271   CHECK_STRING_RESULT (test_shell_unquote ("\\\\"), "\\");
 272   CHECK_STRING_RESULT (test_shell_unquote ("\\\n"), "");
 273
 274   CHECK_STRING_RESULT (test_shell_unquote ("'\\''"), "G_SHELL_ERROR_BAD_QUOTING");
 275
 276 #if defined (_MSC_VER) && (_MSC_VER <= 1200)
 277   /* using \x22 instead of \" to work around a msvc 5.0, 6.0 compiler bug */
 278   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\x22\""), "\"");
 279 #else
 280   CHECK_STRING_RESULT (test_shell_unquote ("\"\\\"\""), "\"");
 281 #endif
 282
 283   CHECK_STRING_RESULT (test_shell_unquote ("\""), "G_SHELL_ERROR_BAD_QUOTING");
 284   CHECK_STRING_RESULT (test_shell_unquote ("'"), "G_SHELL_ERROR_BAD_QUOTING");
 285
 286   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\\\""), "\\");
 287   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\`\""), "`");
 288   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\$\""), "$");
 289   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\n\""), "\n");
 290
 291   CHECK_STRING_RESULT (test_shell_unquote ("\"\\'\""), "\\'");
 292   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\r\""), "\\\r");
 293   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\n\""), "\\n");
 294
 295   return any_test_failed ? 1 : 0;
 296 }