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      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   g_strfreev (argv);
    165 }
    166 
    167 static void
    168 run_tests (void)
    169 {
    170   gint i;
    171 
    172   i = 0;
    173   while (test_command_lines[i])
    174     {
    175       do_argv_test (test_command_lines[i], &correct_results[i]);
    176       ++i;
    177     }
    178 }
    179 
    180 static gboolean any_test_failed = FALSE;
    181 
    182 #define CHECK_STRING_RESULT(expression, expected_value) \
    183  check_string_result (#expression, __FILE__, __LINE__, expression, expected_value)
    184 
    185 static void
    186 check_string_result (const char *expression,
    187 		     const char *file_name,
    188 		     int line_number,
    189 		     char *result,
    190 		     const char *expected)
    191 {
    192   gboolean match;
    193 
    194   if (expected == NULL)
    195     match = result == NULL;
    196   else
    197     match = result != NULL && strcmp (result, expected) == 0;
    198 
    199   if (!match)
    200     {
    201       if (!any_test_failed)
    202 	fprintf (stderr, "\n");
    203 
    204       fprintf (stderr, "FAIL: check failed in %s, line %d\n", file_name, line_number);
    205       fprintf (stderr, "      evaluated: %s\n", expression);
    206       fprintf (stderr, "       expected: %s\n", expected == NULL ? "NULL" : expected);
    207       fprintf (stderr, "            got: %s\n", result == NULL ? "NULL" : result);
    208 
    209       any_test_failed = TRUE;
    210     }
    211 
    212   g_free (result);
    213 }
    214 
    215 static char *
    216 test_shell_unquote (const char *str)
    217 {
    218   char *result;
    219   GError *error;
    220 
    221   error = NULL;
    222   result = g_shell_unquote (str, &error);
    223   if (error == NULL)
    224     return result;
    225 
    226   /* Leaks the error, which is no big deal and easy to fix if we
    227    * decide it matters.
    228    */
    229 
    230   if (error->domain != G_SHELL_ERROR)
    231     return g_strdup ("error in domain other than G_SHELL_ERROR");
    232 
    233   /* It would be nice to check the error message too, but that's
    234    * localized, so it's too much of a pain.
    235    */
    236   switch (error->code)
    237     {
    238     case G_SHELL_ERROR_BAD_QUOTING:
    239       return g_strdup ("G_SHELL_ERROR_BAD_QUOTING");
    240     case G_SHELL_ERROR_EMPTY_STRING:
    241       return g_strdup ("G_SHELL_ERROR_EMPTY_STRING");
    242     case G_SHELL_ERROR_FAILED:
    243       return g_strdup ("G_SHELL_ERROR_FAILED");
    244     default:
    245       return g_strdup ("bad error code in G_SHELL_ERROR domain");
    246     }
    247 }
    248 
    249 int
    250 main (int   argc,
    251       char *argv[])
    252 {
    253   run_tests ();
    254 
    255   CHECK_STRING_RESULT (g_shell_quote (""), "''");
    256   CHECK_STRING_RESULT (g_shell_quote ("a"), "'a'");
    257   CHECK_STRING_RESULT (g_shell_quote ("("), "'('");
    258   CHECK_STRING_RESULT (g_shell_quote ("'"), "''\\'''");
    259   CHECK_STRING_RESULT (g_shell_quote ("'a"), "''\\''a'");
    260   CHECK_STRING_RESULT (g_shell_quote ("a'"), "'a'\\'''");
    261   CHECK_STRING_RESULT (g_shell_quote ("a'a"), "'a'\\''a'");
    262 
    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 ("'('"), "(");
    267   CHECK_STRING_RESULT (test_shell_unquote ("''\\'''"), "'");
    268   CHECK_STRING_RESULT (test_shell_unquote ("''\\''a'"), "'a");
    269   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\'''"), "a'");
    270   CHECK_STRING_RESULT (test_shell_unquote ("'a'\\''a'"), "a'a");
    271 
    272   CHECK_STRING_RESULT (test_shell_unquote ("\\\\"), "\\");
    273   CHECK_STRING_RESULT (test_shell_unquote ("\\\n"), "");
    274 
    275   CHECK_STRING_RESULT (test_shell_unquote ("'\\''"), "G_SHELL_ERROR_BAD_QUOTING");
    276 
    277 #if defined (_MSC_VER) && (_MSC_VER <= 1200)
    278   /* using \x22 instead of \" to work around a msvc 5.0, 6.0 compiler bug */
    279   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\x22\""), "\"");
    280 #else
    281   CHECK_STRING_RESULT (test_shell_unquote ("\"\\\"\""), "\"");
    282 #endif
    283 
    284   CHECK_STRING_RESULT (test_shell_unquote ("\""), "G_SHELL_ERROR_BAD_QUOTING");
    285   CHECK_STRING_RESULT (test_shell_unquote ("'"), "G_SHELL_ERROR_BAD_QUOTING");
    286 
    287   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\\\""), "\\");
    288   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\`\""), "`");
    289   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\$\""), "$");
    290   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\n\""), "\n");
    291 
    292   CHECK_STRING_RESULT (test_shell_unquote ("\"\\'\""), "\\'");
    293   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\\r\""), "\\\r");
    294   CHECK_STRING_RESULT (test_shell_unquote ("\x22\\n\""), "\\n");
    295 
    296   return any_test_failed ? 1 : 0;
    297 }
    298