glib/tests/scannerapi.c

   1 /* Gtk+ object tests
   2  * Copyright (C) 2007 Patrick Hulin
   3  * Copyright (C) 2007 Imendio AB
   4  * Authors: Tim Janik
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19 #include <glib.h>
  20 #include <string.h>
  21 #include <stdlib.h>
  22
  23
  24 /* GScanner fixture */
  25 typedef struct {
  26   GScanner *scanner;
  27 } ScannerFixture;
  28 static void
  29 scanner_fixture_setup (ScannerFixture *fix,
  30                        gconstpointer   test_data)
  31 {
  32   fix->scanner = g_scanner_new (NULL);
  33   g_assert (fix->scanner != NULL);
  34 }
  35 static void
  36 scanner_fixture_teardown (ScannerFixture *fix,
  37                           gconstpointer   test_data)
  38 {
  39   g_assert (fix->scanner != NULL);
  40   g_scanner_destroy (fix->scanner);
  41 }
  42
  43 static void
  44 scanner_msg_func (GScanner *scanner,
  45                   gchar    *message,
  46                   gboolean  error)
  47 {
  48   g_assert_cmpstr (message, ==, "test");
  49 }
  50
  51 static void
  52 test_scanner_warn (ScannerFixture *fix,
  53                    gconstpointer   test_data)
  54 {
  55   fix->scanner->msg_handler = scanner_msg_func;
  56   g_scanner_warn (fix->scanner, "test");
  57 }
  58
  59 static void
  60 test_scanner_error (ScannerFixture *fix,
  61                     gconstpointer   test_data)
  62 {
  63   if (g_test_subprocess ())
  64     {
  65       int pe = fix->scanner->parse_errors;
  66       g_scanner_error (fix->scanner, "scanner-error-message-test");
  67       g_assert_cmpint (fix->scanner->parse_errors, ==, pe + 1);
  68       exit (0);
  69     }
  70
  71   g_test_trap_subprocess (NULL, 0, 0);
  72   g_test_trap_assert_passed ();
  73   g_test_trap_assert_stderr ("*scanner-error-message-test*");
  74 }
  75
  76 static void
  77 check_keys (gpointer key,
  78             gpointer value,
  79             gpointer user_data)
  80 {
  81   g_assert_cmpint (GPOINTER_TO_INT (value), ==, g_ascii_strtoull (key, NULL, 0));
  82 }
  83
  84 static void
  85 test_scanner_symbols (ScannerFixture *fix,
  86                       gconstpointer   test_data)
  87 {
  88   gint i;
  89   gchar buf[2];
  90
  91   g_scanner_set_scope (fix->scanner, 1);
  92
  93   for (i = 0; i < 10; i++)
  94     g_scanner_scope_add_symbol (fix->scanner,
  95                                 1,
  96                                 g_ascii_dtostr (buf, 2, (gdouble)i),
  97                                 GINT_TO_POINTER (i));
  98   g_scanner_scope_foreach_symbol (fix->scanner, 1, check_keys, NULL);
  99   g_assert_cmpint (GPOINTER_TO_INT (g_scanner_lookup_symbol (fix->scanner, "5")), ==, 5);
 100   g_scanner_scope_remove_symbol (fix->scanner, 1, "5");
 101   g_assert (g_scanner_lookup_symbol (fix->scanner, "5") == NULL);
 102
 103   g_assert_cmpint (GPOINTER_TO_INT (g_scanner_scope_lookup_symbol (fix->scanner, 1, "4")), ==, 4);
 104   g_assert_cmpint (GPOINTER_TO_INT (g_scanner_scope_lookup_symbol (fix->scanner, 1, "5")), ==, 0);
 105 }
 106
 107 static void
 108 test_scanner_tokens (ScannerFixture *fix,
 109                      gconstpointer   test_data)
 110 {
 111   gchar buf[] = "(\t\n\r\\){}";
 112   const gint buflen = strlen (buf);
 113   gchar tokbuf[] = "(\\){}";
 114   const gint tokbuflen = strlen (tokbuf);
 115   guint i;
 116
 117   g_scanner_input_text (fix->scanner, buf, buflen);
 118
 119   g_assert_cmpint (g_scanner_cur_token (fix->scanner), ==, G_TOKEN_NONE);
 120   g_scanner_get_next_token (fix->scanner);
 121   g_assert_cmpint (g_scanner_cur_token (fix->scanner), ==, tokbuf[0]);
 122   g_assert_cmpint (g_scanner_cur_line (fix->scanner), ==, 1);
 123
 124   for (i = 1; i < tokbuflen; i++)
 125     g_assert_cmpint (g_scanner_get_next_token (fix->scanner), ==, tokbuf[i]);
 126   g_assert_cmpint (g_scanner_get_next_token (fix->scanner), ==, G_TOKEN_EOF);
 127   return;
 128 }
 129
 130 int
 131 main (int   argc,
 132       char *argv[])
 133 {
 134   g_test_init (&argc, &argv, NULL);
 135
 136   g_test_add ("/scanner/warn", ScannerFixture, 0, scanner_fixture_setup, test_scanner_warn, scanner_fixture_teardown);
 137   g_test_add ("/scanner/error", ScannerFixture, 0, scanner_fixture_setup, test_scanner_error, scanner_fixture_teardown);
 138   g_test_add ("/scanner/symbols", ScannerFixture, 0, scanner_fixture_setup, test_scanner_symbols, scanner_fixture_teardown);
 139   g_test_add ("/scanner/tokens", ScannerFixture, 0, scanner_fixture_setup, test_scanner_tokens, scanner_fixture_teardown);
 140
 141   return g_test_run();
 142 }