gio/tests/data-output-stream.c

   1 /* GLib testing framework examples and tests
   2  * Copyright (C) 2008 Red Hat, Inc.
   3  * Authors: Tomas Bzatek <tbzatek@redhat.com>
   4  *
   5  * This work is provided "as is"; redistribution and modification
   6  * in whole or in part, in any medium, physical or electronic is
   7  * permitted without restriction.
   8  *
   9  * This work 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.
  12  *
  13  * In no event shall the authors or contributors be liable for any
  14  * direct, indirect, incidental, special, exemplary, or consequential
  15  * damages (including, but not limited to, procurement of substitute
  16  * goods or services; loss of use, data, or profits; or business
  17  * interruption) however caused and on any theory of liability, whether
  18  * in contract, strict liability, or tort (including negligence or
  19  * otherwise) arising in any way out of the use of this software, even
  20  * if advised of the possibility of such damage.
  21  */
  22
  23 #include <glib/glib.h>
  24 #include <gio/gio.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27
  28 #define MAX_LINES               0xFFF
  29 #define MAX_LINES_BUFF          0xFFFFFF
  30 #define MAX_BYTES_BINARY        0x100
  31
  32 static void
  33 test_read_lines (GDataStreamNewlineType newline_type)
  34 {
  35   GOutputStream *stream;
  36   GOutputStream *base_stream;
  37   GError *error = NULL;
  38   gpointer data;
  39   char *lines;
  40   int size;
  41   int i;
  42
  43 #define TEST_STRING     "some_text"
  44
  45   const char* endl[4] = {"\n", "\r", "\r\n", "\n"};
  46
  47
  48   data = g_malloc0 (MAX_LINES_BUFF);
  49   lines = g_malloc0 ((strlen (TEST_STRING) + strlen (endl[newline_type])) * MAX_LINES + 1);
  50
  51   /* initialize objects */
  52   base_stream = g_memory_output_stream_new (data, MAX_LINES_BUFF, NULL, NULL);
  53   stream = G_OUTPUT_STREAM (g_data_output_stream_new (base_stream));
  54
  55
  56   /*  fill data */
  57   for (i = 0; i < MAX_LINES; i++)
  58     {
  59       gboolean res;
  60       char *s = g_strconcat (TEST_STRING, endl[newline_type], NULL);
  61       res = g_data_output_stream_put_string (G_DATA_OUTPUT_STREAM (stream), s, NULL, &error);
  62       g_stpcpy ((char*)(lines + i*strlen(s)), s);
  63       g_assert (error == NULL);
  64       g_assert (res == TRUE);
  65     }
  66
  67   /*  Byte order testing */
  68   g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
  69   g_assert_cmpint (g_data_output_stream_get_byte_order (G_DATA_OUTPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
  70   g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
  71   g_assert_cmpint (g_data_output_stream_get_byte_order (G_DATA_OUTPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
  72
  73   /*  compare data */
  74   size = strlen (data);
  75   g_assert_cmpint (size, <, MAX_LINES_BUFF);
  76   g_assert_cmpstr ((char*)data, ==, lines);
  77
  78   g_object_unref (base_stream);
  79   g_object_unref (stream);
  80   g_free (data);
  81   g_free (lines);
  82 }
  83
  84 static void
  85 test_read_lines_LF (void)
  86 {
  87   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_LF);
  88 }
  89
  90 static void
  91 test_read_lines_CR (void)
  92 {
  93   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR);
  94 }
  95
  96 static void
  97 test_read_lines_CR_LF (void)
  98 {
  99   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
 100 }
 101
 102 enum TestDataType {
 103   TEST_DATA_BYTE = 0,
 104   TEST_DATA_INT16,
 105   TEST_DATA_UINT16,
 106   TEST_DATA_INT32,
 107   TEST_DATA_UINT32,
 108   TEST_DATA_INT64,
 109   TEST_DATA_UINT64
 110 };
 111
 112 #define TEST_DATA_RETYPE(a, v)  \
 113         (a == TEST_DATA_BYTE    ? (guchar)v : \
 114         (a == TEST_DATA_INT16   ? (gint16)v : \
 115         (a == TEST_DATA_UINT16  ? (guint16)v : \
 116         (a == TEST_DATA_INT32   ? (gint32)v : \
 117         (a == TEST_DATA_UINT32  ? (guint32)v : \
 118         (a == TEST_DATA_INT64   ? (gint64)v : \
 119          (guint64)v ))))))
 120
 121 #define TEST_DATA_RETYPE_BUFF(a, v)     \
 122         (a == TEST_DATA_BYTE    ? *(guchar*)v : \
 123         (a == TEST_DATA_INT16   ? *(gint16*)v : \
 124         (a == TEST_DATA_UINT16  ? *(guint16*)v : \
 125         (a == TEST_DATA_INT32   ? *(gint32*)v : \
 126         (a == TEST_DATA_UINT32  ? *(guint32*)v : \
 127         (a == TEST_DATA_INT64   ? *(gint64*)v : \
 128          *(guint64*)v ))))))
 129
 130
 131
 132
 133 static void
 134 test_data_array (gpointer buffer, int len,
 135                  enum TestDataType data_type, GDataStreamByteOrder byte_order)
 136 {
 137   GOutputStream *stream;
 138   GOutputStream *base_stream;
 139   gpointer stream_data;
 140
 141   GError *error = NULL;
 142   int pos;
 143   int data_size = 1;
 144   GDataStreamByteOrder native;
 145   gboolean swap;
 146   gboolean res;
 147   guint64 data;
 148
 149   /*  create objects */
 150   stream_data = g_malloc0 (len);
 151   base_stream = g_memory_output_stream_new (stream_data, len, NULL, NULL);
 152   stream = G_OUTPUT_STREAM (g_data_output_stream_new (base_stream));
 153   g_data_output_stream_set_byte_order (G_DATA_OUTPUT_STREAM (stream), byte_order);
 154
 155
 156   /*  Set correct data size */
 157   switch (data_type)
 158     {
 159     case TEST_DATA_BYTE:
 160       data_size = 1;
 161       break;
 162     case TEST_DATA_INT16:
 163     case TEST_DATA_UINT16:
 164       data_size = 2;
 165       break;
 166     case TEST_DATA_INT32:
 167     case TEST_DATA_UINT32:
 168       data_size = 4;
 169       break;
 170     case TEST_DATA_INT64:
 171     case TEST_DATA_UINT64:
 172       data_size = 8;
 173       break;
 174     }
 175
 176   /*  Set flag to swap bytes if needed */
 177   native = (G_BYTE_ORDER == G_BIG_ENDIAN) ? G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN : G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
 178   swap = (byte_order != G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN) && (byte_order != native);
 179
 180   /*  Write data to the file */
 181   pos = 0;
 182   while (pos < len)
 183     {
 184       switch (data_type)
 185         {
 186         case TEST_DATA_BYTE:
 187           res = g_data_output_stream_put_byte (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 188           break;
 189         case TEST_DATA_INT16:
 190           res = g_data_output_stream_put_int16 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 191           break;
 192         case TEST_DATA_UINT16:
 193           res = g_data_output_stream_put_uint16 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 194           break;
 195         case TEST_DATA_INT32:
 196           res = g_data_output_stream_put_int32 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 197           break;
 198         case TEST_DATA_UINT32:
 199           res = g_data_output_stream_put_uint32 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 200           break;
 201         case TEST_DATA_INT64:
 202           res = g_data_output_stream_put_int64 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 203           break;
 204         case TEST_DATA_UINT64:
 205           res = g_data_output_stream_put_uint64 (G_DATA_OUTPUT_STREAM (stream), TEST_DATA_RETYPE_BUFF (data_type, ((guchar*)buffer + pos)), NULL, &error);
 206           break;
 207         }
 208       g_assert (error == NULL);
 209       g_assert_cmpint (res, ==, TRUE);
 210       pos += data_size;
 211     }
 212
 213
 214   /*  Compare data back */
 215   pos = 0;
 216   data = 0;
 217   while (pos < len)
 218     {
 219       data = TEST_DATA_RETYPE_BUFF(data_type, ((guchar*)stream_data + pos));
 220       if (swap)
 221         {
 222           switch (data_type)
 223             {
 224             case TEST_DATA_BYTE:
 225               break;
 226             case TEST_DATA_UINT16:
 227             case TEST_DATA_INT16:
 228               data = TEST_DATA_RETYPE(data_type, GUINT16_SWAP_LE_BE(TEST_DATA_RETYPE(data_type, data)));
 229               break;
 230             case TEST_DATA_UINT32:
 231             case TEST_DATA_INT32:
 232               data = TEST_DATA_RETYPE(data_type, GUINT32_SWAP_LE_BE(TEST_DATA_RETYPE(data_type, data)));
 233               break;
 234             case TEST_DATA_UINT64:
 235             case TEST_DATA_INT64:
 236               data = TEST_DATA_RETYPE(data_type, GUINT64_SWAP_LE_BE(TEST_DATA_RETYPE(data_type, data)));
 237               break;
 238             }
 239         }
 240       g_assert_cmpint (data, ==, TEST_DATA_RETYPE_BUFF(data_type, ((guchar*)buffer + pos)));
 241       break;
 242
 243       pos += data_size;
 244     }
 245
 246   g_object_unref (base_stream);
 247   g_object_unref (stream);
 248   g_free (stream_data);
 249 }
 250
 251 static void
 252 test_read_int (void)
 253 {
 254   GRand *rand;
 255   gpointer buffer;
 256   int i;
 257
 258   rand = g_rand_new ();
 259   buffer = g_malloc0(MAX_BYTES_BINARY);
 260
 261   /*  Fill in some random data */
 262   for (i = 0; i < MAX_BYTES_BINARY; i++)
 263     {
 264       guchar x = 0;
 265       while (! x)  x = (guchar)g_rand_int (rand);
 266       *(guchar*)((guchar*)buffer + sizeof (guchar) * i) = x;
 267     }
 268
 269   for (i = 0; i < 3; i++)
 270     {
 271       int j;
 272       for (j = 0; j <= TEST_DATA_UINT64; j++)
 273         test_data_array (buffer, MAX_BYTES_BINARY, j, i);
 274     }
 275
 276   g_rand_free (rand);
 277   g_free (buffer);
 278 }
 279
 280 int
 281 main (int   argc,
 282       char *argv[])
 283 {
 284   g_type_init ();
 285   g_test_init (&argc, &argv, NULL);
 286
 287   g_test_add_func ("/data-input-stream/read-lines-LF", test_read_lines_LF);
 288   g_test_add_func ("/data-input-stream/read-lines-CR", test_read_lines_CR);
 289   g_test_add_func ("/data-input-stream/read-lines-CR-LF", test_read_lines_CR_LF);
 290   g_test_add_func ("/data-input-stream/read-int", test_read_int);
 291
 292   return g_test_run();
 293 }