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      1 /* GLib testing framework examples and tests
      2  * Copyright (C) 2008 Red Hat, Inc.
      3  * Authors: Tomas Bzatek <tbzatek (at) 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_BYTES	0x10000
     30 
     31 static void
     32 test_seek_to_start (GInputStream *stream)
     33 {
     34   GError *error = NULL;
     35   gboolean res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
     36   g_assert_cmpint (res, ==, TRUE);
     37   g_assert_no_error (error);
     38 }
     39 
     40 static void
     41 test_read_lines (GDataStreamNewlineType newline_type)
     42 {
     43   GInputStream *stream;
     44   GInputStream *base_stream;
     45   GError *error = NULL;
     46   char *data;
     47   int line;
     48   const char* lines[MAX_LINES];
     49   const char* endl[4] = {"\n", "\r", "\r\n", "\n"};
     50 
     51   /*  prepare data */
     52   int i;
     53   for (i = 0; i < MAX_LINES; i++)
     54     lines[i] = "some_text";
     55 
     56   base_stream = g_memory_input_stream_new ();
     57   g_assert (base_stream != NULL);
     58   stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
     59   g_assert(stream != NULL);
     60 
     61   /*  Byte order testing */
     62   g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
     63   g_assert_cmpint (g_data_input_stream_get_byte_order (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN);
     64   g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
     65   g_assert_cmpint (g_data_input_stream_get_byte_order (G_DATA_INPUT_STREAM (stream)), ==, G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN);
     66 
     67   /*  Line ends testing */
     68   g_data_input_stream_set_newline_type (G_DATA_INPUT_STREAM (stream), newline_type);
     69   g_assert_cmpint (g_data_input_stream_get_newline_type (G_DATA_INPUT_STREAM (stream)), ==, newline_type);
     70 
     71 
     72   /*  Add sample data */
     73   for (i = 0; i < MAX_LINES; i++)
     74     g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream),
     75 				    g_strconcat (lines[i], endl[newline_type], NULL), -1, NULL);
     76 
     77   /*  Seek to the start */
     78   test_seek_to_start (base_stream);
     79 
     80   /*  Test read line */
     81   error = NULL;
     82   data = (char*)1;
     83   line = 0;
     84   while (data)
     85     {
     86       gsize length = -1;
     87       data = g_data_input_stream_read_line (G_DATA_INPUT_STREAM (stream), &length, NULL, &error);
     88       if (data)
     89 	{
     90 	  g_assert_cmpstr (data, ==, lines[line]);
     91 	  g_assert_no_error (error);
     92 	  line++;
     93 	}
     94     }
     95   g_assert_cmpint (line, ==, MAX_LINES);
     96 
     97 
     98   g_object_unref (base_stream);
     99   g_object_unref (stream);
    100 }
    101 
    102 static void
    103 test_read_lines_LF (void)
    104 {
    105   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_LF);
    106 }
    107 
    108 static void
    109 test_read_lines_CR (void)
    110 {
    111   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR);
    112 }
    113 
    114 static void
    115 test_read_lines_CR_LF (void)
    116 {
    117   test_read_lines (G_DATA_STREAM_NEWLINE_TYPE_CR_LF);
    118 }
    119 
    120 
    121 static void
    122 test_read_until (void)
    123 {
    124   GInputStream *stream;
    125   GInputStream *base_stream;
    126   GError *error = NULL;
    127   char *data;
    128   int line;
    129   int i;
    130 
    131 #define REPEATS			10   /* number of rounds */
    132 #define DATA_STRING		" part1 # part2 $ part3 % part4 ^"
    133 #define DATA_PART_LEN		7    /* number of characters between separators */
    134 #define DATA_SEP		"#$%^"
    135   const int DATA_PARTS_NUM = strlen (DATA_SEP) * REPEATS;
    136 
    137   base_stream = g_memory_input_stream_new ();
    138   stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
    139 
    140   for (i = 0; i < REPEATS; i++)
    141     g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream), DATA_STRING, -1, NULL);
    142 
    143   /*  Test stop characters */
    144   error = NULL;
    145   data = (char*)1;
    146   line = 0;
    147   while (data)
    148     {
    149       gsize length = -1;
    150       data = g_data_input_stream_read_until (G_DATA_INPUT_STREAM (stream), DATA_SEP, &length, NULL, &error);
    151       if (data)
    152 	{
    153 	  g_assert_cmpint (strlen (data), ==, DATA_PART_LEN);
    154 	  g_assert_no_error (error);
    155 	  line++;
    156 	}
    157     }
    158   g_assert_no_error (error);
    159   g_assert_cmpint (line, ==, DATA_PARTS_NUM);
    160 
    161 
    162   g_object_unref (base_stream);
    163   g_object_unref (stream);
    164 }
    165 
    166 enum TestDataType {
    167   TEST_DATA_BYTE = 0,
    168   TEST_DATA_INT16,
    169   TEST_DATA_UINT16,
    170   TEST_DATA_INT32,
    171   TEST_DATA_UINT32,
    172   TEST_DATA_INT64,
    173   TEST_DATA_UINT64
    174 };
    175 
    176 #define TEST_DATA_RETYPE_BUFF(a, v)	\
    177 	 (a == TEST_DATA_BYTE	? *(guchar*)v : \
    178 	 (a == TEST_DATA_INT16	? *(gint16*)v :	 \
    179 	 (a == TEST_DATA_UINT16	? *(guint16*)v : \
    180 	 (a == TEST_DATA_INT32	? *(gint32*)v :	 \
    181 	 (a == TEST_DATA_UINT32	? *(guint32*)v : \
    182 	 (a == TEST_DATA_INT64	? *(gint64*)v :	 \
    183 	 *(guint64*)v ))))))
    184 
    185 
    186 static void
    187 test_data_array (GInputStream *stream, GInputStream *base_stream,
    188 		 gpointer buffer, int len,
    189 		 enum TestDataType data_type, GDataStreamByteOrder byte_order)
    190 {
    191   GError *error = NULL;
    192   int pos = 0;
    193   int data_size = 1;
    194   gint64 data;
    195   GDataStreamByteOrder native;
    196   gboolean swap;
    197 
    198   /*  Seek to start */
    199   test_seek_to_start (base_stream);
    200 
    201   /*  Set correct data size */
    202   switch (data_type)
    203     {
    204     case TEST_DATA_BYTE:
    205       data_size = 1;
    206       break;
    207     case TEST_DATA_INT16:
    208     case TEST_DATA_UINT16:
    209       data_size = 2;
    210       break;
    211     case TEST_DATA_INT32:
    212     case TEST_DATA_UINT32:
    213       data_size = 4;
    214       break;
    215     case TEST_DATA_INT64:
    216     case TEST_DATA_UINT64:
    217       data_size = 8;
    218       break;
    219     }
    220 
    221   /*  Set flag to swap bytes if needed */
    222   native = (G_BYTE_ORDER == G_BIG_ENDIAN) ? G_DATA_STREAM_BYTE_ORDER_BIG_ENDIAN : G_DATA_STREAM_BYTE_ORDER_LITTLE_ENDIAN;
    223   swap = (byte_order != G_DATA_STREAM_BYTE_ORDER_HOST_ENDIAN) && (byte_order != native);
    224 
    225   data = 1;
    226   while (data != 0)
    227     {
    228       switch (data_type)
    229 	{
    230 	case TEST_DATA_BYTE:
    231 	  data = g_data_input_stream_read_byte (G_DATA_INPUT_STREAM (stream), NULL, &error);
    232 	  break;
    233 	case TEST_DATA_INT16:
    234 	  data = g_data_input_stream_read_int16 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    235 	  if (swap)
    236 	    data = (gint16)GUINT16_SWAP_LE_BE((gint16)data);
    237 	  break;
    238 	case TEST_DATA_UINT16:
    239 	  data = g_data_input_stream_read_uint16 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    240 	  if (swap)
    241 	    data = (guint16)GUINT16_SWAP_LE_BE((guint16)data);
    242 	  break;
    243 	case TEST_DATA_INT32:
    244 	  data = g_data_input_stream_read_int32 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    245 	  if (swap)
    246 	    data = (gint32)GUINT32_SWAP_LE_BE((gint32)data);
    247 	  break;
    248 	case TEST_DATA_UINT32:
    249 	  data = g_data_input_stream_read_uint32 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    250 	  if (swap)
    251 	    data = (guint32)GUINT32_SWAP_LE_BE((guint32)data);
    252 	  break;
    253 	case TEST_DATA_INT64:
    254 	  data = g_data_input_stream_read_int64 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    255 	  if (swap)
    256 	    data = (gint64)GUINT64_SWAP_LE_BE((gint64)data);
    257 	  break;
    258 	case TEST_DATA_UINT64:
    259 	  data = g_data_input_stream_read_uint64 (G_DATA_INPUT_STREAM (stream), NULL, &error);
    260 	  if (swap)
    261 	    data = (guint64)GUINT64_SWAP_LE_BE((guint64)data);
    262 	  break;
    263 	}
    264       if ((data) && (! error))
    265 	g_assert_cmpint (data, ==, TEST_DATA_RETYPE_BUFF(data_type, ((guchar*)buffer + pos)));
    266 
    267       pos += data_size;
    268     }
    269   if (pos < len + 1)
    270     g_assert_no_error (error);
    271   g_assert_cmpint (pos - data_size, ==, len);
    272 }
    273 
    274 static void
    275 test_read_int (void)
    276 {
    277   GInputStream *stream;
    278   GInputStream *base_stream;
    279   GRand *rand;
    280   int i;
    281   gpointer buffer;
    282 
    283   rand = g_rand_new ();
    284   buffer = g_malloc0 (MAX_BYTES);
    285 
    286   /*  Fill in some random data */
    287   for (i = 0; i < MAX_BYTES; i++)
    288     {
    289       guchar x = 0;
    290       while (! x)
    291 	x = (guchar)g_rand_int (rand);
    292       *(guchar*)((guchar*)buffer + sizeof(guchar) * i) = x;
    293     }
    294 
    295   base_stream = g_memory_input_stream_new ();
    296   stream = G_INPUT_STREAM (g_data_input_stream_new (base_stream));
    297   g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (base_stream), buffer, MAX_BYTES, NULL);
    298 
    299 
    300   for (i = 0; i < 3; i++)
    301     {
    302       int j;
    303       g_data_input_stream_set_byte_order (G_DATA_INPUT_STREAM (stream), i);
    304 
    305       for (j = 0; j <= TEST_DATA_UINT64; j++)
    306 	test_data_array (stream, base_stream, buffer, MAX_BYTES, j, i);
    307     }
    308 
    309   g_object_unref (base_stream);
    310   g_object_unref (stream);
    311   g_rand_free (rand);
    312   g_free (buffer);
    313 }
    314 
    315 
    316 int
    317 main (int   argc,
    318       char *argv[])
    319 {
    320   g_type_init ();
    321   g_test_init (&argc, &argv, NULL);
    322 
    323   g_test_add_func ("/data-input-stream/read-lines-LF", test_read_lines_LF);
    324   g_test_add_func ("/data-input-stream/read-lines-CR", test_read_lines_CR);
    325   g_test_add_func ("/data-input-stream/read-lines-CR-LF", test_read_lines_CR_LF);
    326   g_test_add_func ("/data-input-stream/read-until", test_read_until);
    327   g_test_add_func ("/data-input-stream/read-int", test_read_int);
    328 
    329   return g_test_run();
    330 }
    331