1 /* GLib testing framework examples and tests
2 * Copyright (C) 2007 Imendio AB
3 * Authors: Tim Janik
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 static void
test_read_chunks(void)29 test_read_chunks (void)
30 {
31 const char *data1 = "abcdefghijklmnopqrstuvwxyz";
32 const char *data2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
33 const char *result = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
34 char buffer[128];
35 gsize bytes_read, pos, len, chunk_size;
36 GError *error = NULL;
37 GInputStream *stream;
38 gboolean res;
39
40 stream = g_memory_input_stream_new ();
41
42 g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
43 data1, -1, NULL);
44 g_memory_input_stream_add_data (G_MEMORY_INPUT_STREAM (stream),
45 data2, -1, NULL);
46 len = strlen (data1) + strlen (data2);
47
48 for (chunk_size = 1; chunk_size < len - 1; chunk_size++)
49 {
50 pos = 0;
51 while (pos < len)
52 {
53 bytes_read = g_input_stream_read (stream, buffer, chunk_size, NULL, &error);
54 g_assert_no_error (error);
55 g_assert_cmpint (bytes_read, ==, MIN (chunk_size, len - pos));
56 g_assert (strncmp (buffer, result + pos, bytes_read) == 0);
57
58 pos += bytes_read;
59 }
60
61 g_assert_cmpint (pos, ==, len);
62 res = g_seekable_seek (G_SEEKABLE (stream), 0, G_SEEK_SET, NULL, &error);
63 g_assert_cmpint (res, ==, TRUE);
64 g_assert_no_error (error);
65 }
66 }
67
68 int
main(int argc,char * argv[])69 main (int argc,
70 char *argv[])
71 {
72 g_type_init ();
73 g_test_init (&argc, &argv, NULL);
74
75 g_test_add_func ("/memory-input-stream/read-chunks", test_read_chunks);
76
77 return g_test_run();
78 }
79