ostree/tests/test-varint.c
2015-05-06 21:50:17 -04:00

71 lines
2.1 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*-
*
* Copyright (C) 2013 Colin Walters <walters@verbum.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "libgsystem.h"
#include "libglnx.h"
#include "ostree-varint.h"
static void
check_one_roundtrip (guint64 val)
{
GString *buf = g_string_new (NULL);
guint64 newval;
gsize bytes_read;
_ostree_write_varuint64 (buf, val);
if (g_test_verbose ())
{
gs_unref_variant GVariant *v = g_variant_new_from_data (G_VARIANT_TYPE ("ay"), buf->str, buf->len, TRUE, NULL, NULL);
g_autofree char *data = g_variant_print (v, FALSE);
g_test_message ("%" G_GUINT64_FORMAT " -> %s", val, data);
}
g_assert (_ostree_read_varuint64 ((guint8*)buf->str, buf->len, &newval, &bytes_read));
g_assert_cmpint (bytes_read, <=, 10);
g_assert_cmpint (val, ==, newval);
}
static void
test_roundtrips (void)
{
const guint64 test_inputs[] = { 0, 1, 0x6F, 0xA0, 0xFF, 0xF0F0, 0xCAFE,
0xCAFEBABE, G_MAXUINT64, G_MAXUINT64-1,
G_MAXUINT64 / 2};
guint i;
for (i = 0; i < G_N_ELEMENTS (test_inputs); i++)
check_one_roundtrip (test_inputs[i]);
}
int
main (int argc, char **argv)
{
g_setenv ("GIO_USE_VFS", "local", TRUE);
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/ostree/varint", test_roundtrips);
return g_test_run ();
}