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/* t-addr.c - Test the implementation of the various addr functions.
Copyright (C) 2007 Free Software Foundation, Inc.
Written by Neal H. Walfield <neal@gnu.org>.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 3 of the
License, or (at your option) any later version.
The GNU Hurd 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>. */
#include <hurd/stddef.h>
#include <hurd/types.h>
#include <viengoos/addr.h>
#include <assert.h>
#include <viengoos/math.h>
char *program_name = "t-addr";
int output_debug = 0;
int
main (int argc, char *argv[])
{
vg_addr_t addr;
int i, j;
printf ("Checking VG_ADDR... ");
for (i = 0; i < VG_ADDR_BITS; i ++)
{
addr = VG_ADDR (1ULL << i, VG_ADDR_BITS - i);
debug (1, "%llx/%d =? %llx/%d\n",
1ULL << i, VG_ADDR_BITS - i,
vg_addr_prefix (addr), vg_addr_depth (addr));
assert (vg_addr_depth (addr) == VG_ADDR_BITS - i);
assert (vg_addr_prefix (addr) == 1ull << i);
}
printf ("ok.\n");
printf ("Checking vg_addr_extend... ");
addr = VG_ADDR (0, 0);
for (i = 1; i < VG_ADDR_BITS; i ++)
{
addr = vg_addr_extend (addr, 1, 1);
assert (vg_addr_depth (addr) == i);
assert (vg_msb64 (vg_addr_prefix (addr)) == VG_ADDR_BITS);
assert (vg_lsb64 (vg_addr_prefix (addr)) == VG_ADDR_BITS - i + 1);
}
printf ("ok.\n");
printf ("Checking vg_addr_extract... ");
addr = VG_ADDR (0, 0);
for (i = 0; i < VG_ADDR_BITS; i ++)
{
addr = VG_ADDR (((1ULL << i) - 1) << (VG_ADDR_BITS - i), i);
for (j = 0; j <= i; j ++)
{
l4_uint64_t idx = vg_addr_extract (addr, j);
assert (idx == (1ULL << j) - 1);
}
}
printf ("ok.\n");
return 0;
}
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