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phunix/tests/include/t_bitstring.c
Lionel Sambuc 11be35a165 Importing NetBSD "Kyua" test framework 
To do so, a few dependencies have been imported:

 * external/bsd/lutok
 * external/mit/lua
 * external/public-domain/sqlite
 * external/public-domain/xz

The Kyua framework is the new generation of ATF (Automated Test
Framework), it is composed of:

 * external/bsd/atf
 * external/bsd/kyua-atf-compat
 * external/bsd/kyua-cli
 * external/bsd/kyua-tester
 * tests

Kyua/ATF being written in C++, it depends on libstdc++ which is
provided by GCC. As this is not part of the sources, Kyua is only
compiled when the native GCC utils are installed.

To install Kyua do the following:

 * In a cross-build enviromnent, add the following to the build.sh
   commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes

WARNING:
  At this point the import is still experimental, and not supported
  on native builds (a.k.a make build).

Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
2013-07-23 20:43:41 +02:00

299 lines
8.3 KiB
C
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/* $NetBSD: t_bitstring.c,v 1.4 2012/03/25 06:54:04 joerg Exp $ */
/*-
* Copyright (c) 1993, 2008, 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <assert.h>
#include <bitstring.h>
#include <stdio.h>
#include <stdlib.h>
#include <atf-c.h>
static void
clearbits(bitstr_t *b, int n)
{
int i = bitstr_size(n);
while(i--)
*(b + i) = 0;
}
static void
printbits(FILE *file, bitstr_t *b, int n)
{
int i;
int jc, js;
bit_ffc(b, n, &jc);
bit_ffs(b, n, &js);
(void) fprintf(file, "%3d %3d ", jc, js);
for (i=0; i < n; i++) {
(void) fprintf(file, "%c", (bit_test(b, i) ? '1' : '0'));
}
(void) fprintf(file, "%c", '\n');
}
static void
calculate_data(FILE *file, const int test_length)
{
int i;
bitstr_t *bs;
assert(test_length >= 4);
(void) fprintf(file, "Testing with TEST_LENGTH = %d\n\n", test_length);
(void) fprintf(file, "test _bit_byte, _bit_mask, and bitstr_size\n");
(void) fprintf(file, " i _bit_byte(i) _bit_mask(i) bitstr_size(i)\n");
for (i=0; i < test_length; i++) {
(void) fprintf(file, "%3d%15u%15u%15zu\n",
i, _bit_byte(i), _bit_mask(i), bitstr_size(i));
}
bs = bit_alloc(test_length);
clearbits(bs, test_length);
(void) fprintf(file, "\ntest bit_alloc, clearbits, bit_ffc, bit_ffs\n");
(void) fprintf(file, "be: 0 -1 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", '0');
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
(void) fprintf(file, "\ntest bit_set\n");
for (i=0; i < test_length; i+=3)
bit_set(bs, i);
(void) fprintf(file, "be: 1 0 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", "100"[i % 3]);
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
(void) fprintf(file, "\ntest bit_clear\n");
for (i=0; i < test_length; i+=6)
bit_clear(bs, i);
(void) fprintf(file, "be: 0 3 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", "000100"[i % 6]);
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
(void) fprintf(file, "\ntest bit_test using previous bitstring\n");
(void) fprintf(file, " i bit_test(i)\n");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%3d%15d\n", i, bit_test(bs, i));
clearbits(bs, test_length);
(void) fprintf(file, "\ntest clearbits\n");
(void) fprintf(file, "be: 0 -1 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", '0');
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
(void) fprintf(file, "\ntest bit_nset and bit_nclear\n");
bit_nset(bs, 1, test_length - 2);
(void) fprintf(file, "be: 0 1 0");
for (i=0; i < test_length - 2; i++)
(void) fprintf(file, "%c", '1');
(void) fprintf(file, "0\nis: ");
printbits(file, bs, test_length);
bit_nclear(bs, 2, test_length - 3);
(void) fprintf(file, "be: 0 1 01");
for (i=0; i < test_length - 4; i++)
(void) fprintf(file, "%c", '0');
(void) fprintf(file, "10\nis: ");
printbits(file, bs, test_length);
bit_nclear(bs, 0, test_length - 1);
(void) fprintf(file, "be: 0 -1 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", '0');
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
bit_nset(bs, 0, test_length - 2);
(void) fprintf(file, "be: %3d 0 ",test_length - 1);
for (i=0; i < test_length - 1; i++)
(void) fprintf(file, "%c", '1');
fprintf(file, "%c", '0');
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
bit_nclear(bs, 0, test_length - 1);
(void) fprintf(file, "be: 0 -1 ");
for (i=0; i < test_length; i++)
(void) fprintf(file, "%c", '0');
(void) fprintf(file, "\nis: ");
printbits(file, bs, test_length);
(void) fprintf(file, "\n");
(void) fprintf(file, "first 1 bit should move right 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nclear(bs, 0, test_length - 1);
bit_nset(bs, i, test_length - 1);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) fprintf(file, "\n");
(void) fprintf(file, "first 0 bit should move right 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nset(bs, 0, test_length - 1);
bit_nclear(bs, i, test_length - 1);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) fprintf(file, "\n");
(void) fprintf(file, "first 0 bit should move left 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nclear(bs, 0, test_length - 1);
bit_nset(bs, 0, test_length - 1 - i);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) fprintf(file, "\n");
(void) fprintf(file, "first 1 bit should move left 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nset(bs, 0, test_length - 1);
bit_nclear(bs, 0, test_length - 1 - i);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) fprintf(file, "\n");
(void) fprintf(file, "0 bit should move right 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nset(bs, 0, test_length - 1);
bit_nclear(bs, i, i);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) fprintf(file, "\n");
(void) fprintf(file, "1 bit should move right 1 position each line\n");
for (i=0; i < test_length; i++) {
bit_nclear(bs, 0, test_length - 1);
bit_nset(bs, i, i);
(void) fprintf(file, "%3d ", i); printbits(file, bs, test_length);
}
(void) free(bs);
}
static void
one_check(const atf_tc_t *tc, const int test_length)
{
FILE *out;
char command[1024];
ATF_REQUIRE((out = fopen("out", "w")) != NULL);
calculate_data(out, test_length);
fclose(out);
/* XXX The following is a huge hack that was added to simplify the
* conversion of these tests from src/regress/ to src/tests/. The
* tests in this file should be checking their own results, without
* having to resort to external data files. */
snprintf(command, sizeof(command), "diff -u %s/d_bitstring_%d.out out",
atf_tc_get_config_var(tc, "srcdir"), test_length);
if (system(command) != EXIT_SUCCESS)
atf_tc_fail("Test failed; see output for details");
}
ATF_TC(bits_8);
ATF_TC_HEAD(bits_8, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 8-bit long bitstrings");
}
ATF_TC_BODY(bits_8, tc)
{
one_check(tc, 8);
}
ATF_TC(bits_27);
ATF_TC_HEAD(bits_27, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 27-bit long bitstrings");
}
ATF_TC_BODY(bits_27, tc)
{
one_check(tc, 27);
}
ATF_TC(bits_32);
ATF_TC_HEAD(bits_32, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 32-bit long bitstrings");
}
ATF_TC_BODY(bits_32, tc)
{
one_check(tc, 32);
}
ATF_TC(bits_49);
ATF_TC_HEAD(bits_49, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 49-bit long bitstrings");
}
ATF_TC_BODY(bits_49, tc)
{
one_check(tc, 49);
}
ATF_TC(bits_64);
ATF_TC_HEAD(bits_64, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 64-bit long bitstrings");
}
ATF_TC_BODY(bits_64, tc)
{
one_check(tc, 64);
}
ATF_TC(bits_67);
ATF_TC_HEAD(bits_67, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks 67-bit long bitstrings");
}
ATF_TC_BODY(bits_67, tc)
{
one_check(tc, 67);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, bits_8);
ATF_TP_ADD_TC(tp, bits_27);
ATF_TP_ADD_TC(tp, bits_32);
ATF_TP_ADD_TC(tp, bits_49);
ATF_TP_ADD_TC(tp, bits_64);
ATF_TP_ADD_TC(tp, bits_67);
return atf_no_error();
}
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