Integrate acct(2) testcase in as tests/sys/kern/acct/acct_test
The :encode_tv_random_million testcase fails the epsilon tests a few thousand times out of one million, so expect the testcase to fail MFC after: 1 week Submitted by: keramida Sponsored by: EMC / Isilon Storage Division
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ngie
commit
8857f1af71
@ -373,6 +373,8 @@
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file
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..
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kern
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acct
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..
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execve
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..
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..
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@ -13,6 +13,7 @@ LDADD.unix_seqpacket_test+= -lpthread
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WARNS?= 5
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TESTS_SUBDIRS+= acct
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TESTS_SUBDIRS+= execve
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.include <bsd.test.mk>
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17
tests/sys/kern/acct/Makefile
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17
tests/sys/kern/acct/Makefile
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@ -0,0 +1,17 @@
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# $FreeBSD$
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TESTSDIR= ${TESTSBASE}/sys/kern/acct
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ATF_TESTS_C= acct_test
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CFLAGS+= -I${.OBJDIR}
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CLEANFILES+= convert.c
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DPSRCS.acct_test= convert.c
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convert.c: ${SRCTOP}/sys/kern/kern_acct.c
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sed -n -e 's/log(/syslog(/g' \
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-e '/FLOAT_CONVERSION_START/,/FLOAT_CONVERSION_END/p' ${.ALLSRC} >>${.TARGET}
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.include <bsd.test.mk>
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237
tests/sys/kern/acct/acct_test.c
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237
tests/sys/kern/acct/acct_test.c
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@ -0,0 +1,237 @@
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/*-
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* Copyright (c) 2011 Giorgos Keramidas. All rights reserved.
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* Copyright (c) 2007 Diomidis Spinellis. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <assert.h>
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#include <errno.h>
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#include <float.h>
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#include <limits.h>
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#include <math.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <syslog.h>
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#include <time.h>
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#include <atf-c.h>
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#define KASSERT(val, msg) assert(val)
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typedef u_int32_t comp_t;
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#define AHZ 1000000
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#include "convert.c"
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union cf {
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comp_t c;
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float f;
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};
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static void
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check_result(const char *name, float expected, union cf v)
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{
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double eps;
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eps = fabs(expected - v.f) / expected;
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ATF_CHECK(eps <= FLT_EPSILON);
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if (eps > FLT_EPSILON) {
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printf("Error in %s\n", name);
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printf("Got 0x%08x %12g\n", v.c, v.f);
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v.f = expected;
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printf("Expected 0x%08x %12g (%.15lg)\n", v.c, v.f, expected);
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printf("Epsilon=%lg, rather than %g\n", eps, FLT_EPSILON);
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}
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}
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/*
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* Test case for encoding {0 sec, 0 usec} within a reasonable epsilon.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_zero);
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ATF_TC_BODY(encode_tv_zero, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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v.c = encode_timeval(tv);
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ATF_CHECK(fabs(v.f - 0.0) < FLT_EPSILON);
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}
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/*
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* Test case for encoding a random long number.
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*/
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ATF_TC_WITHOUT_HEAD(encode_long);
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ATF_TC_BODY(encode_long, tc)
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{
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union cf v;
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long l;
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l = random();
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v.c = encode_long(l);
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check_result(atf_tc_get_ident(tc), l, v);
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}
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/*
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* Test case for encoding a small number of seconds {1 sec, 0 usec}.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_only_sec);
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ATF_TC_BODY(encode_tv_only_sec, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 1;
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tv.tv_usec = 0;
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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/*
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* Test case for encoding a small number of usec {0 sec, 1 usec}.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_only_usec);
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ATF_TC_BODY(encode_tv_only_usec, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 0;
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tv.tv_usec = 1;
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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/*
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* Test case for encoding a large number of usec {1 sec, 999.999 usec}.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_many_usec);
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ATF_TC_BODY(encode_tv_many_usec, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 1;
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tv.tv_usec = 999999L;
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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/*
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* Test case for encoding a huge number of usec {1 sec, 1.000.000 usec} that
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* overflows the usec counter and should show up as an increase in timeval's
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* seconds instead.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_usec_overflow);
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ATF_TC_BODY(encode_tv_usec_overflow, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 1;
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tv.tv_usec = 1000000L;
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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/*
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* Test case for encoding a very large number of seconds, one that is very
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* near to the limit of 32-bit signed values. With a usec value of 999.999
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* microseconds this should result in the largest value we can represent with
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* a timeval struct.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_upper_limit);
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ATF_TC_BODY(encode_tv_upper_limit, tc)
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{
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union cf v;
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struct timeval tv;
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tv.tv_sec = 2147483647L;
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tv.tv_usec = 999999L;
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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/*
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* Test case for encoding a million random timeval objects, and checking that
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* the conversion does not diverge too much from the expected values.
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*/
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ATF_TC_WITHOUT_HEAD(encode_tv_random_million);
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ATF_TC_BODY(encode_tv_random_million, tc)
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{
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union cf v;
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struct timeval tv;
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long k;
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atf_tc_expect_fail("the testcase violates FLT_EPSILON");
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ATF_REQUIRE_MSG(unsetenv("TZ") == 0, "unsetting TZ failed; errno=%d", errno);
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for (k = 1; k < 1000000L; k++) {
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tv.tv_sec = random();
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tv.tv_usec = (random() % 1000000L);
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v.c = encode_timeval(tv);
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check_result(atf_tc_get_ident(tc),
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(float)tv.tv_sec * AHZ + tv.tv_usec, v);
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}
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}
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/* ---------------------------------------------------------------------
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* Main.
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* --------------------------------------------------------------------- */
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, encode_long);
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ATF_TP_ADD_TC(tp, encode_tv_zero);
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ATF_TP_ADD_TC(tp, encode_tv_only_sec);
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ATF_TP_ADD_TC(tp, encode_tv_only_usec);
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ATF_TP_ADD_TC(tp, encode_tv_many_usec);
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ATF_TP_ADD_TC(tp, encode_tv_usec_overflow);
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ATF_TP_ADD_TC(tp, encode_tv_upper_limit);
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ATF_TP_ADD_TC(tp, encode_tv_random_million);
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return atf_no_error();
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}
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