minus the vendor Makefiles Provide directions for how to bootstrap the vendor sources in FREEBSD-upgrade MFC after 2 weeks Discussed with: rpaulo Sponsored by: EMC / Isilon Storage Division
179 lines
4.8 KiB
C
179 lines
4.8 KiB
C
/* $NetBSD: t_bswap.c,v 1.1 2011/05/05 05:39:11 jruoho Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jukka Ruohonen.
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*
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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 THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: t_bswap.c,v 1.1 2011/05/05 05:39:11 jruoho Exp $");
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#include <sys/types.h>
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#include <machine/bswap.h>
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#include <atf-c.h>
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static uint16_t x16;
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static uint32_t x32;
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static uint64_t x64;
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static uint16_t unconst16(uint16_t);
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static uint32_t unconst32(uint32_t);
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static uint64_t unconst64(uint64_t);
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/*
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* Given the use of __builtin_constant_p(3),
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* these functions try to avoid gcc(1) from
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* treating the arguments as constants.
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*/
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static uint16_t
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unconst16(uint16_t val)
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{
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return val + x16;
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}
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static uint32_t
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unconst32(uint32_t val)
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{
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return val + x32;
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}
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static uint64_t
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unconst64(uint64_t val)
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{
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return val + x64;
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}
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ATF_TC(bswap16_basic);
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ATF_TC_HEAD(bswap16_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap16(3), #1");
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}
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ATF_TC_BODY(bswap16_basic, tc)
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{
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ATF_REQUIRE_EQ(bswap16(0x0000), 0x0000);
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ATF_REQUIRE_EQ(bswap16(0xff00), 0x00ff);
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ATF_REQUIRE_EQ(bswap16(0xffff), 0xffff);
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ATF_REQUIRE_EQ(bswap16(0x1234), 0x3412);
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}
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ATF_TC(bswap16_unconst);
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ATF_TC_HEAD(bswap16_unconst, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap16(3), #2");
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}
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ATF_TC_BODY(bswap16_unconst, tc)
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{
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x16 = 0;
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ATF_REQUIRE_EQ(bswap16(unconst16(0x0000)), 0x0000);
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ATF_REQUIRE_EQ(bswap16(unconst16(0xff00)), 0x00ff);
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ATF_REQUIRE_EQ(bswap16(unconst16(0xffff)), 0xffff);
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ATF_REQUIRE_EQ(bswap16(unconst16(0x1234)), 0x3412);
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}
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ATF_TC(bswap32_basic);
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ATF_TC_HEAD(bswap32_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap32(3), #1");
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}
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ATF_TC_BODY(bswap32_basic, tc)
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{
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ATF_REQUIRE_EQ(bswap32(0x00000000), 0x00000000);
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ATF_REQUIRE_EQ(bswap32(0xffff0000), 0x0000ffff);
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ATF_REQUIRE_EQ(bswap32(0xffffffff), 0xffffffff);
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ATF_REQUIRE_EQ(bswap32(0x12345678), 0x78563412);
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}
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ATF_TC(bswap32_unconst);
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ATF_TC_HEAD(bswap32_unconst, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap32(3), #2");
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}
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ATF_TC_BODY(bswap32_unconst, tc)
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{
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x32 = 0;
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ATF_REQUIRE_EQ(bswap32(unconst32(0x00000000)), 0x00000000);
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ATF_REQUIRE_EQ(bswap32(unconst32(0xffff0000)), 0x0000ffff);
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ATF_REQUIRE_EQ(bswap32(unconst32(0xffffffff)), 0xffffffff);
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ATF_REQUIRE_EQ(bswap32(unconst32(0x12345678)), 0x78563412);
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}
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ATF_TC(bswap64_basic);
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ATF_TC_HEAD(bswap64_basic, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap64(3), #1");
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}
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ATF_TC_BODY(bswap64_basic, tc)
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{
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ATF_REQUIRE_EQ(bswap64(0x0000000000000000), 0x0000000000000000);
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ATF_REQUIRE_EQ(bswap64(0xffffffff00000000), 0x00000000ffffffff);
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ATF_REQUIRE_EQ(bswap64(0xffffffffffffffff), 0xffffffffffffffff);
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ATF_REQUIRE_EQ(bswap64(0x123456789abcdeff), 0xffdebc9a78563412);
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}
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ATF_TC(bswap64_unconst);
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ATF_TC_HEAD(bswap64_unconst, tc)
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{
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atf_tc_set_md_var(tc, "descr", "A naive test of bswap64(3), #2");
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}
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ATF_TC_BODY(bswap64_unconst, tc)
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{
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x64 = 0;
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ATF_REQUIRE_EQ(bswap64(unconst64(0x0000000000000000)),
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0x0000000000000000);
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ATF_REQUIRE_EQ(bswap64(unconst64(0xffffffff00000000)),
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0x00000000ffffffff);
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ATF_REQUIRE_EQ(bswap64(unconst64(0xffffffffffffffff)),
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0xffffffffffffffff);
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ATF_REQUIRE_EQ(bswap64(unconst64(0x123456789abcdeff)),
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0xffdebc9a78563412);
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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, bswap16_basic);
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ATF_TP_ADD_TC(tp, bswap16_unconst);
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ATF_TP_ADD_TC(tp, bswap32_basic);
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ATF_TP_ADD_TC(tp, bswap32_unconst);
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ATF_TP_ADD_TC(tp, bswap64_basic);
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ATF_TP_ADD_TC(tp, bswap64_unconst);
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return atf_no_error();
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}
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