133bc64507
This provides better error messages that just an assertion failure and also makes it easier to mark individual tests as XFAIL. It was also helpful when coming up with D28786 and D28787. Differential Revision: https://reviews.freebsd.org/D28798
104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/*-
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* Copyright (c) 2004 Stefan Farfeleder
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* All rights reserved.
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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 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 THE 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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* $FreeBSD$
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*/
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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 <stdlib.h>
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#include "test-utils.h"
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ATF_TC_WITHOUT_HEAD(ilogb);
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ATF_TC_BODY(ilogb, tc)
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{
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char buf[128], *end;
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double d;
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int e, i;
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ATF_CHECK_EQ(FP_ILOGB0, ilogb(0));
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ATF_CHECK_EQ(FP_ILOGBNAN, ilogb(NAN));
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ATF_CHECK_EQ(INT_MAX, ilogb(INFINITY));
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for (e = DBL_MIN_EXP - DBL_MANT_DIG; e < DBL_MAX_EXP; e++) {
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snprintf(buf, sizeof(buf), "0x1.p%d", e);
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d = strtod(buf, &end);
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ATF_CHECK_EQ('\0', *end);
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i = ilogb(d);
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ATF_CHECK_EQ_MSG(e, i, "ilogb(%g) returned %d not %d", d, i, e);
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}
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}
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ATF_TC_WITHOUT_HEAD(ilogbf);
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ATF_TC_BODY(ilogbf, tc)
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{
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char buf[128], *end;
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float f;
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int e, i;
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ATF_CHECK_EQ(FP_ILOGB0, ilogbf(0));
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ATF_CHECK_EQ(FP_ILOGBNAN, ilogbf(NAN));
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ATF_CHECK_EQ(INT_MAX, ilogbf(INFINITY));
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for (e = FLT_MIN_EXP - FLT_MANT_DIG; e < FLT_MAX_EXP; e++) {
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snprintf(buf, sizeof(buf), "0x1.p%d", e);
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f = strtof(buf, &end);
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ATF_CHECK_EQ('\0', *end);
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i = ilogbf(f);
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ATF_CHECK_EQ_MSG(e, i, "ilogbf(%g) returned %d not %d", f, i,
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e);
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}
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}
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ATF_TC_WITHOUT_HEAD(ilogbl);
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ATF_TC_BODY(ilogbl, tc)
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{
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char buf[128], *end;
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long double ld;
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int e, i;
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ATF_CHECK_EQ(FP_ILOGB0, ilogbl(0));
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ATF_CHECK_EQ(FP_ILOGBNAN, ilogbl(NAN));
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ATF_CHECK_EQ(INT_MAX, ilogbl(INFINITY));
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for (e = LDBL_MIN_EXP - LDBL_MANT_DIG; e < LDBL_MAX_EXP; e++) {
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snprintf(buf, sizeof(buf), "0x1.p%d", e);
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ld = strtold(buf, &end);
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ATF_CHECK_EQ('\0', *end);
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i = ilogbl(ld);
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ATF_CHECK_EQ_MSG(e, i, "ilogbl(%Lg) returned %d not %d", ld, i,
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e);
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}
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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, ilogb);
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ATF_TP_ADD_TC(tp, ilogbf);
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ATF_TP_ADD_TC(tp, ilogbl);
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return (atf_no_error());
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}
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