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Add a test for PR/57250 from Havard Eidnes

This commit is contained in:
christos 2023-04-04 19:30:11 +00:00
parent c41e469284
commit 30cc241785
1 changed files with 50 additions and 1 deletions
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51
tests/lib/libc/stdio/t_printf.c
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@ -1,4 +1,4 @@
/* $NetBSD: t_printf.c,v 1.8 2012/04/11 16:21:42 jruoho Exp $ */
/* $NetBSD: t_printf.c,v 1.9 2023/04/04 19:30:11 christos Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@ -35,6 +35,7 @@
#include <string.h>
#include <time.h>
#include <stdlib.h>
#include <errno.h>
ATF_TC(snprintf_c99);
ATF_TC_HEAD(snprintf_c99, tc)
@ -179,6 +180,50 @@ ATF_TC_BODY(sprintf_zeropad, tc)
#endif
}
ATF_TC(snprintf_double_a);
ATF_TC_HEAD(snprintf_double_a, tc)
{
atf_tc_set_md_var(tc, "descr", "Test printf a format");
}
ATF_TC_BODY(snprintf_double_a, tc)
{
char buf[1000];
snprintf(buf, sizeof buf, "%.3a", (double)10.6);
ATF_REQUIRE_STREQ("0x1.533p+3", buf);
}
/* is "long double" and "double" different? */
#if (__LDBL_MANT_DIG__ != __DBL_MANT_DIG__) || \
(__LDBL_MAX_EXP__ != __DBL_MAX_EXP__)
#define WIDE_DOUBLE
#endif
#ifndef WIDE_DOUBLE
ATF_TC(pr57250_fix);
ATF_TC_HEAD(pr57250_fix, tc)
{
atf_tc_set_md_var(tc, "descr", "Test for PR57250");
}
ATF_TC_BODY(pr57250_fix, tc)
{
char *eptr;
char buf[1000];
long double ld;
errno = 0;
ld = strtold("1e309", &eptr);
ATF_CHECK(errno != 0);
ld = (double)ld;
ATF_CHECK(isfinite(ld) == 0);
snprintf(buf, sizeof buf, "%Lf\n", ld);
ATF_REQUIRE_STREQ(buf, "inf");
}
#endif
ATF_TP_ADD_TCS(tp)
{
@ -189,6 +234,10 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, snprintf_posarg_error);
ATF_TP_ADD_TC(tp, snprintf_float);
ATF_TP_ADD_TC(tp, sprintf_zeropad);
ATF_TP_ADD_TC(tp, snprintf_double_a);
#ifndef WIDE_DOUBLE
ATF_TP_ADD_TC(tp, pr57250_fix);
#endif
return atf_no_error();
}