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authorchristos <christos@NetBSD.org>2023-04-04 19:30:11 +0000
committerchristos <christos@NetBSD.org>2023-04-04 19:30:11 +0000
commitef4514f2fac207e4ca7c00bd1150cfd3736ff046 (patch)
treec8a0c4458d4c77e5dc836dce92e3a3d15da9844d /tests/lib/libc/stdio/t_printf.c
parent4a7af400fd02590247c388ed45d13772b82b484f (diff)
Add a test for PR/57250 from Havard Eidnes
Diffstat (limited to 'tests/lib/libc/stdio/t_printf.c')
-rw-r--r--tests/lib/libc/stdio/t_printf.c51
1 files changed, 50 insertions, 1 deletions
diff --git a/tests/lib/libc/stdio/t_printf.c b/tests/lib/libc/stdio/t_printf.c
index 95b4b2c9dff..ead7de2d94f 100644
--- a/tests/lib/libc/stdio/t_printf.c
+++ b/tests/lib/libc/stdio/t_printf.c
@@ -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();
}