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authorThomas Schwinge <thomas@codesourcery.com>2013-04-05 20:28:47 +0200
committerThomas Schwinge <thomas@codesourcery.com>2013-04-05 22:41:20 +0200
commitee091edf1a16312fff0cc3c6ae0116aded7f1dbf (patch)
tree644d3aebe2270770af04f42a32cd70715967cf1b /stdio-common/tstdiomisc.c
parenta8b792d6bb54fda2ff66f8b0c725397d402f367e (diff)
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More tests for external charater sequences representing NaNs.
Diffstat (limited to 'stdio-common/tstdiomisc.c')
-rw-r--r--stdio-common/tstdiomisc.c62
1 files changed, 61 insertions, 1 deletions
diff --git a/stdio-common/tstdiomisc.c b/stdio-common/tstdiomisc.c
index fa07aa5..5c046bb 100644
--- a/stdio-common/tstdiomisc.c
+++ b/stdio-common/tstdiomisc.c
@@ -47,8 +47,14 @@ t2 (void)
}
volatile double qnanval;
-volatile double infval;
volatile long double lqnanval;
+/* A sNaN is only guaranteed to be representable in variables with static (or
+ thread-local) storage duration. */
+static volatile double snanval = __builtin_nans("");
+static volatile double msnanval = -__builtin_nans("");
+static volatile long double lsnanval = __builtin_nansl("");
+static volatile long double lmsnanval = -__builtin_nansl("");
+volatile double infval;
volatile long double linfval;
@@ -74,6 +80,19 @@ F (void)
printf ("expected \"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got \"%s\"\n",
buf);
+ snprintf (buf, sizeof buf, "%a %A %e %E %f %F %g %G",
+ snanval, snanval, snanval, snanval,
+ snanval, snanval, snanval, snanval);
+ result |= strcmp (buf, "nan NAN nan NAN nan NAN nan NAN") != 0;
+ printf ("expected \"nan NAN nan NAN nan NAN nan NAN\", got \"%s\"\n", buf);
+
+ snprintf (buf, sizeof buf, "%a %A %e %E %f %F %g %G",
+ msnanval, msnanval, msnanval, msnanval,
+ msnanval, msnanval, msnanval, msnanval);
+ result |= strcmp (buf, "-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
+ printf ("expected \"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got \"%s\"\n",
+ buf);
+
infval = DBL_MAX * DBL_MAX;
snprintf (buf, sizeof buf, "%a %A %e %E %f %F %g %G",
@@ -102,6 +121,19 @@ F (void)
wbuf);
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ snanval, snanval, snanval, snanval,
+ snanval, snanval, snanval, snanval);
+ result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
+ printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
+
+ swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
+ msnanval, msnanval, msnanval, msnanval,
+ msnanval, msnanval, msnanval, msnanval);
+ result |= wcscmp (wbuf, L"-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
+ printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
+ wbuf);
+
+ swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]), L"%a %A %e %E %f %F %g %G",
infval, infval, infval, infval, infval, infval, infval, infval);
result |= wcscmp (wbuf, L"inf INF inf INF inf INF inf INF") != 0;
printf ("expected L\"inf INF inf INF inf INF inf INF\", got L\"%S\"\n", wbuf);
@@ -128,6 +160,19 @@ F (void)
printf ("expected \"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got \"%s\"\n",
buf);
+ snprintf (buf, sizeof buf, "%La %LA %Le %LE %Lf %LF %Lg %LG",
+ lsnanval, lsnanval, lsnanval, lsnanval,
+ lsnanval, lsnanval, lsnanval, lsnanval);
+ result |= strcmp (buf, "nan NAN nan NAN nan NAN nan NAN") != 0;
+ printf ("expected \"nan NAN nan NAN nan NAN nan NAN\", got \"%s\"\n", buf);
+
+ snprintf (buf, sizeof buf, "%La %LA %Le %LE %Lf %LF %Lg %LG",
+ lmsnanval, lmsnanval, lmsnanval, lmsnanval,
+ lmsnanval, lmsnanval, lmsnanval, lmsnanval);
+ result |= strcmp (buf, "-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
+ printf ("expected \"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got \"%s\"\n",
+ buf);
+
linfval = LDBL_MAX * LDBL_MAX;
snprintf (buf, sizeof buf, "%La %LA %Le %LE %Lf %LF %Lg %LG",
@@ -160,6 +205,21 @@ F (void)
swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
L"%La %LA %Le %LE %Lf %LF %Lg %LG",
+ lsnanval, lsnanval, lsnanval, lsnanval,
+ lsnanval, lsnanval, lsnanval, lsnanval);
+ result |= wcscmp (wbuf, L"nan NAN nan NAN nan NAN nan NAN") != 0;
+ printf ("expected L\"nan NAN nan NAN nan NAN nan NAN\", got L\"%S\"\n", wbuf);
+
+ swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ L"%La %LA %Le %LE %Lf %LF %Lg %LG",
+ lmsnanval, lmsnanval, lmsnanval, lmsnanval,
+ lmsnanval, lmsnanval, lmsnanval, lmsnanval);
+ result |= wcscmp (wbuf, L"-nan -NAN -nan -NAN -nan -NAN -nan -NAN") != 0;
+ printf ("expected L\"-nan -NAN -nan -NAN -nan -NAN -nan -NAN\", got L\"%S\"\n",
+ wbuf);
+
+ swprintf (wbuf, sizeof wbuf / sizeof (wbuf[0]),
+ L"%La %LA %Le %LE %Lf %LF %Lg %LG",
linfval, linfval, linfval, linfval,
linfval, linfval, linfval, linfval);
result |= wcscmp (wbuf, L"inf INF inf INF inf INF inf INF") != 0;