Allow for a longer printed representation of NaN.

diff --git a/ChangeLog b/ChangeLog
index e99058d8d95c1dc27d1dfde8f450d98dcf2bb107..c3ed27eb964d1c6c85aa421bff791e5f9db744a0 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2007-05-24  Bruno Haible  <bruno@clisp.org>
+
+       * tests/test-vasnprintf-posix.c (test_function): Allow up to 50 bytes
+       in the printed representation of a NaN.
+       * tests/test-vasprintf-posix.c (test_function): Likewise.
+       * tests/test-snprintf-posix.h (test_function): Likewise.
+       * tests/test-sprintf-posix.h (test_function): Likewise.
+       Reported by Eric Blake.
+
 2007-05-23  Eric Blake  <ebb9@byu.net>
 
        Fix fseeko/ftello on cygwin 1.5.24.

diff --git a/tests/test-snprintf-posix.h b/tests/test-snprintf-posix.h
index ed03fb446d04b05a42ae85fa62fba17e16d34072..346d32e08461a58855c22145738d68a69f5feda2 100644 (file)
--- a/tests/test-snprintf-posix.h
+++ b/tests/test-snprintf-posix.h
@@ -392,10 +392,10 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020a %d", NaN (), 33, 44, 55);
+      my_snprintf (result, sizeof (result), "%050a %d", NaN (), 33, 44, 55);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -657,10 +657,10 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020La %d", 0.0L / 0.0L, 33, 44, 55);
+      my_snprintf (result, sizeof (result), "%050La %d", 0.0L / 0.0L, 33, 44, 55);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -900,8 +900,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020f %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050f %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1149,8 +1149,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
     static long double zero = 0.0L;
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020Lf %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050Lf %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1613,8 +1613,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020e %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050e %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1865,8 +1865,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
     static long double zero = 0.0L;
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020Le %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050Le %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2127,8 +2127,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020g %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050g %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2379,8 +2379,8 @@ test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
     static long double zero = 0.0L;
     char result[100];
     int retval =
-      my_snprintf (result, sizeof (result), "%020Lg %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_snprintf (result, sizeof (result), "%050Lg %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));

diff --git a/tests/test-sprintf-posix.h b/tests/test-sprintf-posix.h
index 6149dd78a38f8b2cb8a263673d78bce3eeb48620..f178803f61bdaf5da71a110200dba5e454295cb5 100644 (file)
--- a/tests/test-sprintf-posix.h
+++ b/tests/test-sprintf-posix.h
@@ -378,10 +378,10 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%020a %d", NaN (), 33, 44, 55);
+      my_sprintf (result, "%050a %d", NaN (), 33, 44, 55);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -643,10 +643,10 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%020La %d", 0.0L / 0.0L, 33, 44, 55);
+      my_sprintf (result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -880,8 +880,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%020f %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050f %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1123,8 +1123,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     static long double zero = 0.0L;
     char result[1000];
     int retval =
-      my_sprintf (result, "%020Lf %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050Lf %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1587,8 +1587,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%020e %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050e %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1839,8 +1839,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     static long double zero = 0.0L;
     char result[1000];
     int retval =
-      my_sprintf (result, "%020Le %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050Le %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2101,8 +2101,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char result[1000];
     int retval =
-      my_sprintf (result, "%020g %d", NaN (), 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050g %d", NaN (), 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2353,8 +2353,8 @@ test_function (int (*my_sprintf) (char *, const char *, ...))
     static long double zero = 0.0L;
     char result[1000];
     int retval =
-      my_sprintf (result, "%020Lg %d", zero / zero, 33, 44, 55);
-    ASSERT (strlen (result) == 20 + 3
+      my_sprintf (result, "%050Lg %d", zero / zero, 33, 44, 55);
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));

diff --git a/tests/test-vasnprintf-posix.c b/tests/test-vasnprintf-posix.c
index 9dcf481ccfecadb704f1ad9d0c5ac7ff347be362..5db0589fafe2917443b404205f69a1f7a6b64674 100644 (file)
--- a/tests/test-vasnprintf-posix.c
+++ b/tests/test-vasnprintf-posix.c
@@ -479,11 +479,11 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020a %d", NaN (), 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050a %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -794,11 +794,11 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020La %d", 0.0L / 0.0L, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
     ASSERT (result != NULL);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -1067,9 +1067,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020f %d", NaN (), 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050f %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -1348,9 +1348,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     static long double zero = 0.0L;
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020Lf %d", zero / zero, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050Lf %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -1895,9 +1895,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020e %d", NaN (), 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050e %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -2187,9 +2187,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     static long double zero = 0.0L;
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020Le %d", zero / zero, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050Le %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -2489,9 +2489,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020g %d", NaN (), 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050g %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));
@@ -2781,9 +2781,9 @@ test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
     static long double zero = 0.0L;
     size_t length;
     char *result =
-      my_asnprintf (NULL, &length, "%020Lg %d", zero / zero, 33, 44, 55);
+      my_asnprintf (NULL, &length, "%050Lg %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (length == strlen (result));

diff --git a/tests/test-vasprintf-posix.c b/tests/test-vasprintf-posix.c
index 51aebdfccad323ea8b9578f792570c89197af1ff..8cf802158e90fec70fd852d5718c19a06dbc681d 100644 (file)
--- a/tests/test-vasprintf-posix.c
+++ b/tests/test-vasprintf-posix.c
@@ -460,11 +460,11 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char *result;
     int retval =
-      my_asprintf (&result, "%020a %d", NaN (), 33, 44, 55);
+      my_asprintf (&result, "%050a %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -775,11 +775,11 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char *result;
     int retval =
-      my_asprintf (&result, "%020La %d", 0.0L / 0.0L, 33, 44, 55);
+      my_asprintf (&result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
     ASSERT (result != NULL);
     /* "0000000nan 33" is not a valid result; see
        <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1048,9 +1048,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char *result;
     int retval =
-      my_asprintf (&result, "%020f %d", NaN (), 33, 44, 55);
+      my_asprintf (&result, "%050f %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1329,9 +1329,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
     static long double zero = 0.0L;
     char *result;
     int retval =
-      my_asprintf (&result, "%020Lf %d", zero / zero, 33, 44, 55);
+      my_asprintf (&result, "%050Lf %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -1876,9 +1876,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char *result;
     int retval =
-      my_asprintf (&result, "%020e %d", NaN (), 33, 44, 55);
+      my_asprintf (&result, "%050e %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2168,9 +2168,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
     static long double zero = 0.0L;
     char *result;
     int retval =
-      my_asprintf (&result, "%020Le %d", zero / zero, 33, 44, 55);
+      my_asprintf (&result, "%050Le %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2470,9 +2470,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
   { /* FLAG_ZERO with NaN.  */
     char *result;
     int retval =
-      my_asprintf (&result, "%020g %d", NaN (), 33, 44, 55);
+      my_asprintf (&result, "%050g %d", NaN (), 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));
@@ -2762,9 +2762,9 @@ test_function (int (*my_asprintf) (char **, const char *, ...))
     static long double zero = 0.0L;
     char *result;
     int retval =
-      my_asprintf (&result, "%020Lg %d", zero / zero, 33, 44, 55);
+      my_asprintf (&result, "%050Lg %d", zero / zero, 33, 44, 55);
     ASSERT (result != NULL);
-    ASSERT (strlen (result) == 20 + 3
+    ASSERT (strlen (result) == 50 + 3
            && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
            && strcmp (result + strlen (result) - 3, " 33") == 0);
     ASSERT (retval == strlen (result));