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authorMatthias Clasen <mclasen@redhat.com>2004-11-05 03:21:24 +0000
committerMatthias Clasen <matthiasc@src.gnome.org>2004-11-05 03:21:24 +0000
commitc92fb33b42bced81bbd8748dd5dd73916f33d1c4 (patch)
tree9b32a82ac13ff62e88b43797b0fc16cc786cf066 /tests
parentb7d67f62ecd72ae225e056819394a179043d62a4 (diff)
Handle numbers like 1e1, nan, -infinity. Also try harder to preserve
2004-11-04 Matthias Clasen <mclasen@redhat.com> * glib/gstrfuncs.c (g_ascii_strtod): Handle numbers like 1e1, nan, -infinity. Also try harder to preserve errno. (#156421, Morten Welinder) * tests/strtod-test.c: Add testcases.
Diffstat (limited to 'tests')
-rw-r--r--tests/strtod-test.c25
1 files changed, 21 insertions, 4 deletions
diff --git a/tests/strtod-test.c b/tests/strtod-test.c
index 7e45570ce..3566ffe35 100644
--- a/tests/strtod-test.c
+++ b/tests/strtod-test.c
@@ -1,15 +1,19 @@
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
+/* for NAN and INFINITY */
+#define _ISOC99_SOURCE
+
#include <glib.h>
#include <locale.h>
#include <string.h>
+#include <stdlib.h>
#include <math.h>
void
test_string (char *number, double res, gboolean check_end, int correct_len)
{
- gdouble d;
+ double d;
char *locales[] = {"sv_SE", "en_US", "fa_IR", "C", "ru_RU"};
int l;
char *end;
@@ -26,8 +30,16 @@ test_string (char *number, double res, gboolean check_end, int correct_len)
{
setlocale (LC_NUMERIC, locales[l]);
d = g_ascii_strtod (number, &end);
- if (d != res)
- g_print ("g_ascii_strtod on \"%s\" for locale %s failed\n", number, locales[l]);
+ if ((isfinite(d) && isfinite(res) && d != res) ||
+ (isnan (d) != isnan (res)) ||
+ (isinf (d) != isinf (res)))
+ {
+ g_print ("g_ascii_strtod on \"%s\" for locale %s failed\n", number, locales[l]);
+ g_print ("expected %lf (nan %d inf %d) actual %lf (nan %d inf %d)\n",
+ res, isnan (res), isinf (res),
+ d, isnan (d), isinf (d));
+
+ }
if (check_end && end - number != correct_len)
g_print ("g_ascii_strtod on \"%s\" for locale %s endptr was wrong, leftover: %s\n", number, locales[l], end);
if (!check_end && end - number != strlen (number))
@@ -50,10 +62,15 @@ main ()
test_string ("-123.123", -123.123, FALSE, 0);
test_string ("-123.123e2", -123.123e2, FALSE, 0);
test_string ("-123.123e-2", -123.123e-2, FALSE, 0);
- test_string ("1e1", 1e1, FALSE, 0);
test_string ("5.4", 5.4, TRUE, 3);
test_string ("5.4,5.5", 5.4, TRUE, 3);
test_string ("5,4", 5.0, TRUE, 1);
+ /* the following are for #156421 */
+ test_string ("1e1", 1e1, FALSE, 0);
+ test_string ("NAN", NAN, FALSE, 0);
+ test_string ("-nan", -NAN, FALSE, 0);
+ test_string ("INF", INFINITY, FALSE, 0);
+ test_string ("-infinity", -INFINITY, FALSE, 0);
d = 179769313486231570814527423731704356798070567525844996598917476803157260780028538760589558632766878171540458953514382464234321326889464182768467546703537516986049910576551282076245490090389328944075868508455133942304583236903222948165808559332123348274797826204144723168738177180919299881250404026184124858368.0;
g_assert (d == g_ascii_strtod (g_ascii_dtostr (buffer, sizeof (buffer), d), NULL));