test: add tm_gmtoff

2026-06-08 19:39:55 +08:00
parent 8e11d7af70
commit 5a545a1e26
2 changed files with 13 additions and 0 deletions
@@ -4,3 +4,4 @@
 -500 = -500
 0 = 0
 1531454950 = 1531454950
+gmtoff_ignored = 1
@@ -57,4 +57,16 @@ int main(void) {
            printf("Comparison %ld == %ld failed. Time: %s", input, output, asctime(time));
        }
    }
+
+    // mktime must not panic on out-of-range tm_gmtoff
+    {
+        struct tm tg = { 0 };
+        tg.tm_year = 124;
+        tg.tm_mon = 0;
+        tg.tm_mday = 1;
+        tg.tm_hour = 12;
+        tg.tm_gmtoff = 100000;
+        time_t result = mktime(&tg);
+        printf("gmtoff_ignored = %d\n", result != (time_t)-1);
+    }
 }