--- a/tests.c	Tue Feb 23 12:55:09 2016 +0200
+++ b/tests.c	Tue Feb 23 12:55:45 2016 +0200
@@ -318,6 +318,25 @@
         }
     }
 
+    if (test_set_start("printf() integer 64bit"))
+    {
+        int64_t i_vals[] = { 0, -0, -1, 2, -2, 612342, -612342, 0x3342344341fff, 0x1f8000000, };
+        char *i_fmts[] = { "%", "%05", "%5", "%-5", "%.5", "%5.5", "%05.5", "% ", "% 3", "% 3.2", "%+3", };
+        char *i_types[] = { "d", "x", "X", "o", };
+
+        for (i1 = 0; i1 < NCOUNT(i_vals); i1++)
+        {
+            snprintf(buf, sizeof(buf), "%lld", i_vals[i1]);
+
+            for (i3 = 0; i3 < sizeof(i_types) / sizeof(i_types[0]); i3++)
+            for (i2 = 0; i2 < sizeof(i_fmts) / sizeof(i_fmts[0]); i2++)
+            {
+                snprintf(buf2, sizeof(buf2), "%sll%s", i_fmts[i2], i_types[i3]);
+                test_snprintf(buf, buf2, i_vals[i1]);
+            }
+        }
+    }
+
     if (test_set_start("printf() float"))
     {
         double f_vals[] = { 2.02, 612342.234, -2.07, -612342.12, 437692.9876543219, 0x1fff, 0x8000000, };