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-rw-r--r--tests/tsprintf.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/tsprintf.c b/tests/tsprintf.c
index 8cf76c11f..abb7bc56e 100644
--- a/tests/tsprintf.c
+++ b/tests/tsprintf.c
@@ -191,6 +191,10 @@ native_types (void)
sprintf (buf, "%d", i);
check_vsprintf (buf, "%d", i);
+ check_vsprintf ("0", "%d", 0);
+ check_vsprintf ("", "%.d", 0);
+ check_vsprintf ("", "%.0d", 0);
+
sprintf (buf, "%e", d);
check_vsprintf (buf, "%e", d);