test: avoid divide-by-zero coverity warning

CID#1587762

diff --git a/src/test/test-json.c b/src/test/test-json.c
index 91e14a4726d48ce195ec65022179eaf5f586a053..a3e0c88e40ad90b60fb903f8add22cef2cba052a 100644 (file)
--- a/src/test/test-json.c
+++ b/src/test/test-json.c
@@ -667,6 +667,7 @@ static void test_float_match(sd_json_variant *v) {
         assert_se(fabs(1.0 - (DBL_MIN / 2 / sd_json_variant_real(sd_json_variant_by_index(v, 9)))) <= delta);
         assert_se(sd_json_variant_is_real(sd_json_variant_by_index(v, 10)) &&
                   !sd_json_variant_is_integer(sd_json_variant_by_index(v, 10)));
+        assert_se(!iszero_safe(sd_json_variant_real(sd_json_variant_by_index(v, 10))));
         assert_se(fabs(1.0 - (-DBL_MIN / 2 / sd_json_variant_real(sd_json_variant_by_index(v, 10)))) <= delta);
 }