Extract empty name in 'source' into 'name'

diff --git a/tests/dns/name_test.c b/tests/dns/name_test.c
index 03bf148f17927372885a70d094744538698398b1..8af378f484dc1eea1826d311dd3e1344603f3f79 100644 (file)
--- a/tests/dns/name_test.c
+++ b/tests/dns/name_test.c
@@ -502,6 +502,18 @@ ISC_RUN_TEST_IMPL(fromregion) {
        assert_int_equal(8, name.length);
        assert_ptr_equal(source, name.ndata);
        assert_false(dns_name_isabsolute(&name));
+
+       /*
+        * Extract empty name in 'source' into 'name'.
+        */
+       isc_buffer_init(&b, target, sizeof(target));
+       dns_name_init(&name, NULL);
+       r.base = source;
+       r.length = 0;
+       dns_name_fromregion(&name, &r);
+       assert_int_equal(0, name.length);
+       assert_ptr_equal(source, name.ndata);
+       assert_false(dns_name_isabsolute(&name));
 }
 
 /* is trust-anchor-telemetry test */