Adding upstream version 241.upstream/241upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 34 insertions, 0 deletions

diff --git a/src/resolve/test-resolved-packet.c b/src/resolve/test-resolved-packet.c
new file mode 100644
index 0000000..22ae26c
--- /dev/null
+++ b/src/resolve/test-resolved-packet.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include "log.h"
+#include "resolved-dns-packet.h"
+
+static void test_dns_packet_new(void) {
+        size_t i;
+         _cleanup_(dns_packet_unrefp) DnsPacket *p2 = NULL;
+
+        for (i = 0; i <= DNS_PACKET_SIZE_MAX; i++) {
+                _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
+
+                assert_se(dns_packet_new(&p, DNS_PROTOCOL_DNS, i, DNS_PACKET_SIZE_MAX) == 0);
+
+                log_debug("dns_packet_new: %zu → %zu", i, p->allocated);
+                assert_se(p->allocated >= MIN(DNS_PACKET_SIZE_MAX, i));
+
+                if (i > DNS_PACKET_SIZE_START + 10 && i < DNS_PACKET_SIZE_MAX - 10)
+                        i = MIN(i * 2, DNS_PACKET_SIZE_MAX - 10);
+        }
+
+        assert_se(dns_packet_new(&p2, DNS_PROTOCOL_DNS, DNS_PACKET_SIZE_MAX + 1, DNS_PACKET_SIZE_MAX) == -EFBIG);
+}
+
+int main(int argc, char **argv) {
+
+        log_set_max_level(LOG_DEBUG);
+        log_parse_environment();
+        log_open();
+
+        test_dns_packet_new();
+
+        return 0;
+}