test-resolved-packet: add a simple test for our allocation functions

diff --git a/.gitignore b/.gitignore
index 60eda2b8ce8f82661a7f57be8686736663f0dbdf..bc47db64811ba8346d670f47d5bad4b3c1c3d74d 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -271,6 +271,7 @@
 /test-replace-var
 /test-resolve
 /test-resolve-tables
+/test-resolved-packet
 /test-ring
 /test-rlimit-util
 /test-sched-prio

diff --git a/Makefile.am b/Makefile.am
index c61f371a8ee87ac7488b50e63d90d6b607004fbb..a77495bf03176a4895c8f011376ee03c079a53bf 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -5758,6 +5758,7 @@ dist_zshcompletion_data += \
 tests += \
        test-dns-packet \
        test-resolve-tables \
+       test-resolved-packet \
        test-dnssec
 
 manual_tests += \
@@ -5779,6 +5780,19 @@ test_resolve_tables_LDADD = \
        $(GCRYPT_LIBS) \
        -lm
 
+test_resolved_packet_SOURCES = \
+       src/resolve/test-resolved-packet.c \
+       $(basic_dns_sources)
+
+test_resolved_packet_CFLAGS = \
+       $(AM_CFLAGS) \
+       $(GCRYPT_CFLAGS)
+
+test_resolved_packet_LDADD = \
+       libsystemd-shared.la \
+       $(GCRYPT_LIBS) \
+       -lm
+
 test_dns_packet_SOURCES = \
        src/resolve/test-dns-packet.c \
        $(basic_dns_sources)

diff --git a/src/resolve/meson.build b/src/resolve/meson.build
index f3c411ffeec540a1797b7734f17291c654bba4de..fe228784fac047e3528bbfa325834b9efd9caa20 100644 (file)
--- a/src/resolve/meson.build
+++ b/src/resolve/meson.build
@@ -160,6 +160,15 @@ tests += [
           libm],
          'ENABLE_RESOLVED'],
 
+        [['src/resolve/test-resolved-packet.c',
+          basic_dns_sources,
+          dns_type_headers],
+         [],
+         [libgcrypt,
+          libgpg_error,
+          libm],
+         'ENABLE_RESOLVED'],
+
         [['src/resolve/test-dnssec.c',
           basic_dns_sources,
           dns_type_headers],

diff --git a/src/resolve/test-resolved-packet.c b/src/resolve/test-resolved-packet.c
new file mode 100644 (file)
index 0000000..8b7da14
--- /dev/null
+++ b/src/resolve/test-resolved-packet.c
@@ -0,0 +1,45 @@
+/***
+  This file is part of systemd
+
+  Copyright 2017 Zbigniew Jędrzejewski-Szmek
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+
+  systemd is distributed in the hope that it will be useful, but
+  WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License
+  along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "log.h"
+#include "resolved-dns-packet.h"
+
+static void test_dns_packet_new(void) {
+        size_t i;
+
+        for (i = 0; i < DNS_PACKET_SIZE_MAX + 2; i++) {
+                _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
+
+                assert_se(dns_packet_new(&p, DNS_PROTOCOL_DNS, i) == 0);
+
+                log_debug("dns_packet_new: %zu → %zu", i, p->allocated);
+                assert_se(p->allocated >= MIN(DNS_PACKET_SIZE_MAX, i));
+        }
+}
+
+int main(int argc, char **argv) {
+
+        log_set_max_level(LOG_DEBUG);
+        log_parse_environment();
+        log_open();
+
+        test_dns_packet_new();
+
+        return 0;
+}