1 files changed, 60 insertions, 0 deletions
diff --git a/tests/libknot/test_rdata.c b/tests/libknot/test_rdata.c
new file mode 100644
index 0000000..094cc4d
--- /dev/null
+++ b/tests/libknot/test_rdata.c
@@ -0,0 +1,60 @@
+/*  Copyright (C) 2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdbool.h>
+#include <tap/basic.h>
+
+#include "libknot/rdata.h"
+
+int main(int argc, char *argv[])
+{
+	plan_lazy();
+
+	// Test array size
+	ok(knot_rdata_size(1) == 2 + 1 + 1, "rdata: array size odd.");
+	ok(knot_rdata_size(2) == 2 + 2, "rdata: array size even.");
+
+	// Test init
+	const size_t data_size = 16;
+	uint8_t buf1[knot_rdata_size(data_size)];
+	knot_rdata_t *rdata = (knot_rdata_t *)buf1;
+	uint8_t payload[] = "abcdefghijklmnop";
+	knot_rdata_init(rdata, data_size, payload);
+	const bool set_ok = rdata->len == data_size &&
+	                    memcmp(rdata->data, payload, data_size) == 0;
+	ok(set_ok, "rdata: init.");
+
+	// Test compare
+	rdata->len = data_size;
+	ok(knot_rdata_cmp(rdata, rdata) == 0, "rdata: cmp eq.");
+
+	knot_rdata_t *lower = rdata;
+	uint8_t buf2[knot_rdata_size(data_size)];
+	knot_rdata_t *greater = (knot_rdata_t *)buf2;
+	knot_rdata_init(greater, data_size, (uint8_t *)"qrstuvwxyz123456");
+	ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower.");
+	ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater.");
+
+	// Payloads will be the same.
+	memcpy(greater->data, lower->data, data_size);
+	assert(knot_rdata_cmp(lower, greater) == 0);
+
+	lower->len = data_size - 1;
+	ok(knot_rdata_cmp(lower, greater) < 0, "rdata: cmp lower size.");
+	ok(knot_rdata_cmp(greater, lower) > 0, "rdata: cmp greater size.");
+
+	return 0;
+}