tests: added missing lru unit test

diff --git a/tests/test_lru.c b/tests/test_lru.c
new file mode 100644 (file)
index 0000000..3486a85
--- /dev/null
+++ b/tests/test_lru.c
@@ -0,0 +1,122 @@
+/*  Copyright (C) 2014 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 <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tests/test.h"
+#include "lib/generic/lru.h"
+
+typedef lru_hash(int) lru_int_t;
+#define HASH_SIZE 1024
+#define KEY_LEN(x) (strlen(x) + 1)
+
+/*
+ * Sample dictionary
+ */
+static const char *dict[] = {
+       "catagmatic", "prevaricator", "statoscope", "workhand", "benzamide",
+       "alluvia", "fanciful", "bladish", "Tarsius", "unfast", "appropriative",
+       "seraphically", "monkeypod", "deflectometer", "tanglesome", "zodiacal",
+       "physiologically", "economizer", "forcepslike", "betrumpet",
+       "Danization", "broadthroat", "randir", "usherette", "nephropyosis",
+       "hematocyanin", "chrysohermidin", "uncave", "mirksome", "podophyllum",
+       "siphonognathous", "indoor", "featheriness", "forwardation",
+       "archruler", "soricoid", "Dailamite", "carmoisin", "controllability",
+       "unpragmatical", "childless", "transumpt", "productive",
+       "thyreotoxicosis", "oversorrow", "disshadow", "osse", "roar",
+       "pantomnesia", "talcer", "hydrorrhoea", "Satyridae", "undetesting",
+       "smoothbored", "widower", "sivathere", "pendle", "saltation",
+       "autopelagic", "campfight", "unexplained", "Macrorhamphosus",
+       "absconsa", "counterflory", "interdependent", "triact", "reconcentration",
+       "oversharpness", "sarcoenchondroma", "superstimulate", "assessory",
+       "pseudepiscopacy", "telescopically", "ventriloque", "politicaster",
+       "Caesalpiniaceae", "inopportunity", "Helion", "uncompatible",
+       "cephaloclasia", "oversearch", "Mahayanistic", "quarterspace",
+       "bacillogenic", "hamartite", "polytheistical", "unescapableness",
+       "Pterophorus", "cradlemaking", "Hippoboscidae", "overindustrialize",
+       "perishless", "cupidity", "semilichen", "gadge", "detrimental",
+       "misencourage", "toparchia", "lurchingly", "apocatastasis"
+};
+
+static void test_insert(void **state)
+{
+       lru_int_t *lru = *state;
+       int dict_size = sizeof(dict) / sizeof(const char *);
+       int i;
+
+       for (i = 0; i < dict_size; i++) {
+               int *data = lru_set(lru, dict[i], KEY_LEN(dict[i]));
+               assert_non_null(data);
+               *data = i;
+               assert_true(*lru_get(lru, dict[i], KEY_LEN(dict[i])) == i);
+       }
+}
+
+static void test_missing(void **state)
+{
+       lru_int_t *lru = *state;
+       const char *notin = "not in lru";
+       assert_true(lru_get(lru, notin, KEY_LEN(notin)) == NULL);
+}
+
+static void test_eviction(void **state)
+{
+       lru_int_t *lru = *state;
+       char key[16];
+       for (unsigned i = 0; i < HASH_SIZE; ++i) {
+               test_randstr(key, sizeof(key));
+               int *data = lru_set(lru, key, sizeof(key));
+               if (!data) {
+                       assert_true(0);
+               }
+               *data = i;
+               if (*lru_get(lru, key, sizeof(key)) != i) {
+                       assert_true(0);
+               }
+       }
+}
+
+static void test_init(void **state)
+{
+       lru_int_t *lru = malloc(lru_size(lru_int_t, HASH_SIZE));
+       assert_non_null(lru);
+       lru_init(lru, HASH_SIZE), 0;
+       assert_int_equal(lru->size, HASH_SIZE);
+       *state = lru;
+}
+
+static void test_deinit(void **state)
+{
+       lru_int_t *lru = *state;
+       lru_deinit(lru);
+}
+
+/* Program entry point */
+int main(int argc, char **argv)
+{
+       const UnitTest tests[] = {
+               group_test_setup(test_init),
+               unit_test(test_insert),
+               unit_test(test_missing),
+               unit_test(test_eviction),
+               group_test_teardown(test_deinit)
+       };
+
+       return run_group_tests(tests);
+}