From 830407e88f9d40d954356c3754f2647f91d5c06a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 17:26:00 +0200
Subject: Adding upstream version 5.6.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/generic/test_lru.c | 111 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 lib/generic/test_lru.c

(limited to 'lib/generic/test_lru.c')

diff --git a/lib/generic/test_lru.c b/lib/generic/test_lru.c
new file mode 100644
index 0000000..7c2f11f
--- /dev/null
+++ b/lib/generic/test_lru.c
@@ -0,0 +1,111 @@
+/*  Copyright (C) CZ.NIC, z.s.p.o. <knot-resolver@labs.nic.cz>
+ *  SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tests/unit/test.h"
+#include "lib/generic/lru.h"
+
+typedef lru_t(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_get_new(lru, dict[i], KEY_LEN(dict[i]), NULL);
+		if (!data) {
+			continue;
+		}
+		*data = i;
+		assert_true(*lru_get_try(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_try(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_get_new(lru, key, sizeof(key), NULL);
+		if (!data) {
+			continue;
+		}
+		*data = i;
+		if (*lru_get_try(lru, key, sizeof(key)) != i) {
+			assert_true(0);
+		}
+	}
+}
+
+static void test_init(void **state)
+{
+	lru_int_t *lru;
+	lru_create(&lru, HASH_SIZE, NULL, NULL);
+	assert_non_null(lru);
+	*state = lru;
+}
+
+static void test_deinit(void **state)
+{
+	lru_int_t *lru = *state;
+	lru_free(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);
+}
-- 
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