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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:59:48 +0000
commit3b9b6d0b8e7f798023c9d109c490449d528fde80 (patch)
tree2e1c188dd7b8d7475cd163de9ae02c428343669b /tests/isc/ht_test.c
parentInitial commit. (diff)
downloadbind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.tar.xz
bind9-3b9b6d0b8e7f798023c9d109c490449d528fde80.zip
Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/isc/ht_test.c')
-rw-r--r--tests/isc/ht_test.c322
1 files changed, 322 insertions, 0 deletions
diff --git a/tests/isc/ht_test.c b/tests/isc/ht_test.c
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <inttypes.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/hash.h>
+#include <isc/ht.h>
+#include <isc/mem.h>
+#include <isc/print.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <tests/isc.h>
+
+/* INCLUDE LAST */
+
+#define mctx __mctx
+#include "ht.c"
+#undef mctx
+
+static void
+test_ht_full(int bits, uintptr_t count) {
+ isc_ht_t *ht = NULL;
+ isc_result_t result;
+ uintptr_t i;
+
+ isc_ht_init(&ht, mctx, bits, ISC_HT_CASE_SENSITIVE);
+ assert_non_null(ht);
+
+ for (i = 1; i < count; i++) {
+ /*
+ * Note: snprintf() is followed with strlcat()
+ * to ensure we are always filling the 16 byte key.
+ */
+ unsigned char key[16];
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_add(ht, key, 16, (void *)i);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ void *f = NULL;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_find(ht, key, 16, &f);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ assert_ptr_equal((void *)i, (void *)f);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_add(ht, key, 16, (void *)i);
+ assert_int_equal(result, ISC_R_EXISTS);
+ }
+
+ for (i = 1; i < count; i++) {
+ char key[64];
+ /*
+ * Note: the key size is now strlen(key) which is bigger
+ * then the keys added above.
+ */
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_add(ht, (const unsigned char *)key, strlen(key),
+ (void *)i);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ void *f = NULL;
+ /*
+ * Note: case of KEY is now in capitals,
+ */
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " KEY of a raw hashtable!!", sizeof(key));
+ result = isc_ht_find(ht, key, 16, &f);
+ assert_int_equal(result, ISC_R_NOTFOUND);
+ assert_null(f);
+ }
+
+ for (i = 1; i < count; i++) {
+ char key[64];
+ void *f = NULL;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_find(ht, (const unsigned char *)key,
+ strlen(key), &f);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ assert_ptr_equal(f, (void *)i);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ void *f = NULL;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_delete(ht, key, 16);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ result = isc_ht_find(ht, key, 16, &f);
+ assert_int_equal(result, ISC_R_NOTFOUND);
+ assert_null(f);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ /*
+ * Note: upper case KEY.
+ */
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " KEY of a raw hashtable!!", sizeof(key));
+ result = isc_ht_add(ht, key, 16, (void *)i);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ }
+
+ for (i = 1; i < count; i++) {
+ char key[64];
+ void *f = NULL;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_delete(ht, (const unsigned char *)key,
+ strlen(key));
+ assert_int_equal(result, ISC_R_SUCCESS);
+ result = isc_ht_find(ht, (const unsigned char *)key,
+ strlen(key), &f);
+ assert_int_equal(result, ISC_R_NOTFOUND);
+ assert_null(f);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ void *f = NULL;
+ /*
+ * Note: case of KEY is now in capitals,
+ */
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " KEY of a raw hashtable!!", sizeof(key));
+ result = isc_ht_find(ht, key, 16, &f);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ assert_ptr_equal((void *)i, (void *)f);
+ }
+
+ for (i = 1; i < count; i++) {
+ unsigned char key[16];
+ void *f = NULL;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, " key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_find(ht, key, 16, &f);
+ assert_int_equal(result, ISC_R_NOTFOUND);
+ assert_null(f);
+ }
+
+ isc_ht_destroy(&ht);
+ assert_null(ht);
+}
+
+static void
+test_ht_iterator(void) {
+ isc_ht_t *ht = NULL;
+ isc_result_t result;
+ isc_ht_iter_t *iter = NULL;
+ uintptr_t i;
+ uintptr_t count = 10000;
+ uint32_t walked;
+ unsigned char key[16];
+ size_t tksize;
+
+ isc_ht_init(&ht, mctx, 16, ISC_HT_CASE_SENSITIVE);
+ assert_non_null(ht);
+ for (i = 1; i <= count; i++) {
+ /*
+ * Note that the string we're snprintfing is always > 16 bytes
+ * so we are always filling the key.
+ */
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, "key of a raw hashtable!!", sizeof(key));
+ result = isc_ht_add(ht, key, 16, (void *)i);
+ assert_int_equal(result, ISC_R_SUCCESS);
+ }
+
+ walked = 0;
+ isc_ht_iter_create(ht, &iter);
+
+ for (result = isc_ht_iter_first(iter); result == ISC_R_SUCCESS;
+ result = isc_ht_iter_next(iter))
+ {
+ unsigned char *tkey = NULL;
+ void *v = NULL;
+
+ isc_ht_iter_current(iter, &v);
+ isc_ht_iter_currentkey(iter, &tkey, &tksize);
+ assert_int_equal(tksize, 16);
+ i = (uintptr_t)v;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, "key of a raw hashtable!!", sizeof(key));
+ assert_memory_equal(key, tkey, 16);
+ walked++;
+ }
+ assert_int_equal(walked, count);
+ assert_int_equal(result, ISC_R_NOMORE);
+
+ /* erase odd */
+ walked = 0;
+ result = isc_ht_iter_first(iter);
+ while (result == ISC_R_SUCCESS) {
+ unsigned char *tkey = NULL;
+ void *v = NULL;
+
+ isc_ht_iter_current(iter, &v);
+ isc_ht_iter_currentkey(iter, &tkey, &tksize);
+ assert_int_equal(tksize, 16);
+ i = (uintptr_t)v;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, "key of a raw hashtable!!", sizeof(key));
+ assert_memory_equal(key, tkey, 16);
+ if ((uintptr_t)v % 2 == 0) {
+ result = isc_ht_iter_delcurrent_next(iter);
+ } else {
+ result = isc_ht_iter_next(iter);
+ }
+ walked++;
+ }
+ assert_int_equal(result, ISC_R_NOMORE);
+ assert_int_equal(walked, count);
+
+ /* erase even */
+ walked = 0;
+ result = isc_ht_iter_first(iter);
+ while (result == ISC_R_SUCCESS) {
+ unsigned char *tkey = NULL;
+ void *v = NULL;
+
+ isc_ht_iter_current(iter, &v);
+ isc_ht_iter_currentkey(iter, &tkey, &tksize);
+ assert_int_equal(tksize, 16);
+ i = (uintptr_t)v;
+ snprintf((char *)key, sizeof(key), "%u", (unsigned int)i);
+ strlcat((char *)key, "key of a raw hashtable!!", sizeof(key));
+ assert_memory_equal(key, tkey, 16);
+ if ((uintptr_t)v % 2 == 1) {
+ result = isc_ht_iter_delcurrent_next(iter);
+ } else {
+ result = isc_ht_iter_next(iter);
+ }
+ walked++;
+ }
+ assert_int_equal(result, ISC_R_NOMORE);
+ assert_int_equal(walked, count / 2);
+
+ walked = 0;
+ for (result = isc_ht_iter_first(iter); result == ISC_R_SUCCESS;
+ result = isc_ht_iter_next(iter))
+ {
+ walked++;
+ }
+
+ assert_int_equal(result, ISC_R_NOMORE);
+ assert_int_equal(walked, 0);
+
+ isc_ht_iter_destroy(&iter);
+ assert_null(iter);
+
+ isc_ht_destroy(&ht);
+ assert_null(ht);
+}
+
+/* 20 bit, 200K elements test */
+ISC_RUN_TEST_IMPL(isc_ht_20) {
+ UNUSED(state);
+ test_ht_full(20, 200000);
+}
+
+/* 8 bit, 20000 elements crowded test */
+ISC_RUN_TEST_IMPL(isc_ht_8) {
+ UNUSED(state);
+ test_ht_full(8, 20000);
+}
+
+ISC_RUN_TEST_IMPL(isc_ht_1) {
+ UNUSED(state);
+ test_ht_full(1, 100);
+}
+
+/* test hashtable iterator */
+
+ISC_RUN_TEST_IMPL(isc_ht_iterator) {
+ UNUSED(state);
+ test_ht_iterator();
+}
+
+ISC_TEST_LIST_START
+ISC_TEST_ENTRY(isc_ht_20)
+ISC_TEST_ENTRY(isc_ht_8)
+ISC_TEST_ENTRY(isc_ht_1)
+ISC_TEST_ENTRY(isc_ht_iterator)
+ISC_TEST_LIST_END
+
+ISC_TEST_MAIN