/* $NetBSD: symtab_test.c,v 1.2.4.2 2024/02/29 12:35:56 martin Exp $ */ /* * 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 #include /* IWYU pragma: keep */ #include #include #include #include #include #include #define UNIT_TESTING #include #include #include #include #include static void undefine(char *key, unsigned int type, isc_symvalue_t value, void *arg) { UNUSED(arg); assert_int_equal(type, 1); isc_mem_free(mctx, key); isc_mem_free(mctx, value.as_pointer); } /* test symbol table growth */ ISC_RUN_TEST_IMPL(symtab_grow) { isc_result_t result; isc_symtab_t *st = NULL; isc_symvalue_t value; isc_symexists_t policy = isc_symexists_reject; int i; UNUSED(state); result = isc_symtab_create(mctx, 3, undefine, NULL, false, &st); assert_int_equal(result, ISC_R_SUCCESS); assert_non_null(st); /* Nothing should be in the table yet */ /* * Put 1024 entries in the table (this should necessate * regrowing the hash table several times */ for (i = 0; i < 1024; i++) { char str[16], *key; snprintf(str, sizeof(str), "%04x", i); key = isc_mem_strdup(mctx, str); assert_non_null(key); value.as_pointer = isc_mem_strdup(mctx, str); assert_non_null(value.as_pointer); result = isc_symtab_define(st, key, 1, value, policy); assert_int_equal(result, ISC_R_SUCCESS); if (result != ISC_R_SUCCESS) { undefine(key, 1, value, NULL); } } /* * Try to put them in again; this should fail */ for (i = 0; i < 1024; i++) { char str[16], *key; snprintf(str, sizeof(str), "%04x", i); key = isc_mem_strdup(mctx, str); assert_non_null(key); value.as_pointer = isc_mem_strdup(mctx, str); assert_non_null(value.as_pointer); result = isc_symtab_define(st, key, 1, value, policy); assert_int_equal(result, ISC_R_EXISTS); undefine(key, 1, value, NULL); } /* * Retrieve them; this should succeed */ for (i = 0; i < 1024; i++) { char str[16]; snprintf(str, sizeof(str), "%04x", i); result = isc_symtab_lookup(st, str, 0, &value); assert_int_equal(result, ISC_R_SUCCESS); assert_string_equal(str, (char *)value.as_pointer); } /* * Undefine them */ for (i = 0; i < 1024; i++) { char str[16]; snprintf(str, sizeof(str), "%04x", i); result = isc_symtab_undefine(st, str, 1); assert_int_equal(result, ISC_R_SUCCESS); } /* * Retrieve them again; this should fail */ for (i = 0; i < 1024; i++) { char str[16]; snprintf(str, sizeof(str), "%04x", i); result = isc_symtab_lookup(st, str, 0, &value); assert_int_equal(result, ISC_R_NOTFOUND); } isc_symtab_destroy(&st); } ISC_TEST_LIST_START ISC_TEST_ENTRY(symtab_grow) ISC_TEST_LIST_END ISC_TEST_MAIN