isc/tests/pool_test.c

0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews/*
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt * Copyright (C) 2013, 2016  Internet Systems Consortium, Inc. ("ISC")
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews *
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * This Source Code Form is subject to the terms of the Mozilla Public
0c27b3fe77ac1d5094ba3521e8142d9e7973133fMark Andrews * License, v. 2.0. If a copy of the MPL was not distributed with this
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt * file, You can obtain one at http://mozilla.org/MPL/2.0/.
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt */
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt/* $Id$ */
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt/*! \file */
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include <config.h>
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include <atf-c.h>
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include <unistd.h>
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include <isc/mem.h>
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include <isc/pool.h>
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt#include "isctest.h"
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Hunt
b7e40659efd6cf6f5e6b3b1f904f16f74efb0d16Evan Huntstatic isc_result_t
poolinit(void **target, void *arg) {
    isc_result_t result;

    isc_taskmgr_t *mgr = (isc_taskmgr_t *) arg;
    isc_task_t *task = NULL;
    result = isc_task_create(mgr, 0, &task);
    if (result != ISC_R_SUCCESS)
        return (result);

    *target = (void *) task;
    return (ISC_R_SUCCESS);
}

static void
poolfree(void **target) {
    isc_task_t *task = *(isc_task_t **) target;
    isc_task_destroy(&task);
    *target = NULL;
}

/*
 * Individual unit tests
 */

/* Create a pool */
ATF_TC(create_pool);
ATF_TC_HEAD(create_pool, tc) {
    atf_tc_set_md_var(tc, "descr", "create a pool");
}
ATF_TC_BODY(create_pool, tc) {
    isc_result_t result;
    isc_pool_t *pool = NULL;

    UNUSED(tc);

    result = isc_test_begin(NULL, ISC_TRUE);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

    result = isc_pool_create(mctx, 8, poolfree, poolinit, taskmgr, &pool);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool), 8);

    isc_pool_destroy(&pool);
    ATF_REQUIRE_EQ(pool, NULL);

    isc_test_end();
}

/* Resize a pool */
ATF_TC(expand_pool);
ATF_TC_HEAD(expand_pool, tc) {
    atf_tc_set_md_var(tc, "descr", "expand a pool");
}
ATF_TC_BODY(expand_pool, tc) {
    isc_result_t result;
    isc_pool_t *pool1 = NULL, *pool2 = NULL, *hold = NULL;

    UNUSED(tc);

    result = isc_test_begin(NULL, ISC_TRUE);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

    result = isc_pool_create(mctx, 10, poolfree, poolinit, taskmgr, &pool1);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool1), 10);

    /* resizing to a smaller size should have no effect */
    hold = pool1;
    result = isc_pool_expand(&pool1, 5, &pool2);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool2), 10);
    ATF_REQUIRE_EQ(pool2, hold);
    ATF_REQUIRE_EQ(pool1, NULL);
    pool1 = pool2;
    pool2 = NULL;

    /* resizing to the same size should have no effect */
    hold = pool1;
    result = isc_pool_expand(&pool1, 10, &pool2);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool2), 10);
    ATF_REQUIRE_EQ(pool2, hold);
    ATF_REQUIRE_EQ(pool1, NULL);
    pool1 = pool2;
    pool2 = NULL;

    /* resizing to larger size should make a new pool */
    hold = pool1;
    result = isc_pool_expand(&pool1, 20, &pool2);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool2), 20);
    ATF_REQUIRE(pool2 != hold);
    ATF_REQUIRE_EQ(pool1, NULL);

    isc_pool_destroy(&pool2);
    ATF_REQUIRE_EQ(pool2, NULL);

    isc_test_end();
}

/* Get objects */
ATF_TC(get_objects);
ATF_TC_HEAD(get_objects, tc) {
    atf_tc_set_md_var(tc, "descr", "get objects");
}
ATF_TC_BODY(get_objects, tc) {
    isc_result_t result;
    isc_pool_t *pool = NULL;
    void *item;
    isc_task_t *task1 = NULL, *task2 = NULL, *task3 = NULL;

    UNUSED(tc);

    result = isc_test_begin(NULL, ISC_TRUE);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);

    result = isc_pool_create(mctx, 2, poolfree, poolinit, taskmgr, &pool);
    ATF_REQUIRE_EQ(result, ISC_R_SUCCESS);
    ATF_REQUIRE_EQ(isc_pool_count(pool), 2);

    item = isc_pool_get(pool);
    ATF_REQUIRE(item != NULL);
    isc_task_attach((isc_task_t *) item, &task1);

    item = isc_pool_get(pool);
    ATF_REQUIRE(item != NULL);
    isc_task_attach((isc_task_t *) item, &task2);

    item = isc_pool_get(pool);
    ATF_REQUIRE(item != NULL);
    isc_task_attach((isc_task_t *) item, &task3);

    isc_task_detach(&task1);
    isc_task_detach(&task2);
    isc_task_detach(&task3);

    isc_pool_destroy(&pool);
    ATF_REQUIRE_EQ(pool, NULL);

    isc_test_end();
}


/*
 * Main
 */
ATF_TP_ADD_TCS(tp) {
    ATF_TP_ADD_TC(tp, create_pool);
    ATF_TP_ADD_TC(tp, expand_pool);
    ATF_TP_ADD_TC(tp, get_objects);

    return (atf_no_error());
}