strerror_tests.c

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/*
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or (at your option) any later version.
 *
 *   This library 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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
/** Tests for a generic string buffer structure for string printing and parsing
 *
 * @file src/lib/util/strerror_tests.c
 *
 * @copyright 2020 Arran Cudbard-Bell <a.cudbardb@freeradius.org>
 */
#include <freeradius-devel/util/acutest.h>
#include <freeradius-devel/util/acutest_helpers.h>
#include <freeradius-devel/util/time.h>
 
static void strerror_uninit(void)
{
        char const *error;
 
        error = fr_strerror();
 
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_pop_uninit(void)
{
        char const *error;
 
        error = fr_strerror_pop();
 
        TEST_CHECK(error == NULL);
}
 
static void strerror_perror_null(void)
{
        /*
         *      Just a smoke test, can't check output
         */
        fr_perror(NULL);
        fr_perror("Foo");
 
        fr_strerror_const("Test");
        fr_perror("Bar");
}
 
static void strerror_printf(void)
{
        char const *error;
 
        fr_strerror_printf("Testing %i", 123);
 
        error = fr_strerror();
 
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 123");
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_push_pop(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
 
        error = fr_strerror_pop();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1");
 
        error = fr_strerror_pop();
        TEST_CHECK(error == NULL);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_push_strerror(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1");
 
        error = fr_strerror_pop();
        TEST_CHECK(error == NULL);
}
 
static void strerror_printf_push_pop_multi(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
        fr_strerror_printf_push("Testing %i", 2);
 
        error = fr_strerror_pop();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1");
 
        error = fr_strerror_pop();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 2");
 
        error = fr_strerror_pop();
        TEST_CHECK(error == NULL);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_push_strerror_multi(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
        fr_strerror_printf_push("Testing %i", 2);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 2");
 
        error = fr_strerror_pop();
        TEST_CHECK(error == NULL);
}
 
static void strerror_printf_strerror_append(void)
{
        char const *error;
 
        fr_strerror_printf("Testing %i", 1);
        fr_strerror_printf("%s Testing %i", fr_strerror(), 2);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1 Testing 2");
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_push_append(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
        fr_strerror_printf("%s Testing %i", fr_strerror(), 2);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1 Testing 2");
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_push_append2(void)
{
        char const *error;
 
        fr_strerror_printf_push("Testing %i", 1);
        fr_strerror_printf("%s Testing %i", fr_strerror_pop(), 2);
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK_STRCMP(error, "Testing 1 Testing 2");
 
        error = fr_strerror();
        TEST_CHECK(error != NULL);
        TEST_CHECK(error && (error[0] == '\0'));
}
 
static void strerror_printf_benchmark(void)
{
        int             i;
        fr_time_t       start, stop;
        uint64_t        rate;
 
        fr_strerror_const("pre-allocate buffers");
        fr_strerror_clear();
 
        start = fr_time();
        for (i = 0; i < 100000; i++) {
                fr_strerror_printf("I am a test %u string %u %s", i, i, "benchmark");
                fr_strerror_clear();    /* Clear */
        }
        stop = fr_time();
 
        rate = (uint64_t)((float)NSEC / (fr_time_delta_unwrap(fr_time_sub(stop, start)) / 100000));
        printf("printf pop rate %" PRIu64 "\n", rate);
 
        /* shared runners are terrible for performance tests */
        if (!getenv("NO_PERFORMANCE_TESTS")) TEST_CHECK(rate > 200000);
}
 
 
static void strerror_const_benchmark(void)
{
        int             i;
        fr_time_t       start, stop;
        uint64_t        rate;
 
        fr_strerror_const("pre-allocate buffers");
        fr_strerror_clear();
 
        start = fr_time();
        for (i = 0; i < 100000; i++) {
                fr_strerror_const("I am a test string");
                fr_strerror_clear();    /* Clear */
        }
        stop = fr_time();
 
        rate = (uint64_t)((float)NSEC / (fr_time_delta_unwrap(fr_time_sub(stop, start)) / 100000));
        printf("const pop rate %" PRIu64 "\n", rate);
 
        /* shared runners are terrible for performance tests */
        if (!getenv("NO_PERFORMANCE_TESTS")) TEST_CHECK(rate > 1000000);
}
 
 
TEST_LIST = {
        { "strerror_uninit",                    strerror_uninit },
        { "strerror_pop_uninit",                strerror_pop_uninit },
        { "strerror_perror_null",               strerror_perror_null },
 
        { "strerror_printf",                    strerror_printf },
        { "strerror_printf_push_pop",           strerror_printf_push_pop },
 
        { "strerror_printf_push_strerror",      strerror_printf_push_strerror },
        { "strerror_printf_push_pop_multi",     strerror_printf_push_pop_multi },
        { "strerror_printf_push_strerror_multi",strerror_printf_push_strerror_multi },
        { "strerror_printf_strerror_append",    strerror_printf_strerror_append },
        { "strerror_printf_push_append",        strerror_printf_push_append },
        { "strerror_printf_push_append2",       strerror_printf_push_append2 },
 
        { "strerror_printf_benchmark",          strerror_printf_benchmark },
        { "strerror_const_benchmark",           strerror_const_benchmark },
 
        { 0 }
};