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/*
* Copyright (C) 2023 Hewlett Packard Enterprise Development LP
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <config.h>
#undef NDEBUG
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <unistd.h>
#include "byteq.h"
#include "ovstest.h"
#include "util.h"
static void test_byteq_main(int argc, char *argv[]);
static void test_byteq_put_get(void);
static void test_byteq_putn_get(void);
static void test_byteq_put_string(void);
static void test_byteq_write_read(void);
#define SIZE 256
static void
test_byteq_put_get(void)
{
struct byteq bq;
uint8_t buffer[SIZE];
const char *input = "Open vSwitch";
const int input_len = strlen(input);
byteq_init(&bq, buffer, SIZE);
for (int i = 0; i < input_len; i++) {
byteq_put(&bq, input[i]);
}
for (int i = 0; i < input_len; i++) {
ovs_assert(byteq_get(&bq) == input[i]);
}
}
static void
test_byteq_putn_get(void)
{
struct byteq bq;
uint8_t buffer[SIZE];
const char *input = "Open vSwitch";
const int input_len = strlen(input);
byteq_init(&bq, buffer, SIZE);
byteq_putn(&bq, input, input_len);
for (int i = 0; i < input_len; i++) {
ovs_assert(byteq_get(&bq) == input[i]);
}
}
static void
test_byteq_put_string(void)
{
struct byteq bq;
uint8_t buffer[SIZE];
const char *input = "Open vSwitch";
const int input_len = strlen(input);
byteq_init(&bq, buffer, SIZE);
byteq_put_string(&bq, input);
for (int i = 0; i < input_len; i++) {
ovs_assert(byteq_get(&bq) == input[i]);
}
}
static void
test_byteq_write_read(void)
{
#ifndef _WIN32
int fd[2];
pid_t childpid;
int rc;
struct byteq bq;
uint8_t buffer[SIZE];
const char *input = "Open vSwitch";
const int input_len = strlen(input);
byteq_init(&bq, buffer, SIZE);
byteq_put_string(&bq, input);
rc = pipe(fd);
ovs_assert(rc == 0);
/* Flush stdout */
fflush(stdout);
childpid = fork();
ovs_assert(childpid != -1);
if (childpid == 0) {
/* Child process closes stdout */
close(STDOUT_FILENO);
/* Child process closes up input side of pipe */
close(fd[0]);
rc = byteq_write(&bq, fd[1]);
ovs_assert(rc == 0);
exit(0);
} else {
/* Parent process closes up output side of pipe */
close(fd[1]);
rc = byteq_read(&bq, fd[0]);
ovs_assert(rc == EOF);
for (int i = 0; i < input_len; i++) {
ovs_assert(byteq_get(&bq) == input[i]);
}
}
#endif /* _WIN32 */
}
static void
run_test(void (*function)(void))
{
function();
printf(".");
}
static void
test_byteq_main(int argc, char *argv[])
{
if (argc != 2) {
ovs_fatal(0, "exactly one argument required\n"
"the argument must be one of the following:\n"
"\tbasic\n"
"\twrite_read\n");
}
if (strcmp(argv[1], "write_read") == 0) {
run_test(test_byteq_write_read);
printf("\n");
} else if (strcmp(argv[1], "basic") == 0) {
run_test(test_byteq_put_get);
run_test(test_byteq_putn_get);
run_test(test_byteq_put_string);
printf("\n");
} else {
ovs_fatal(0, "invalid argument\n"
"the argument must be one of the following:\n"
"\tbasic\n"
"\twrite_read\n");
}
}
OVSTEST_REGISTER("test-byteq", test_byteq_main);
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