125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdio.h>
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#include "test.h"
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// ============================================================================
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// Helper function
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// ============================================================================
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static int create_file(const char *file_path) {
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int fd;
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int flags = O_RDONLY | O_CREAT | O_TRUNC;
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int mode = 00666;
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fd = open(file_path, flags, mode);
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if (fd < 0) {
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THROW_ERROR("failed to create a file");
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}
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close(fd);
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return 0;
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}
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static int remove_file(const char *file_path) {
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int ret;
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ret = unlink(file_path);
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if (ret < 0) {
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THROW_ERROR("failed to unlink the created file");
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}
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return 0;
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}
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// ============================================================================
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// Test cases for hostfs
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// ============================================================================
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static int __test_write_read(const char *file_path) {
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char *write_str = "Write to hostfs successfully!";
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char read_buf[128] = { 0 };
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int fd;
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fd = open(file_path, O_WRONLY);
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if (fd < 0) {
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THROW_ERROR("failed to open a file to write");
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}
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if (write(fd, write_str, strlen(write_str)) <= 0) {
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THROW_ERROR("failed to write to the file");
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}
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close(fd);
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fd = open(file_path, O_RDONLY);
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if (fd < 0) {
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THROW_ERROR("failed to open a file to read");
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}
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if (read(fd, read_buf, sizeof(read_buf)) != strlen(write_str)) {
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THROW_ERROR("failed to read to the file");
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}
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if (strcmp(write_str, read_buf) != 0) {
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THROW_ERROR("the message read from the file is not as it was written");
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}
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close(fd);
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return 0;
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}
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static int __test_rename(const char *file_path) {
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char *rename_path = "/host/hostfs_rename.txt";
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struct stat stat_buf;
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int ret;
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ret = rename(file_path, rename_path);
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if (ret < 0) {
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THROW_ERROR("failed to rename");
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}
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ret = stat(file_path, &stat_buf);
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if (!(ret < 0 && errno == ENOENT)) {
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THROW_ERROR("stat should return ENOENT");
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}
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ret = stat(rename_path, &stat_buf);
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if (ret < 0) {
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THROW_ERROR("failed to stat the file");
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}
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if (rename(rename_path, file_path) < 0) {
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THROW_ERROR("failed to rename back");
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}
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return 0;
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}
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typedef int(*test_hostfs_func_t)(const char *);
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static int test_hostfs_framework(test_hostfs_func_t fn) {
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const char *file_path = "/host/hostfs_test.txt";
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if (create_file(file_path) < 0) {
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return -1;
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}
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if (fn(file_path) < 0) {
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return -1;
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}
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if (remove_file(file_path) < 0) {
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return -1;
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}
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return 0;
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}
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static int test_write_read() {
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return test_hostfs_framework(__test_write_read);
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}
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static int test_rename() {
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return test_hostfs_framework(__test_rename);
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}
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// ============================================================================
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// Test suite main
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// ============================================================================
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static test_case_t test_cases[] = {
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TEST_CASE(test_write_read),
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TEST_CASE(test_rename),
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};
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int main(int argc, const char *argv[]) {
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return test_suite_run(test_cases, ARRAY_SIZE(test_cases));
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}
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