112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
#include <fcntl.h>
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#include <libgen.h>
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#include <unistd.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 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 open
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// ============================================================================
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static int __test_open(const char *file_path, int flags, int mode) {
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int fd = open(file_path, flags, mode);
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if (fd < 0) {
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THROW_ERROR("failed to open 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 __test_openat_with_abs_path(const char *file_path, int flags, int mode) {
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int fd = openat(AT_FDCWD, file_path, flags, mode);
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if (fd < 0) {
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THROW_ERROR("failed to openat a file with abs path");
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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_openat_with_dirfd(const char *file_path, int flags, int mode) {
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char dir_buf[128] = { 0 };
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char base_buf[128] = { 0 };
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char *dir_name, *file_name;
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int dirfd, fd, ret;
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ret = snprintf(dir_buf, sizeof(dir_buf), "%s", file_path);
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if (ret >= sizeof(dir_buf) || ret < 0) {
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THROW_ERROR("failed to copy file path to the dir buffer");
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}
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ret = snprintf(base_buf, sizeof(base_buf), "%s", file_path);
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if (ret >= sizeof(base_buf) || ret < 0) {
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THROW_ERROR("failed to copy file path to the base buffer");
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}
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dir_name = dirname(dir_buf);
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file_name = basename(base_buf);
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dirfd = open(dir_name, O_RDONLY);
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if (dirfd < 0) {
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THROW_ERROR("failed to open dir");
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}
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fd = openat(dirfd, file_name, flags, mode);
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if (fd < 0) {
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close(dirfd);
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THROW_ERROR("failed to openat a file with dirfd");
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}
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close(dirfd);
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close(fd);
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return 0;
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}
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typedef int(*test_open_func_t)(const char *, int, int);
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static int test_open_framework(test_open_func_t fn) {
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const char *file_path = "/root/test_filesystem_open.txt";
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int flags = O_RDONLY | O_CREAT| O_TRUNC;
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int mode = 00666;
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if (fn(file_path, flags, mode) < 0)
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return -1;
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if (remove_file(file_path) < 0)
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return -1;
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return 0;
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}
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static int test_open() {
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return test_open_framework(__test_open);
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}
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static int test_openat_with_abs_path() {
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return test_open_framework(__test_openat_with_abs_path);
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}
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static int test_openat_with_dirfd() {
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return test_open_framework(__test_openat_with_dirfd);
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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_open),
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TEST_CASE(test_openat_with_abs_path),
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TEST_CASE(test_openat_with_dirfd),
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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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