diff options
Diffstat (limited to 'test/test_syscalls.c')
| -rw-r--r-- | test/test_syscalls.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/test/test_syscalls.c b/test/test_syscalls.c index 38a37a1..4e1dc07 100644 --- a/test/test_syscalls.c +++ b/test/test_syscalls.c @@ -28,6 +28,7 @@ static char testname[256]; static char testdata[] = "abcdefghijklmnopqrstuvwxyz"; static char testdata2[] = "1234567890-=qwertyuiop[]\asdfghjkl;'zxcvbnm,./"; static const char *testdir_files[] = { "f1", "f2", NULL}; +static long seekdir_offsets[4]; static char zerodata[4096]; static int testdatalen = sizeof(testdata) - 1; static int testdata2len = sizeof(testdata2) - 1; @@ -87,6 +88,8 @@ static void __start_test(const char *fmt, ...) #define PERROR(msg) test_perror(__FUNCTION__, msg) #define ERROR(msg, args...) test_error(__FUNCTION__, msg, ##args) +#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0])) + static int check_size(const char *path, int len) { struct stat stbuf; @@ -651,6 +654,63 @@ static int test_ftruncate(int len, int mode) return 0; } +static int test_seekdir(void) +{ + int i; + int res; + DIR *dp; + struct dirent *de; + + start_test("seekdir"); + res = create_dir(testdir, testdir_files); + if (res == -1) + return res; + + dp = opendir(testdir); + if (dp == NULL) { + PERROR("opendir"); + return -1; + } + + /* Remember dir offsets */ + for (i = 0; i < ARRAY_SIZE(seekdir_offsets); i++) { + seekdir_offsets[i] = telldir(dp); + errno = 0; + de = readdir(dp); + if (de == NULL) { + if (errno) { + PERROR("readdir"); + goto fail; + } + break; + } + } + + /* Walk until the end of directory */ + while (de) + de = readdir(dp); + + /* Start from the last valid dir offset and seek backwards */ + for (i--; i >= 0; i--) { + seekdir(dp, seekdir_offsets[i]); + de = readdir(dp); + if (de == NULL) { + ERROR("Unexpected end of directory after seekdir()"); + goto fail; + } + } + + closedir(dp); + res = cleanup_dir(testdir, testdir_files, 0); + if (!res) + success(); + return res; +fail: + closedir(dp); + cleanup_dir(testdir, testdir_files, 1); + return -1; +} + static int test_utime(void) { struct utimbuf utm; @@ -1677,6 +1737,7 @@ int main(int argc, char *argv[]) err += test_rename_file(); err += test_rename_dir(); err += test_rename_dir_loop(); + err += test_seekdir(); err += test_utime(); err += test_truncate(0); err += test_truncate(testdatalen / 2); |