Files
wasmtime/crates/test-programs/wasi-tests/src/bin/path_symlink_trailing_slashes.rs
2021-02-03 14:54:42 -08:00

89 lines
3.1 KiB
Rust

use std::{env, process};
use wasi_tests::{assert_errno, create_file, open_scratch_directory, TESTCONFIG};
unsafe fn test_path_symlink_trailing_slashes(dir_fd: wasi::Fd) {
if TESTCONFIG.support_dangling_filesystem() {
// Dangling symlink: Link destination shouldn't end with a slash.
assert_errno!(
wasi::path_symlink("source", dir_fd, "target/")
.expect_err("link destination ending with a slash should fail")
.raw_error(),
wasi::ERRNO_NOENT
);
// Dangling symlink: Without the trailing slash, this should succeed.
wasi::path_symlink("source", dir_fd, "target")
.expect("link destination ending with a slash");
wasi::path_unlink_file(dir_fd, "target").expect("removing a file");
}
// Link destination already exists, target has trailing slash.
wasi::path_create_directory(dir_fd, "target").expect("creating a directory");
assert_errno!(
wasi::path_symlink("source", dir_fd, "target/")
.expect_err("link destination already exists")
.raw_error(),
unix => wasi::ERRNO_EXIST,
windows => wasi::ERRNO_NOENT
);
wasi::path_remove_directory(dir_fd, "target").expect("removing a directory");
// Link destination already exists, target has no trailing slash.
wasi::path_create_directory(dir_fd, "target").expect("creating a directory");
assert_errno!(
wasi::path_symlink("source", dir_fd, "target")
.expect_err("link destination already exists")
.raw_error(),
unix => wasi::ERRNO_EXIST,
windows => wasi::ERRNO_NOENT
);
wasi::path_remove_directory(dir_fd, "target").expect("removing a directory");
// Link destination already exists, target has trailing slash.
create_file(dir_fd, "target");
assert_errno!(
wasi::path_symlink("source", dir_fd, "target/")
.expect_err("link destination already exists")
.raw_error(),
unix => wasi::ERRNO_NOTDIR,
windows => wasi::ERRNO_NOENT
);
wasi::path_unlink_file(dir_fd, "target").expect("removing a file");
// Link destination already exists, target has no trailing slash.
create_file(dir_fd, "target");
assert_errno!(
wasi::path_symlink("source", dir_fd, "target")
.expect_err("link destination already exists")
.raw_error(),
unix => wasi::ERRNO_EXIST,
windows => wasi::ERRNO_NOENT
);
wasi::path_unlink_file(dir_fd, "target").expect("removing a file");
}
fn main() {
let mut args = env::args();
let prog = args.next().unwrap();
let arg = if let Some(arg) = args.next() {
arg
} else {
eprintln!("usage: {} <scratch directory>", prog);
process::exit(1);
};
// Open scratch directory
let dir_fd = match open_scratch_directory(&arg) {
Ok(dir_fd) => dir_fd,
Err(err) => {
eprintln!("{}", err);
process::exit(1)
}
};
// Run the tests.
unsafe { test_path_symlink_trailing_slashes(dir_fd) }
}