57 lines
2.0 KiB
Rust
57 lines
2.0 KiB
Rust
use more_asserts::assert_gt;
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use std::{env, process};
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use wasi_tests::{open_scratch_directory, TESTCONFIG};
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unsafe fn test_dangling_fd(dir_fd: wasi::Fd) {
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if TESTCONFIG.support_dangling_filesystem() {
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// Create a file, open it, delete it without closing the handle,
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// and then try creating it again
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let fd = wasi::path_open(dir_fd, 0, "file", wasi::OFLAGS_CREAT, 0, 0, 0).unwrap();
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wasi::fd_close(fd).unwrap();
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let file_fd = wasi::path_open(dir_fd, 0, "file", 0, 0, 0, 0).expect("failed to open");
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assert_gt!(
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file_fd,
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libc::STDERR_FILENO as wasi::Fd,
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"file descriptor range check",
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);
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wasi::path_unlink_file(dir_fd, "file").expect("failed to unlink");
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let fd = wasi::path_open(dir_fd, 0, "file", wasi::OFLAGS_CREAT, 0, 0, 0).unwrap();
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wasi::fd_close(fd).unwrap();
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// Now, repeat the same process but for a directory
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wasi::path_create_directory(dir_fd, "subdir").expect("failed to create dir");
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let subdir_fd = wasi::path_open(dir_fd, 0, "subdir", wasi::OFLAGS_DIRECTORY, 0, 0, 0)
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.expect("failed to open dir");
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assert_gt!(
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subdir_fd,
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libc::STDERR_FILENO as wasi::Fd,
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"file descriptor range check",
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);
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wasi::path_remove_directory(dir_fd, "subdir").expect("failed to remove dir 2");
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wasi::path_create_directory(dir_fd, "subdir").expect("failed to create dir 2");
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}
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}
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fn main() {
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let mut args = env::args();
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let prog = args.next().unwrap();
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let arg = if let Some(arg) = args.next() {
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arg
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} else {
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eprintln!("usage: {} <scratch directory>", prog);
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process::exit(1);
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};
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// Open scratch directory
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let dir_fd = match open_scratch_directory(&arg) {
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Ok(dir_fd) => dir_fd,
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Err(err) => {
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eprintln!("{}", err);
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process::exit(1)
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}
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};
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// Run the tests.
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unsafe { test_dangling_fd(dir_fd) }
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}
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