84 lines
2.4 KiB
Rust
84 lines
2.4 KiB
Rust
use libc;
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use more_asserts::assert_gt;
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use std::{env, mem, process};
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use wasi::wasi_unstable;
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use wasi_misc_tests::open_scratch_directory;
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use wasi_misc_tests::wasi_wrappers::wasi_fd_fdstat_get;
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unsafe fn test_close_preopen(dir_fd: wasi_unstable::Fd) {
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let pre_fd: wasi_unstable::Fd = (libc::STDERR_FILENO + 1) as wasi_unstable::Fd;
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assert_gt!(dir_fd, pre_fd, "dir_fd number");
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// Try to close a preopened directory handle.
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assert_eq!(
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wasi_unstable::fd_close(pre_fd),
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Err(wasi_unstable::ENOTSUP),
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"closing a preopened file descriptor",
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);
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// Try to renumber over a preopened directory handle.
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assert_eq!(
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wasi_unstable::fd_renumber(dir_fd, pre_fd),
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Err(wasi_unstable::ENOTSUP),
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"renumbering over a preopened file descriptor",
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);
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// Ensure that dir_fd is still open.
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let mut dir_fdstat: wasi_unstable::FdStat = mem::zeroed();
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let mut status = wasi_fd_fdstat_get(dir_fd, &mut dir_fdstat);
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assert_eq!(
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status,
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wasi_unstable::raw::__WASI_ESUCCESS,
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"calling fd_fdstat on the scratch directory"
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);
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assert_eq!(
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dir_fdstat.fs_filetype,
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wasi_unstable::FILETYPE_DIRECTORY,
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"expected the scratch directory to be a directory",
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);
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// Try to renumber a preopened directory handle.
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assert_eq!(
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wasi_unstable::fd_renumber(pre_fd, dir_fd),
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Err(wasi_unstable::ENOTSUP),
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"renumbering over a preopened file descriptor",
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);
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// Ensure that dir_fd is still open.
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status = wasi_fd_fdstat_get(dir_fd, &mut dir_fdstat);
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assert_eq!(
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status,
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wasi_unstable::raw::__WASI_ESUCCESS,
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"calling fd_fdstat on the scratch directory"
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);
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assert_eq!(
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dir_fdstat.fs_filetype,
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wasi_unstable::FILETYPE_DIRECTORY,
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"expected the scratch directory to be a directory",
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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_close_preopen(dir_fd) }
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}
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