4 files changed, 342 insertions, 0 deletions
diff --git a/vendor/io-lifetimes/tests/api.rs b/vendor/io-lifetimes/tests/api.rs
new file mode 100644
index 000000000..19f65c440
--- /dev/null
+++ b/vendor/io-lifetimes/tests/api.rs
@@ -0,0 +1,146 @@
+#![cfg_attr(target_os = "wasi", feature(wasi_ext))]
+#![cfg(feature = "close")]
+#![cfg_attr(io_lifetimes_use_std, feature(io_safety))]
+
+use io_lifetimes::raw::{AsRawFilelike, AsRawSocketlike};
+use io_lifetimes::views::{FilelikeView, SocketlikeView};
+use io_lifetimes::{
+    AsFilelike, AsSocketlike, BorrowedFilelike, FromFilelike, FromSocketlike, IntoFilelike,
+    IntoSocketlike,
+};
+use std::io::{Read, Write};
+
+struct Tester {}
+impl Tester {
+    fn use_file<Filelike: AsFilelike>(filelike: Filelike) {
+        let mut buf = Vec::new();
+
+        let filelike = filelike.as_filelike();
+
+        let view = filelike.as_filelike_view::<std::fs::File>();
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+
+        let view = unsafe {
+            FilelikeView::<std::fs::File>::view_raw(
+                filelike
+                    .as_filelike_view::<std::fs::File>()
+                    .as_raw_filelike(),
+            )
+        };
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+
+        let _ = dbg!(filelike);
+    }
+
+    fn use_socket<Socketlike: AsSocketlike>(socketlike: Socketlike) {
+        let mut buf = Vec::new();
+
+        let socketlike = socketlike.as_socketlike();
+        let view = socketlike.as_socketlike_view::<std::net::TcpStream>();
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+
+        let view = unsafe {
+            SocketlikeView::<std::net::TcpStream>::view_raw(
+                socketlike
+                    .as_socketlike_view::<std::net::TcpStream>()
+                    .as_raw_socketlike(),
+            )
+        };
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+
+        let _ = dbg!(socketlike);
+    }
+
+    fn from_file<Filelike: IntoFilelike>(filelike: Filelike) {
+        let mut buf = Vec::new();
+
+        let filelike = filelike.into_filelike();
+        let view = filelike.as_filelike_view::<std::fs::File>();
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+        drop(view);
+
+        let _ = dbg!(&filelike);
+        let _ = std::fs::File::from_filelike(filelike);
+    }
+
+    fn from_socket<Socketlike: IntoSocketlike>(socketlike: Socketlike) {
+        let mut buf = Vec::new();
+
+        let socketlike = socketlike.into_socketlike();
+        let view = socketlike.as_socketlike_view::<std::net::TcpStream>();
+        let _ = (&*view).read(&mut buf).is_ok();
+        let _ = (&*view).write(&buf).is_ok();
+        drop(view);
+
+        let _ = dbg!(&socketlike);
+        let _ = std::net::TcpStream::from_socketlike(socketlike);
+    }
+
+    fn from_into_file<Filelike: IntoFilelike>(filelike: Filelike) {
+        let _ = std::fs::File::from_into_filelike(filelike);
+    }
+
+    fn from_into_socket<Socketlike: IntoSocketlike>(socketlike: Socketlike) {
+        let _ = std::net::TcpStream::from_into_socketlike(socketlike);
+    }
+}
+
+#[test]
+fn test_api() {
+    let file = std::fs::File::open("Cargo.toml").unwrap();
+    Tester::use_file(&file);
+    Tester::use_file(file.as_filelike());
+    Tester::use_file(&*file.as_filelike_view::<std::fs::File>());
+    Tester::use_file(file.as_filelike_view::<std::fs::File>().as_filelike());
+
+    let socket = std::net::TcpListener::bind("127.0.0.1:0").unwrap();
+    Tester::use_socket(&socket);
+    Tester::use_socket(socket.as_socketlike());
+    Tester::use_socket(&*socket.as_socketlike_view::<std::net::TcpListener>());
+    Tester::use_socket(
+        socket
+            .as_socketlike_view::<std::net::TcpListener>()
+            .as_socketlike(),
+    );
+
+    Tester::from_file(std::fs::File::open("Cargo.toml").unwrap().into_filelike());
+    Tester::from_file(
+        std::fs::File::open("Cargo.toml")
+            .unwrap()
+            .into_filelike()
+            .into_filelike(),
+    );
+    Tester::from_socket(
+        std::net::TcpListener::bind("127.0.0.1:0")
+            .unwrap()
+            .into_socketlike(),
+    );
+    Tester::from_socket(
+        std::net::TcpListener::bind("127.0.0.1:0")
+            .unwrap()
+            .into_socketlike()
+            .into_socketlike(),
+    );
+
+    Tester::from_into_file(std::fs::File::open("Cargo.toml").unwrap().into_filelike());
+    Tester::from_into_socket(
+        std::net::TcpListener::bind("127.0.0.1:0")
+            .unwrap()
+            .into_socketlike(),
+    );
+}
+
+#[test]
+fn test_as() {
+    let file = std::fs::File::open("Cargo.toml").unwrap();
+    let borrow: BorrowedFilelike = file.as_filelike();
+    let reborrow: BorrowedFilelike = borrow.as_filelike();
+    let ref_reborrow: &BorrowedFilelike = &reborrow;
+    let borrow_ref_reborrow: BorrowedFilelike = ref_reborrow.as_filelike();
+    let _ref_borrow_ref_reborrow: &BorrowedFilelike = &borrow_ref_reborrow;
+}
diff --git a/vendor/io-lifetimes/tests/assumptions.rs b/vendor/io-lifetimes/tests/assumptions.rs
new file mode 100644
index 000000000..33094b653
--- /dev/null
+++ b/vendor/io-lifetimes/tests/assumptions.rs
@@ -0,0 +1,45 @@
+#![cfg_attr(target_os = "wasi", feature(wasi_ext))]
+
+#[cfg(any(not(windows), feature = "close"))]
+use std::mem::size_of;
+
+#[cfg(unix)]
+#[test]
+fn test_assumptions() {
+    assert_eq!(size_of::<std::os::unix::io::RawFd>(), size_of::<i32>());
+    assert_eq!(
+        size_of::<std::os::unix::io::RawFd>(),
+        size_of::<std::os::raw::c_int>()
+    );
+}
+
+#[cfg(target_os = "wasi")]
+#[test]
+fn test_assumptions() {
+    assert_eq!(size_of::<std::os::wasi::io::RawFd>(), size_of::<i32>());
+    assert_eq!(
+        size_of::<std::os::wasi::io::RawFd>(),
+        size_of::<std::os::raw::c_int>()
+    );
+}
+
+#[cfg(all(windows, feature = "close"))]
+#[test]
+fn test_assumptions() {
+    assert_eq!(
+        size_of::<std::os::windows::io::RawSocket>(),
+        size_of::<windows_sys::Win32::Networking::WinSock::SOCKET>()
+    );
+    assert_eq!(
+        size_of::<std::os::windows::io::RawHandle>(),
+        size_of::<windows_sys::Win32::Foundation::HANDLE>()
+    );
+    assert_eq!(
+        windows_sys::Win32::Networking::WinSock::INVALID_SOCKET,
+        usize::MAX
+    );
+    assert_ne!(
+        windows_sys::Win32::Foundation::INVALID_HANDLE_VALUE,
+        std::ptr::null_mut() as std::os::windows::io::RawHandle as _
+    );
+}
diff --git a/vendor/io-lifetimes/tests/ffi.rs b/vendor/io-lifetimes/tests/ffi.rs
new file mode 100644
index 000000000..af03efe05
--- /dev/null
+++ b/vendor/io-lifetimes/tests/ffi.rs
@@ -0,0 +1,80 @@
+#![cfg_attr(not(rustc_attrs), allow(unused_imports))]
+#![cfg(feature = "close")]
+#![cfg_attr(io_lifetimes_use_std, feature(io_safety))]
+
+#[cfg(any(unix, windows))]
+use io_lifetimes::example_ffi::*;
+#[cfg(windows)]
+use io_lifetimes::{InvalidHandleError, OwnedHandle};
+#[cfg(windows)]
+use std::{convert::TryInto, os::windows::io::RawHandle, ptr::null_mut};
+#[cfg(windows)]
+use windows_sys::Win32::Storage::FileSystem::{
+    FILE_ATTRIBUTE_NORMAL, FILE_GENERIC_READ, OPEN_EXISTING,
+};
+
+#[cfg(all(rustc_attrs, unix))]
+#[test]
+fn test_file_not_found() {
+    assert!(unsafe {
+        open(
+            "/dev/no/such/file\0".as_ptr() as *const _,
+            O_RDONLY | O_CLOEXEC,
+        )
+    }
+    .is_none());
+}
+
+#[cfg(windows)]
+#[test]
+fn test_file_not_found() {
+    let handle: Result<OwnedHandle, InvalidHandleError> = unsafe {
+        CreateFileW(
+            [
+                'C' as u16, ':' as _, '/' as _, 'n' as _, 'o' as _, '/' as _, 's' as _, 'u' as _,
+                'c' as _, 'h' as _, '/' as _, 'f' as _, 'i' as _, 'l' as _, 'e' as _, 0,
+            ]
+            .as_ptr(),
+            FILE_GENERIC_READ,
+            0,
+            null_mut(),
+            OPEN_EXISTING,
+            FILE_ATTRIBUTE_NORMAL,
+            null_mut() as RawHandle as HANDLE,
+        )
+    }
+    .try_into();
+    assert!(handle.is_err());
+    assert_eq!(
+        std::io::Error::last_os_error().kind(),
+        std::io::ErrorKind::NotFound
+    );
+}
+
+#[cfg(all(rustc_attrs, unix))]
+#[test]
+fn test_file_found() {
+    assert!(unsafe { open("Cargo.toml\0".as_ptr() as *const _, O_RDONLY | O_CLOEXEC) }.is_some());
+}
+
+#[cfg(windows)]
+#[test]
+fn test_file_found() {
+    let handle: Result<OwnedHandle, InvalidHandleError> = unsafe {
+        CreateFileW(
+            [
+                'C' as u16, 'a' as _, 'r' as _, 'g' as _, 'o' as _, '.' as _, 't' as _, 'o' as _,
+                'm' as _, 'l' as _, 0,
+            ]
+            .as_ptr(),
+            FILE_GENERIC_READ,
+            0,
+            null_mut(),
+            OPEN_EXISTING,
+            FILE_ATTRIBUTE_NORMAL,
+            null_mut() as RawHandle as HANDLE,
+        )
+    }
+    .try_into();
+    assert!(handle.is_ok());
+}
diff --git a/vendor/io-lifetimes/tests/niche-optimizations.rs b/vendor/io-lifetimes/tests/niche-optimizations.rs
new file mode 100644
index 000000000..89316d559
--- /dev/null
+++ b/vendor/io-lifetimes/tests/niche-optimizations.rs
@@ -0,0 +1,71 @@
+#![cfg_attr(not(rustc_attrs), allow(unused_imports))]
+#![cfg_attr(target_os = "wasi", feature(wasi_ext))]
+#![cfg_attr(io_lifetimes_use_std, feature(io_safety))]
+
+use std::mem::size_of;
+
+#[cfg(any(unix, target_os = "wasi"))]
+use io_lifetimes::{BorrowedFd, OwnedFd};
+#[cfg(windows)]
+use io_lifetimes::{BorrowedSocket, OwnedSocket};
+
+#[cfg(unix)]
+use std::os::unix::io::{FromRawFd, IntoRawFd, RawFd};
+#[cfg(target_os = "wasi")]
+use std::os::wasi::io::{FromRawSocket, IntoRawSocket, RawFd};
+#[cfg(windows)]
+use std::os::windows::io::{FromRawSocket, IntoRawSocket, RawSocket};
+
+#[cfg(all(rustc_attrs, any(unix, target_os = "wasi")))]
+#[test]
+fn test_niche_optimizations() {
+    assert_eq!(size_of::<Option<OwnedFd>>(), size_of::<RawFd>());
+    assert_eq!(size_of::<Option<BorrowedFd<'static>>>(), size_of::<RawFd>());
+    unsafe {
+        assert_eq!(OwnedFd::from_raw_fd(RawFd::MIN).into_raw_fd(), RawFd::MIN);
+        assert_eq!(OwnedFd::from_raw_fd(RawFd::MAX).into_raw_fd(), RawFd::MAX);
+        assert_eq!(
+            Some(OwnedFd::from_raw_fd(RawFd::MIN))
+                .unwrap()
+                .into_raw_fd(),
+            RawFd::MIN
+        );
+        assert_eq!(
+            Some(OwnedFd::from_raw_fd(RawFd::MAX))
+                .unwrap()
+                .into_raw_fd(),
+            RawFd::MAX
+        );
+    }
+}
+
+#[cfg(all(rustc_attrs, windows))]
+#[test]
+fn test_niche_optimizations_socket() {
+    assert_eq!(size_of::<Option<OwnedSocket>>(), size_of::<RawSocket>());
+    assert_eq!(
+        size_of::<Option<BorrowedSocket<'static>>>(),
+        size_of::<RawSocket>(),
+    );
+    unsafe {
+        #[cfg(target_pointer_width = "32")]
+        let (min, max) = (i32::MIN as u32, i32::MAX as u32);
+        #[cfg(target_pointer_width = "64")]
+        let (min, max) = (i64::MIN as u64, i64::MAX as u64);
+
+        assert_eq!(OwnedSocket::from_raw_socket(min).into_raw_socket(), min);
+        assert_eq!(OwnedSocket::from_raw_socket(max).into_raw_socket(), max);
+        assert_eq!(
+            Some(OwnedSocket::from_raw_socket(min))
+                .unwrap()
+                .into_raw_socket(),
+            min
+        );
+        assert_eq!(
+            Some(OwnedSocket::from_raw_socket(max))
+                .unwrap()
+                .into_raw_socket(),
+            max
+        );
+    }
+}