4 files changed, 258 insertions, 0 deletions
diff --git a/tests/ui-fulldeps/std/issue-15149.rs b/tests/ui-fulldeps/std/issue-15149.rs
new file mode 100644
index 000000000..064472f57
--- /dev/null
+++ b/tests/ui-fulldeps/std/issue-15149.rs
@@ -0,0 +1,57 @@
+// run-pass
+
+#![allow(unused_variables)]
+// no-prefer-dynamic
+// ignore-cross-compile
+
+use std::env;
+use std::ffi::OsStr;
+use std::fs;
+use std::path::PathBuf;
+use std::process;
+use std::str;
+
+fn main() {
+    // If we're the child, make sure we were invoked correctly
+    let args: Vec<String> = env::args().collect();
+    if args.len() > 1 && args[1] == "child" {
+        // FIXME: This should check the whole `args[0]` instead of just
+        // checking that it ends_with the executable name. This
+        // is needed because of Windows, which has a different behavior.
+        // See #15149 for more info.
+        let my_path = env::current_exe().unwrap();
+        return assert_eq!(my_path.file_stem(), Some(OsStr::new("mytest")));
+    }
+
+    test();
+}
+
+fn test() {
+    // If we're the parent, copy our own binary to a new directory.
+    let my_path = env::current_exe().unwrap();
+    let my_dir = my_path.parent().unwrap();
+
+    let child_dir = PathBuf::from(env::var_os("RUST_TEST_TMPDIR").unwrap());
+    let child_dir = child_dir.join("issue-15140-child");
+    fs::create_dir_all(&child_dir).unwrap();
+
+    let child_path = child_dir.join(&format!("mytest{}", env::consts::EXE_SUFFIX));
+    fs::copy(&my_path, &child_path).unwrap();
+
+    // Append the new directory to our own PATH.
+    let path = {
+        let mut paths: Vec<_> = env::split_paths(&env::var_os("PATH").unwrap()).collect();
+        paths.push(child_dir.to_path_buf());
+        env::join_paths(paths).unwrap()
+    };
+
+    let child_output =
+        process::Command::new("mytest").env("PATH", &path).arg("child").output().unwrap();
+
+    assert!(
+        child_output.status.success(),
+        "child assertion failed\n child stdout:\n {}\n child stderr:\n {}",
+        str::from_utf8(&child_output.stdout).unwrap(),
+        str::from_utf8(&child_output.stderr).unwrap()
+    );
+}
diff --git a/tests/ui-fulldeps/std/issue-81357-unsound-file-methods.rs b/tests/ui-fulldeps/std/issue-81357-unsound-file-methods.rs
new file mode 100644
index 000000000..fdf1150f8
--- /dev/null
+++ b/tests/ui-fulldeps/std/issue-81357-unsound-file-methods.rs
@@ -0,0 +1,81 @@
+// run-fail
+// only-windows
+
+fn main() {
+    use std::fs;
+    use std::io::prelude::*;
+    use std::os::windows::prelude::*;
+    use std::ptr;
+    use std::sync::Arc;
+    use std::thread;
+    use std::time::Duration;
+
+    const FILE_FLAG_OVERLAPPED: u32 = 0x40000000;
+
+    fn create_pipe_server(path: &str) -> fs::File {
+        let mut path0 = path.as_bytes().to_owned();
+        path0.push(0);
+        extern "system" {
+            fn CreateNamedPipeA(
+                lpName: *const u8,
+                dwOpenMode: u32,
+                dwPipeMode: u32,
+                nMaxInstances: u32,
+                nOutBufferSize: u32,
+                nInBufferSize: u32,
+                nDefaultTimeOut: u32,
+                lpSecurityAttributes: *mut u8,
+            ) -> RawHandle;
+        }
+
+        unsafe {
+            let h = CreateNamedPipeA(path0.as_ptr(), 3, 0, 1, 0, 0, 0, ptr::null_mut());
+            assert_ne!(h as isize, -1);
+            fs::File::from_raw_handle(h)
+        }
+    }
+
+    let path = "\\\\.\\pipe\\repro";
+    let mut server = create_pipe_server(path);
+
+    let client = Arc::new(
+        fs::OpenOptions::new().custom_flags(FILE_FLAG_OVERLAPPED).read(true).open(path).unwrap(),
+    );
+
+    let spawn_read = |is_first: bool| {
+        thread::spawn({
+            let f = client.clone();
+            move || {
+                let mut buf = [0xcc; 1];
+                let mut f = f.as_ref();
+                f.read(&mut buf).unwrap();
+                if is_first {
+                    assert_ne!(buf[0], 0xcc);
+                } else {
+                    let b = buf[0]; // capture buf[0]
+                    thread::sleep(Duration::from_millis(200));
+
+                    // Check the buffer hasn't been written to after read.
+                    dbg!(buf[0], b);
+                    assert_eq!(buf[0], b);
+                }
+            }
+        })
+    };
+
+    let t1 = spawn_read(true);
+    thread::sleep(Duration::from_millis(20));
+    let t2 = spawn_read(false);
+    thread::sleep(Duration::from_millis(100));
+    let _ = server.write(b"x");
+    thread::sleep(Duration::from_millis(100));
+    let _ = server.write(b"y");
+
+    // This is run fail because we need to test for the `abort`.
+    // That failing to run is the success case.
+    if t1.join().is_err() || t2.join().is_err() {
+        return;
+    } else {
+        panic!("success");
+    }
+}
diff --git a/tests/ui-fulldeps/std/stdio-from.rs b/tests/ui-fulldeps/std/stdio-from.rs
new file mode 100644
index 000000000..fef9f27fc
--- /dev/null
+++ b/tests/ui-fulldeps/std/stdio-from.rs
@@ -0,0 +1,69 @@
+// run-pass
+// ignore-cross-compile
+
+use std::env;
+use std::fs::File;
+use std::io;
+use std::io::{Read, Write};
+use std::process::{Command, Stdio};
+use std::path::PathBuf;
+
+fn main() {
+    if env::args().len() > 1 {
+        child().unwrap()
+    } else {
+        parent().unwrap()
+    }
+}
+
+fn parent() -> io::Result<()> {
+    let td = PathBuf::from(env::var_os("RUST_TEST_TMPDIR").unwrap());
+    let input = td.join("stdio-from-input");
+    let output = td.join("stdio-from-output");
+
+    File::create(&input)?.write_all(b"foo\n")?;
+
+    // Set up this chain:
+    //     $ me <file | me | me >file
+    // ... to duplicate each line 8 times total.
+
+    let mut child1 = Command::new(env::current_exe()?)
+        .arg("first")
+        .stdin(File::open(&input)?) // tests File::into()
+        .stdout(Stdio::piped())
+        .spawn()?;
+
+    let mut child3 = Command::new(env::current_exe()?)
+        .arg("third")
+        .stdin(Stdio::piped())
+        .stdout(File::create(&output)?) // tests File::into()
+        .spawn()?;
+
+    // Started out of order so we can test both `ChildStdin` and `ChildStdout`.
+    let mut child2 = Command::new(env::current_exe()?)
+        .arg("second")
+        .stdin(child1.stdout.take().unwrap()) // tests ChildStdout::into()
+        .stdout(child3.stdin.take().unwrap()) // tests ChildStdin::into()
+        .spawn()?;
+
+    assert!(child1.wait()?.success());
+    assert!(child2.wait()?.success());
+    assert!(child3.wait()?.success());
+
+    let mut data = String::new();
+    File::open(&output)?.read_to_string(&mut data)?;
+    for line in data.lines() {
+        assert_eq!(line, "foo");
+    }
+    assert_eq!(data.lines().count(), 8);
+    Ok(())
+}
+
+fn child() -> io::Result<()> {
+    // double everything
+    let mut input = vec![];
+    io::stdin().read_to_end(&mut input)?;
+    io::stdout().write_all(&input)?;
+    io::stdout().write_all(&input)?;
+    Ok(())
+}
diff --git a/tests/ui-fulldeps/std/switch-stdout.rs b/tests/ui-fulldeps/std/switch-stdout.rs
new file mode 100644
index 000000000..e9501a809
--- /dev/null
+++ b/tests/ui-fulldeps/std/switch-stdout.rs
@@ -0,0 +1,51 @@
+// run-pass
+
+use std::env;
+use std::fs::File;
+use std::io::{Read, Write};
+use std::path::PathBuf;
+
+#[cfg(unix)]
+fn switch_stdout_to(file: File) {
+    use std::os::unix::prelude::*;
+
+    extern "C" {
+        fn dup2(old: i32, new: i32) -> i32;
+    }
+
+    unsafe {
+        assert_eq!(dup2(file.as_raw_fd(), 1), 1);
+    }
+}
+
+#[cfg(windows)]
+fn switch_stdout_to(file: File) {
+    use std::os::windows::prelude::*;
+
+    extern "system" {
+        fn SetStdHandle(nStdHandle: u32, handle: *mut u8) -> i32;
+    }
+
+    const STD_OUTPUT_HANDLE: u32 = (-11i32) as u32;
+
+    unsafe {
+        let rc = SetStdHandle(STD_OUTPUT_HANDLE, file.into_raw_handle() as *mut _);
+        assert!(rc != 0);
+    }
+}
+
+fn main() {
+    let path = PathBuf::from(env::var_os("RUST_TEST_TMPDIR").unwrap());
+    let path = path.join("switch-stdout-output");
+    let f = File::create(&path).unwrap();
+
+    println!("foo");
+    std::io::stdout().flush().unwrap();
+    switch_stdout_to(f);
+    println!("bar");
+    std::io::stdout().flush().unwrap();
+
+    let mut contents = String::new();
+    File::open(&path).unwrap().read_to_string(&mut contents).unwrap();
+    assert_eq!(contents, "bar\n");
+}