diff options
Diffstat (limited to 'tests/ui/std/switch-stdout.rs')
-rw-r--r-- | tests/ui/std/switch-stdout.rs | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/tests/ui/std/switch-stdout.rs b/tests/ui/std/switch-stdout.rs deleted file mode 100644 index 2d936d96b..000000000 --- a/tests/ui/std/switch-stdout.rs +++ /dev/null @@ -1,52 +0,0 @@ -// run-pass -// ignore-wasm (needs file descriptors and env variables) - -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"); -} |