diff options
Diffstat (limited to 'tests/ui/process/issue-13304.rs')
-rw-r--r-- | tests/ui/process/issue-13304.rs | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/ui/process/issue-13304.rs b/tests/ui/process/issue-13304.rs new file mode 100644 index 000000000..b10f6d572 --- /dev/null +++ b/tests/ui/process/issue-13304.rs @@ -0,0 +1,39 @@ +// run-pass +#![allow(unused_mut)] +// ignore-emscripten no processes +// ignore-sgx no processes + +use std::env; +use std::io::prelude::*; +use std::io; +use std::process::{Command, Stdio}; +use std::str; + +fn main() { + let args: Vec<String> = env::args().collect(); + if args.len() > 1 && args[1] == "child" { + child(); + } else { + parent(); + } +} + +fn parent() { + let args: Vec<String> = env::args().collect(); + let mut p = Command::new(&args[0]).arg("child") + .stdout(Stdio::piped()) + .stdin(Stdio::piped()) + .spawn().unwrap(); + p.stdin.as_mut().unwrap().write_all(b"test1\ntest2\ntest3").unwrap(); + let out = p.wait_with_output().unwrap(); + assert!(out.status.success()); + let s = str::from_utf8(&out.stdout).unwrap(); + assert_eq!(s, "test1\ntest2\ntest3\n"); +} + +fn child() { + let mut stdin = io::stdin(); + for line in stdin.lock().lines() { + println!("{}", line.unwrap()); + } +} |