1 files changed, 37 insertions, 0 deletions
diff --git a/tests/ui/process/issue-14456.rs b/tests/ui/process/issue-14456.rs
new file mode 100644
index 00000000000..52a56eb77f7
--- /dev/null
+++ b/tests/ui/process/issue-14456.rs
@@ -0,0 +1,37 @@
+// 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};
+
+fn main() {
+    let args: Vec<String> = env::args().collect();
+    if args.len() > 1 && args[1] == "child" {
+        return child()
+    }
+
+    test();
+}
+
+fn child() {
+    writeln!(&mut io::stdout(), "foo").unwrap();
+    writeln!(&mut io::stderr(), "bar").unwrap();
+    let mut stdin = io::stdin();
+    let mut s = String::new();
+    stdin.lock().read_line(&mut s).unwrap();
+    assert_eq!(s.len(), 0);
+}
+
+fn test() {
+    let args: Vec<String> = env::args().collect();
+    let mut p = Command::new(&args[0]).arg("child")
+                                     .stdin(Stdio::piped())
+                                     .stdout(Stdio::piped())
+                                     .stderr(Stdio::piped())
+                                     .spawn().unwrap();
+    assert!(p.wait().unwrap().success());
+}