mirror of https://github.com/rust-lang/rust
33 lines
844 B
Rust
33 lines
844 B
Rust
//@ run-pass
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//@ ignore-wasm32 spawning processes is not supported
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//@ ignore-sgx no processes
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use std::{env, process};
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fn child() {
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print!("[stdout 0]");
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print!("[stdout {}]", 1);
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println!("[stdout {}]", 2);
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println!();
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eprint!("[stderr 0]");
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eprint!("[stderr {}]", 1);
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eprintln!("[stderr {}]", 2);
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eprintln!();
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}
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fn parent() {
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let this = env::args().next().unwrap();
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let output = process::Command::new(this).arg("-").output().unwrap();
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assert!(output.status.success());
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let stdout = String::from_utf8(output.stdout).unwrap();
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let stderr = String::from_utf8(output.stderr).unwrap();
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assert_eq!(stdout, "[stdout 0][stdout 1][stdout 2]\n\n");
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assert_eq!(stderr, "[stderr 0][stderr 1][stderr 2]\n\n");
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}
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fn main() {
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if env::args().count() == 2 { child() } else { parent() }
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}
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