32 lines
845 B
Rust
32 lines
845 B
Rust
// run-pass
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// ignore-emscripten no threads support
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#![feature(box_syntax, set_stdio)]
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use std::io::prelude::*;
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use std::io;
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use std::str;
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use std::sync::{Arc, Mutex};
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use std::thread;
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struct Sink(Arc<Mutex<Vec<u8>>>);
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impl Write for Sink {
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fn write(&mut self, data: &[u8]) -> io::Result<usize> {
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Write::write(&mut *self.0.lock().unwrap(), data)
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}
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fn flush(&mut self) -> io::Result<()> { Ok(()) }
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}
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fn main() {
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let data = Arc::new(Mutex::new(Vec::new()));
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let sink = Sink(data.clone());
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let res = thread::Builder::new().spawn(move|| -> () {
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io::set_panic(Some(Box::new(sink)));
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panic!("Hello, world!")
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}).unwrap().join();
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assert!(res.is_err());
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let output = data.lock().unwrap();
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let output = str::from_utf8(&output).unwrap();
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assert!(output.contains("Hello, world!"));
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}
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