//@ run-fail //@ error-pattern:Ensure that the child thread runs by panicking //@ needs-threads use std::thread; fn main() { // the purpose of this test is to make sure that thread::spawn() // works when provided with a bare function: let r = thread::spawn(startfn).join(); if r.is_err() { panic!() } } fn startfn() { assert!("Ensure that the child thread runs by panicking".is_empty()); }