rust/src/test/compile-fail/derived-errors/issue-31997-1.rs
hank-der-hafenarbeiter b5ead0060c updated unit test
2016-08-09 14:02:25 +02:00

68 lines
2.0 KiB
Rust

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// Regression test for this example from #31997 -- main goal is to
// emit as minimal and precise an error set as possible. Ideally, we'd
// only emit the E0433 error below, but right now we emit two.
use std::io::prelude::*;
// use std::collections::HashMap;
use std::io;
#[derive(Debug)]
struct Instance {
name: String,
start: Option<String>,
end: Option<String>,
}
fn main() {
let input = io::stdin();
let mut input = input.lock();
let mut map = HashMap::new();
//~^ ERROR E0433
//~| NOTE Use of undeclared type or module `HashMap`
for line in input.lines() {
let line = line.unwrap();
println!("process: {}", line);
let mut parts = line.splitn(2, ":");
let _logfile = parts.next().unwrap();
let rest = parts.next().unwrap();
let mut parts = line.split(" [-] ");
let stamp = parts.next().unwrap();
let rest = parts.next().unwrap();
let words = rest.split_whitespace().collect::<Vec<_>>();
let instance = words.iter().find(|a| a.starts_with("i-")).unwrap();
let name = words[1].to_owned();
let mut entry = map.entry(instance.to_owned()).or_insert(Instance {
name: name,
start: None,
end: None,
});
if rest.contains("terminating") {
assert!(entry.end.is_none());
entry.end = Some(stamp.to_string());
}
if rest.contains("waiting for") {
assert!(entry.start.is_none());
entry.start = Some(stamp.to_string());
}
}
println!("{:?}", map);
}