rust/src/test/run-pass/issue-3556.rs
Tamir Duberstein 10f15e72e6 Negative case of len() -> is_empty()
`s/([^\(\s]+\.)len\(\) [(?:!=)>] 0/!$1is_empty()/g`
2015-04-14 20:26:03 -07:00

49 lines
1.6 KiB
Rust

// Copyright 2013 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.
#[derive(Debug)]
enum Token {
Text(String),
ETag(Vec<String>, String),
UTag(Vec<String>, String),
Section(Vec<String>, bool, Vec<Token>, String,
String, String, String, String),
IncompleteSection(Vec<String>, bool, String, bool),
Partial(String, String, String),
}
fn check_strs(actual: &str, expected: &str) -> bool
{
if actual != expected
{
println!("Found {}, but expected {}", actual, expected);
return false;
}
return true;
}
pub fn main()
{
// assert!(check_strs(fmt!("%?", Text(@"foo".to_string())), "Text(@~\"foo\")"));
// assert!(check_strs(fmt!("%?", ETag(@~["foo".to_string()], @"bar".to_string())),
// "ETag(@~[ ~\"foo\" ], @~\"bar\")"));
let t = Token::Text("foo".to_string());
let u = Token::Section(vec!["alpha".to_string()],
true,
vec![t],
"foo".to_string(),
"foo".to_string(), "foo".to_string(), "foo".to_string(),
"foo".to_string());
let v = format!("{:?}", u); // this is the line that causes the seg fault
assert!(!v.is_empty());
}