rust/src/test/compile-fail/lint-uppercase-variables.rs

// Copyright 2012-2014 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.

// ignore-tidy-linelength

#![allow(dead_code)]
#![deny(non_snake_case)]
#![feature(path)]
#![feature(io)]

use std::old_io::File;
use std::old_io::IoError;

struct Something {
    X: usize //~ ERROR structure field `X` should have a snake case name such as `x`
}

fn test(Xx: usize) { //~ ERROR variable `Xx` should have a snake case name such as `xx`
    println!("{}", Xx);
}

fn main() {
    let Test: usize = 0; //~ ERROR variable `Test` should have a snake case name such as `test`
    println!("{}", Test);

    let mut f = File::open(&Path::new("something.txt"));
    let mut buff = [0u8; 16];
    match f.read(&mut buff) {
        Ok(cnt) => println!("read this many bytes: {}", cnt),
        Err(IoError{ kind: EndOfFile, .. }) => println!("Got end of file: {:?}", EndOfFile),
//~^ ERROR variable `EndOfFile` should have a snake case name such as `end_of_file`
//~^^ WARN `EndOfFile` is named the same as one of the variants of the type `std::old_io::IoErrorKind`
    }

    test(1);

    let _ = Something { X: 0 };
}