| // 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. |
| |
| |
| pub fn main() |
| { |
| let all_nuls1 = "\0\x00\u{0}\u{0}"; |
| let all_nuls2 = "\u{0}\u{0}\x00\0"; |
| let all_nuls3 = "\u{0}\u{0}\x00\0"; |
| let all_nuls4 = "\x00\u{0}\0\u{0}"; |
| |
| // sizes for two should suffice |
| assert_eq!(all_nuls1.len(), 4); |
| assert_eq!(all_nuls2.len(), 4); |
| |
| // string equality should pass between the strings |
| assert_eq!(all_nuls1, all_nuls2); |
| assert_eq!(all_nuls2, all_nuls3); |
| assert_eq!(all_nuls3, all_nuls4); |
| |
| // all extracted characters in all_nuls are equivalent to each other |
| for c1 in all_nuls1.chars() |
| { |
| for c2 in all_nuls1.chars() |
| { |
| assert_eq!(c1,c2); |
| } |
| } |
| |
| // testing equality between explicit character literals |
| assert_eq!('\0', '\x00'); |
| assert_eq!('\u{0}', '\x00'); |
| assert_eq!('\u{0}', '\u{0}'); |
| |
| // NUL characters should make a difference |
| assert!("Hello World" != "Hello \0World"); |
| assert!("Hello World" != "Hello World\0"); |
| } |