| //! Checks that different NUL character representations are equivalent in strings and chars. |
| |
| //@ run-pass |
| |
| 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"); |
| } |
