/src/test/run-pass/utf8_chars.rs
http://github.com/jruderman/rust · Rust · 31 lines · 26 code · 4 blank · 1 comment · 12 complexity · 6a628a9850f5bdd6e44f4d6e5bc2502d MD5 · raw file
- use std;
- import str;
- import vec;
- fn main() {
- // Chars of 1, 2, 3, and 4 bytes
- let chs: ~[char] = ~['e', 'é', '€', 0x10000 as char];
- let s: ~str = str::from_chars(chs);
- assert (str::len(s) == 10u);
- assert (str::char_len(s) == 4u);
- assert (vec::len(str::chars(s)) == 4u);
- assert (str::from_chars(str::chars(s)) == s);
- assert (str::char_at(s, 0u) == 'e');
- assert (str::char_at(s, 1u) == 'é');
- assert (str::is_utf8(str::bytes(s)));
- assert (!str::is_utf8(~[0x80_u8]));
- assert (!str::is_utf8(~[0xc0_u8]));
- assert (!str::is_utf8(~[0xc0_u8, 0x10_u8]));
- let mut stack = ~"a×c€";
- assert (str::pop_char(stack) == '€');
- assert (str::pop_char(stack) == 'c');
- str::push_char(stack, 'u');
- assert (stack == ~"a×u");
- assert (str::shift_char(stack) == 'a');
- assert (str::shift_char(stack) == '×');
- str::unshift_char(stack, 'ß');
- assert (stack == ~"ßu");
- }