30 lines
959 B
Rust
30 lines
959 B
Rust
extern mod std;
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fn main() {
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// Chars of 1, 2, 3, and 4 bytes
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let chs: ~[char] = ~['e', 'é', '€', 0x10000 as char];
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let s: ~str = str::from_chars(chs);
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assert (str::len(s) == 10u);
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assert (str::char_len(s) == 4u);
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assert (vec::len(str::chars(s)) == 4u);
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assert (str::from_chars(str::chars(s)) == s);
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assert (str::char_at(s, 0u) == 'e');
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assert (str::char_at(s, 1u) == 'é');
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assert (str::is_utf8(str::to_bytes(s)));
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assert (!str::is_utf8(~[0x80_u8]));
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assert (!str::is_utf8(~[0xc0_u8]));
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assert (!str::is_utf8(~[0xc0_u8, 0x10_u8]));
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let mut stack = ~"a×c€";
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assert (str::pop_char(&mut stack) == '€');
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assert (str::pop_char(&mut stack) == 'c');
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str::push_char(&mut stack, 'u');
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assert (stack == ~"a×u");
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assert (str::shift_char(&mut stack) == 'a');
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assert (str::shift_char(&mut stack) == '×');
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str::unshift_char(&mut stack, 'ß');
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assert (stack == ~"ßu");
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}
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