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use crate::utils::is_char_kana::*;
/// Test if all chars of `input` are [Kana](https://en.wikipedia.org/wiki/Kana) ([Katakana](https://en.wikipedia.org/wiki/Katakana) and/or [Hiragana](https://en.wikipedia.org/wiki/Hiragana))
pub fn is_kana(input: &str) -> bool {
if input.is_empty() {
return false;
}
input.chars().all(is_char_kana)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn sane_defaults() {
assert!(!is_kana(""));
}
#[test]
fn あ_is_kana() {
assert!(is_kana("あ"));
}
#[test]
fn ア_is_kana() {
assert!(is_kana("ア"));
}
#[test]
fn あア_is_kana() {
assert!(is_kana("あア"));
}
#[test]
fn a_is_not_kana() {
assert!(!is_kana("A"));
}
#[test]
fn あaア_is_not_kana() {
assert!(!is_kana("あAア"));
}
#[test]
fn ignores_long_dash_in_mixed_kana() {
assert!(is_kana("アーあ"));
}
}