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use crate::utils::is_char_kanji::*;
/// Test if all chars of `input` are [Kanji](https://en.wikipedia.org/wiki/Kanji) ([Japanese CJK ideographs](https://en.wikipedia.org/wiki/CJK_Unified_Ideographs))
#[inline]
pub fn is_kanji(input: &str) -> bool {
if input.is_empty() {
return false;
}
input.chars().all(is_char_kanji)
}
/// Test if any chars of `input` are [Kanji](https://en.wikipedia.org/wiki/Kanji) ([Japanese CJK ideographs](https://en.wikipedia.org/wiki/CJK_Unified_Ideographs))
#[inline]
pub fn contains_kanji(input: &str) -> bool {
if input.is_empty() {
return false;
}
input.chars().any(is_char_kanji)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn sane_defaults() {
assert!(!is_kanji(""));
assert!(!contains_kanji(""));
}
#[test]
fn 勢い_contains_kanji() {
assert!(contains_kanji("勢い"));
}
#[test]
fn hello_contains_not_kanji() {
assert!(!contains_kanji("hello"));
}
#[test]
fn 切腹_is_kanji() {
assert!(is_kanji("切腹"));
}
#[test]
fn 刀_is_kanji() {
assert!(is_kanji("刀"));
}
#[test]
fn emoji_are_not_kanji() {
assert!(!is_kanji("🐸"));
}
#[test]
fn あ_is_not_kanji() {
assert!(!is_kanji("あ"));
}
#[test]
fn ア_is_not_kanji() {
assert!(!is_kanji("ア"));
}
#[test]
fn あア_is_not_kanji() {
assert!(!is_kanji("あア"));
}
#[test]
fn a_is_not_kanji() {
assert!(!is_kanji("A"));
}
#[test]
fn あaア_is_not_kanji() {
assert!(!is_kanji("あAア"));
}
#[test]
fn number_with_kanj_is_not_kanji1() {
assert!(!is_kanji("１２隻"));
}
#[test]
fn number_with_kanj_is_not_kanji2() {
assert!(!is_kanji("12隻"));
}
#[test]
fn kanji_with_dot_is_not_kanji() {
assert!(!is_kanji("隻。"));
}
}