Add test for prev word

imgbot
Ivan Tham 3 years ago committed by Blaž Hrastnik
parent 40744ce835
commit df80f3c966

@ -31,3 +31,35 @@ pub fn nth_prev_word_boundary(slice: RopeSlice, mut char_idx: usize, count: usiz
char_idx + 1 char_idx + 1
} }
} }
#[test]
fn different_prev_word_boundary() {
use ropey::Rope;
let t = |x, y| {
let text = Rope::from(x);
let out = nth_prev_word_boundary(text.slice(..), text.len_chars() - 1, 1);
assert_eq!(text.slice(..out), y, r#"from "{}""#, x);
};
t("abcd\nefg\nwrs", "abcd\nefg\n");
t("abcd\nefg\n", "abcd\n");
t("abcd\n", "");
t("hello, world!", "hello, world");
t("hello, world", "hello, ");
t("hello, ", "hello");
t("hello", "");
t("こんにちは、世界!", "こんにちは、世界!"); // TODO: punctuation
t("こんにちは、世界", "こんにちは、");
t("こんにちは、", "こんにちは、"); // what?
t("こんにちは", "");
t("この世界。", "この世界。"); // what?
t("この世界", "");
t("お前はもう死んでいる", "");
t("その300円です", ""); // TODO: should stop at 300
t("唱k", ""); // TODO: should stop at 唱
t("1 + 1 = 2", "1 + 1 = ");
t("1 + 1 =", "1 + 1 ");
t("1 + 1", "1 + ");
t("1 + ", "1 ");
t("1 ", "");
t("1+1=2", "1+1=");
}

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