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LibJS: Implement String.prototype.replaceAll with UTF-16 code units

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Timothy Flynn 2021-07-19 17:02:44 -04:00 • committed by Andreas Kling
parent 06208aaa15
commit 733a92820b
2 changed files with 33 additions and 12 deletions
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12
Userland/Libraries/LibJS/Tests/builtins/String/String.prototype.replaceAll.js
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@ -143,3 +143,15 @@ test("search value is coerced to a string", () => {
expect(newString).toBe("abc");
expect(coerced).toBe("x");
});
test("UTF-16", () => {
expect("😀".replaceAll("😀", "")).toBe("");
expect("😀".replaceAll("\ud83d", "")).toBe("\ude00");
expect("😀".replaceAll("\ude00", "")).toBe("\ud83d");
expect("😀😀😀".replaceAll("\ud83d", "")).toBe("\ude00\ude00\ude00");
expect("😀😀😀".replaceAll("\ude00", "")).toBe("\ud83d\ud83d\ud83d");
// FIXME: RegExp.prototype [ @@replace ] also needs to support UTF-16.
// expect("😀".replaceAll(/\ud83d/g, "")).toBe("\ude00");
// expect("😀".replaceAll(/\ude00/g, "")).toBe("\ud83d");
});