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LibJS: Report string length as the code point length, not byte length

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For example, U+180E is 3 bytes, but should have a string length of 1.
This commit is contained in:
Timothy Flynn 2021-07-16 13:04:46 -04:00 • committed by Linus Groh
commit a2e734d202
Notes: sideshowbarker 2024-07-18 08:51:51 +09:00
2 changed files with 9 additions and 1 deletions
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7
Userland/Libraries/LibJS/Tests/builtins/String/String.js
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@ -7,3 +7,10 @@ test("typeof", () => {
expect(typeof String()).toBe("string");
expect(typeof new String()).toBe("object");
});
test("length", () => {
expect(new String().length).toBe(0);
expect(new String("a").length).toBe(1);
expect(new String("\u180E").length).toBe(1);
expect(new String("\uDBFF\uDFFF").length).toBe(2);
});