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LibJS: Use special case folding for String.prototype.to{Lower,Upper}Case

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Note we still have one String.prototype.toLowerCase test262 failure due
to not yet parsing WordBreakProperty.txt.
This commit is contained in:
Timothy Flynn 2021-07-27 14:02:47 -04:00 • committed by Linus Groh
parent 39f971e42b
commit 2dc9ae00af
3 changed files with 40 additions and 18 deletions
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15
Userland/Libraries/LibJS/Tests/builtins/String/String.prototype.toLowerCase.js
View file

@ -11,3 +11,18 @@ test("basic functionality", () => {
expect(("b" + "a" + +"a" + "a").toLowerCase()).toBe("banana");
});
test("special case folding", () => {
expect("\u00DF".toLowerCase()).toBe("\u00DF");
expect("\u0130".toLowerCase()).toBe("\u0069\u0307");
expect("\uFB00".toLowerCase()).toBe("\uFB00");
expect("\uFB01".toLowerCase()).toBe("\uFB01");
expect("\uFB02".toLowerCase()).toBe("\uFB02");
expect("\uFB03".toLowerCase()).toBe("\uFB03");
expect("\uFB04".toLowerCase()).toBe("\uFB04");
expect("\uFB05".toLowerCase()).toBe("\uFB05");
expect("\uFB06".toLowerCase()).toBe("\uFB06");
expect("\u1FB7".toLowerCase()).toBe("\u1FB7");
expect("\u1FC7".toLowerCase()).toBe("\u1FC7");
expect("\u1FF7".toLowerCase()).toBe("\u1FF7");
});

17
Userland/Libraries/LibJS/Tests/builtins/String/String.prototype.toUpperCase.js
View file

@ -11,3 +11,20 @@ test("basic functionality", () => {
expect(("b" + "a" + +"n" + "a").toUpperCase()).toBe("BANANA");
});
test("special case folding", () => {
expect("\u00DF".toUpperCase()).toBe("\u0053\u0053");
expect("\u0130".toUpperCase()).toBe("\u0130");
expect("\uFB00".toUpperCase()).toBe("\u0046\u0046");
expect("\uFB01".toUpperCase()).toBe("\u0046\u0049");
expect("\uFB02".toUpperCase()).toBe("\u0046\u004C");
expect("\uFB03".toUpperCase()).toBe("\u0046\u0046\u0049");
expect("\uFB04".toUpperCase()).toBe("\u0046\u0046\u004C");
expect("\uFB05".toUpperCase()).toBe("\u0053\u0054");
expect("\uFB06".toUpperCase()).toBe("\u0053\u0054");
expect("\u0390".toUpperCase()).toBe("\u0399\u0308\u0301");
expect("\u03B0".toUpperCase()).toBe("\u03A5\u0308\u0301");
expect("\u1FB7".toUpperCase()).toBe("\u0391\u0342\u0399");
expect("\u1FC7".toUpperCase()).toBe("\u0397\u0342\u0399");
expect("\u1FF7".toUpperCase()).toBe("\u03A9\u0342\u0399");
});