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LibJS: Fix small issues in Array.prototype.concat

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davidot 2021-06-19 14:58:11 +02:00 • committed by Linus Groh
parent 91de1135a5
commit 9d1fd403af
2 changed files with 12 additions and 2 deletions
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10
Userland/Libraries/LibJS/Tests/builtins/Array/Array.prototype.concat.js
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@ -40,4 +40,14 @@ describe("normal behavior", () => {
expect(concatenated[4]).toBe(1);
expect(concatenated[5]).toEqual([2, 3]);
});
test("Proxy is concatenated as array", () => {
var proxy = new Proxy([9, 8], {});
var concatenated = array.concat(proxy);
expect(array).toHaveLength(1);
expect(concatenated).toHaveLength(3);
expect(concatenated[0]).toBe("hello");
expect(concatenated[1]).toBe(9);
expect(concatenated[2]).toBe(8);
});
});