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LibJS: Make Array.prototype.unshift generic

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davidot 2021-06-12 19:24:30 +02:00 • committed by Linus Groh
parent 7c1e2adf8a
commit d723c01af7
2 changed files with 65 additions and 5 deletions
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20
Userland/Libraries/LibJS/Tests/builtins/Array/Array.prototype-generic-functions.js
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@ -110,6 +110,26 @@ describe("ability to work with generic non-array objects", () => {
expect(o).toEqual({ length: 4, 0: "b", 2: "c" });
});
test("unshift", () => {
{
const o = { length: 5, 0: "a", 1: "b", 3: "c" };
const front = "z";
Array.prototype.unshift.call(o, front);
expect(o[0]).toEqual(front);
expect(o[1]).toEqual("a");
expect(o.length).toEqual(6);
}
{
const o = { length: 5, 0: "a", 1: "b", 3: "c" };
const front = "z";
Array.prototype.unshift.call(o, front, front);
expect(o[0]).toEqual(front);
expect(o[1]).toEqual(front);
expect(o[2]).toEqual("a");
expect(o.length).toEqual(7);
}
});
const o = { length: 5, 0: "foo", 1: "bar", 3: "baz" };
test("every", () => {