mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 14:12:44 +00:00
6402ad29a6
When compiling code like this:
x = { foo: x }
We don't want to put a new JS::Object in `x` until *after* we've
evaluated `x` for the `foo` field.
This fixes an issue when loading https://puter.com/ :^)
65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
test("basic functionality", () => {
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var a = [1, 2, 3];
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expect(typeof a).toBe("object");
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expect(a).toHaveLength(3);
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expect(a[0]).toBe(1);
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expect(a[1]).toBe(2);
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expect(a[2]).toBe(3);
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a[1] = 5;
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expect(a[1]).toBe(5);
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expect(a).toHaveLength(3);
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a.push(7);
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expect(a[3]).toBe(7);
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expect(a).toHaveLength(4);
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a = [,];
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expect(a).toHaveLength(1);
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expect(a.toString()).toBe("");
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expect(a[0]).toBeUndefined();
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a = [, , , ,];
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expect(a).toHaveLength(4);
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expect(a.toString()).toBe(",,,");
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expect(a[0]).toBeUndefined();
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expect(a[1]).toBeUndefined();
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expect(a[2]).toBeUndefined();
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expect(a[3]).toBeUndefined();
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a = [1, , 2, , , 3];
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expect(a).toHaveLength(6);
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expect(a.toString()).toBe("1,,2,,,3");
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expect(a[0]).toBe(1);
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expect(a[1]).toBeUndefined();
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expect(a[2]).toBe(2);
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expect(a[3]).toBeUndefined();
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expect(a[4]).toBeUndefined();
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expect(a[5]).toBe(3);
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a = [1, , 2, , , 3];
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Object.defineProperty(a, 1, {
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get() {
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return this.getterSetterValue;
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},
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set(value) {
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this.getterSetterValue = value;
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},
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});
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expect(a).toHaveLength(6);
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expect(a.toString()).toBe("1,,2,,,3");
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expect(a.getterSetterValue).toBeUndefined();
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a[1] = 20;
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expect(a).toHaveLength(6);
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expect(a.toString()).toBe("1,20,2,,,3");
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expect(a.getterSetterValue).toBe(20);
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});
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test("assigning array expression with destination referenced in array expression", () => {
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function go(i) {
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var i = [i];
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return i;
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}
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expect(go("foo")).toEqual(["foo"]);
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});
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