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Everywhere: Hoist the Libraries folder to the top-level
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committed by
Andreas Kling
parent
950e819ee7
commit
93712b24bf
53
Libraries/LibJS/Tests/object-expression-numeric-property.js
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53
Libraries/LibJS/Tests/object-expression-numeric-property.js
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@@ -0,0 +1,53 @@
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test("numeric properties", () => {
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const i32Max = 2 ** 31 - 1;
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const u32Max = 2 ** 32 - 1;
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const o = {
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[-1]: "foo",
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0: "foo",
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1: "foo",
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[i32Max - 1]: "foo",
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[i32Max]: "foo",
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[i32Max + 1]: "foo",
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[u32Max - 1]: "foo",
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[u32Max]: "foo",
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[u32Max + 1]: "foo",
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};
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// Numeric properties come first in Object.getOwnPropertyNames()'s output,
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// which means we can test what each is treated as internally.
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expect(Object.getOwnPropertyNames(o)).toEqual([
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// Numeric properties
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"0",
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"1",
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"2147483646",
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"2147483647",
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"2147483648",
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"4294967294",
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// Non-numeric properties
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"-1",
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"4294967295", // >= 2^32 - 1
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"4294967296", // >= 2^32 - 1
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]);
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});
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test("big int properties", () => {
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const o = {
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[-1n]: "foo",
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0n: "foo",
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1n: "foo",
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[12345678901n]: "foo",
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[4294967294n]: "foo",
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[4294967295n]: "foo",
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};
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// Numeric properties come first in Object.getOwnPropertyNames()'s output,
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// which means we can test what each is treated as internally.
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expect(Object.getOwnPropertyNames(o)).toEqual([
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// Numeric properties
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"0",
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"1",
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"4294967294",
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// Non-numeric properties
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"-1",
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"12345678901", // >= 2^32 - 1
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"4294967295", // >= 2^32 - 1
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]);
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});
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