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cc14b5a6d7
We now lazily create an "arguments" array inside functions when code tries to access it. This doesn't follow the spec at all but still covers a lot of the basic uses of arguments, i.e "arguments.length" and "arguments[n]"
16 lines
383 B
JavaScript
16 lines
383 B
JavaScript
test("basic arguments object", () => {
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function foo() {
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return arguments.length;
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}
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expect(foo()).toBe(0);
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expect(foo(1)).toBe(1);
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expect(foo(1, 2)).toBe(2);
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expect(foo(1, 2, 3)).toBe(3);
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function bar() {
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return arguments[1];
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}
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expect(bar("hello", "friends", ":^)")).toBe("friends");
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expect(bar("hello")).toBe(undefined);
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});
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