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24 lines
548 B
JavaScript
24 lines
548 B
JavaScript
// @@unscopables continues to work after exiting the relevant `with` block,
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// if the environment is captured by a closure.
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let env = {
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x: 9000,
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[Symbol.unscopables]: {x: true}
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};
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function make_adder(x) {
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with (env)
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return function (y) { return x + y; };
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}
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assertEq(make_adder(3)(10), 13);
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// Same test, but with a bunch of different parts for bad luck
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let x = 500;
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function make_adder_with_eval() {
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with (env)
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return eval('y => eval("x + y")');
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}
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assertEq(make_adder_with_eval()(10), 510);
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reportCompare(0, 0);
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