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3d05e981fc Isolated exec tests (#11531)
* Run exec tests in fresh contexts

* Reevaluate modules in every context

* Cache module code when running tests

* Eliminate weakmap accesses as much as possible

* Remove old multiline usage

* Using bundled polyfill to significantly increase performance

The individual requires for each file were the part that was sooooo slow.

* Drop LRU cache size

* Fixes

* Fix test

Co-authored-by: Huáng Jùnliàng <[email protected]>
2020-08-10 18:57:48 -04:00

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JavaScript

var a = (() => [1, 2, 3])();
// Simulate old environment
global.Symbol = void 0;
var [first, ...rest] = a;
expect(first).toBe(1);
expect(rest).toEqual([2, 3]);