Justin Ridgewell a5bc48661b
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 <jlhwung@gmail.com>
2020-08-10 18:57:48 -04:00

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JavaScript

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