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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432 B
JavaScript

// Pretend that `Reflect.construct` isn't supported.
global.Reflect = undefined;
global.HTMLElement = function() {
// Here, `this.HTMLElement` is this function, not the original HTMLElement
// constructor. `this.constructor` should be this function too, but isn't.
constructor = this.constructor;
};
var constructor;
class CustomElement extends HTMLElement {}
new CustomElement();
expect(constructor).toBe(CustomElement);