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

16 lines
262 B
JavaScript

var foo, bar;
expect(
() => [foo, bar] = undefined
).toThrow(/destructure non-iterable/);
expect(
() => [foo, bar] = {}
).toThrow(/destructure non-iterable/);
global.Symbol = void 0;
expect(
() => [foo, bar] = {}
).toThrow(/destructure non-iterable/);