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add test for sleep

This commit is contained in:
lana-k
2021-08-29 21:29:36 +02:00
parent da8dc71f23
commit 1ed5bf2fae

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@@ -27,4 +27,14 @@ describe('time.js', () => {
expect(time.getPeriod(start, end)).to.equal('0.045s') expect(time.getPeriod(start, end)).to.equal('0.045s')
}) })
it('sleep resolves after n ms', async () => {
let before = performance.now()
await time.sleep(10)
expect(performance.now() - before).to.be.least(10)
before = performance.now()
await time.sleep(30)
expect(performance.now() - before).to.be.least(30)
})
}) })