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17 lines
481 B
TypeScript
17 lines
481 B
TypeScript
import decayFunction from './decay'
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describe('utils/decay', () => {
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it('has base 0.99999997802044727', () => {
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const now = new Date()
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now.setSeconds(1)
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const oneSecondAgo = new Date(now.getTime())
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oneSecondAgo.setSeconds(0)
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expect(decayFunction(1.0, oneSecondAgo, now)).toBe(0.99999997802044727)
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})
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it('returns input amount when from and to is the same', () => {
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const now = new Date()
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expect(decayFunction(100.0, now, now)).toBe(100.0)
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})
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})
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