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author | Steve Klebanoff <steve.klebanoff@gmail.com> | 2018-12-13 06:25:56 +0800 |
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committer | Steve Klebanoff <steve.klebanoff@gmail.com> | 2018-12-13 06:25:56 +0800 |
commit | 9e5e1f568ba71927cec2255bf779322edb6f7d07 (patch) | |
tree | 46698ae5f6081d80a569caa68028c2f3badaf164 /packages/instant/test/util/format.test.ts | |
parent | 65579c023670c09f39b4f7a733d7b703888d9d99 (diff) | |
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show as <$0.01 when less than a cent in USD, and also show 1 significant digit if rounded amount is 0
Diffstat (limited to 'packages/instant/test/util/format.test.ts')
-rw-r--r-- | packages/instant/test/util/format.test.ts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/packages/instant/test/util/format.test.ts b/packages/instant/test/util/format.test.ts index fe0a63e6e..b74d6cdaa 100644 --- a/packages/instant/test/util/format.test.ts +++ b/packages/instant/test/util/format.test.ts @@ -41,6 +41,10 @@ describe('format', () => { it('converts BigNumber(5.3014059295032) to the string `5.301 ETH`', () => { expect(format.ethUnitAmount(BIG_NUMBER_IRRATIONAL)).toBe('5.301 ETH'); }); + it('shows 1 significant digit when rounded amount would be 0', () => { + expect(format.ethUnitAmount(new BigNumber(0.00000045))).toBe('0.0000005 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.00000044))).toBe('0.0000004 ETH'); + }); it('returns defaultText param when ethUnitAmount is not defined', () => { const defaultText = 'defaultText'; expect(format.ethUnitAmount(undefined, 4, defaultText)).toBe(defaultText); @@ -86,6 +90,12 @@ describe('format', () => { it('correctly formats 5.3014059295032 ETH to usd according to some price', () => { expect(format.ethUnitAmountInUsd(BIG_NUMBER_IRRATIONAL, BIG_NUMBER_FAKE_ETH_USD_PRICE)).toBe('$13.43'); }); + it('correctly formats amount that is less than 1 cent', () => { + expect(format.ethUnitAmountInUsd(new BigNumber(0.000001), BIG_NUMBER_FAKE_ETH_USD_PRICE)).toBe('<$0.01'); + }); + it('correctly formats exactly 1 cent', () => { + expect(format.ethUnitAmountInUsd(new BigNumber(0.0039), BIG_NUMBER_FAKE_ETH_USD_PRICE)).toBe('$0.01'); + }); it('returns defaultText param when ethUnitAmountInUsd or ethUsdPrice is not defined', () => { const defaultText = 'defaultText'; expect(format.ethUnitAmountInUsd(undefined, undefined, 2, defaultText)).toBe(defaultText); |