diff options
Diffstat (limited to 'packages/instant/test')
| -rw-r--r-- | packages/instant/test/util/format.test.ts | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/packages/instant/test/util/format.test.ts b/packages/instant/test/util/format.test.ts index fe0a63e6e..38bf356ec 100644 --- a/packages/instant/test/util/format.test.ts +++ b/packages/instant/test/util/format.test.ts @@ -41,6 +41,18 @@ 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(0.00003))).toBe('0.00003 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.000034))).toBe('0.00003 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.000035))).toBe('0.00004 ETH'); + }); + it('shows < 0.00001 when hits threshold', () => { + expect(format.ethUnitAmount(new BigNumber(0.000011))).toBe('0.00001 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.00001))).toBe('0.00001 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.000009))).toBe('< 0.00001 ETH'); + expect(format.ethUnitAmount(new BigNumber(0.0000000009))).toBe('< 0.00001 ETH'); + expect(format.ethUnitAmount(new BigNumber(0))).toBe('0 ETH'); + }); it('returns defaultText param when ethUnitAmount is not defined', () => { const defaultText = 'defaultText'; expect(format.ethUnitAmount(undefined, 4, defaultText)).toBe(defaultText); @@ -86,6 +98,12 @@ 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); |