mirror of
https://github.com/XiaoDaiGua-Ray/ray-template.git
synced 2025-04-05 19:42:07 +08:00
83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
import {
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isCurrency,
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format,
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add,
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subtract,
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multiply,
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divide,
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distribute,
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} from '../../src/utils/precision'
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describe('precision', () => {
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it('check value is currency object', () => {
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expect(isCurrency(1)).toBeFalsy()
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expect(isCurrency('1')).toBeFalsy()
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expect(isCurrency({})).toBeFalsy()
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expect(isCurrency({ s: 1 })).toBeFalsy()
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expect(isCurrency(add(1, 1))).toBeTruthy()
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})
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it('format value', () => {
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expect(format(1)).toBe(1)
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expect(
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format(1.1, {
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type: 'number',
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}),
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).toBe(1.1)
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expect(
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format(1.11, {
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type: 'string',
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precision: 2,
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}),
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).toBe('1.11')
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expect(format(add(1, 1))).toBe(2)
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expect(format(add(0.1, 0.2))).toBe(0.3)
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})
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it('add value', () => {
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expect(format(add(1, 1))).toBe(2)
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expect(format(add(0.1, 0.2))).toBe(0.3)
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expect(format(add(0.1, 0.2, 0.3))).toBe(0.6)
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expect(format(add(0.1, 0.2, 0.3, 0.4))).toBe(1)
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expect(format(add(0.1, 0.2, 0.3, 0.4, 0.5))).toBe(1.5)
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})
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it('subtract value', () => {
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expect(format(subtract(1, 1))).toBe(0)
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expect(format(subtract(0.3, 0.2))).toBe(0.1)
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expect(format(subtract(0.6, 0.3, 0.2))).toBe(0.1)
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expect(format(subtract(1, 0.5, 0.4, 0.3, 0.2))).toBe(-0.4)
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})
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it('multiply value', () => {
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expect(format(multiply(1, 1))).toBe(1)
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expect(format(multiply(0.1, 0.2))).toBe(0.02)
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expect(format(multiply(0.1, 0.2, 0.3))).toBe(0.006)
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expect(format(multiply(0.1, 0.2, 0.3, 0.4))).toBe(0.0024)
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expect(format(multiply(0.1, 0.2, 0.3, 0.4, 0.5))).toBe(0.0012)
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})
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it('divide value', () => {
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expect(format(divide(1, 1))).toBe(1)
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expect(format(divide(0.1, 0.2))).toBe(0.5)
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expect(
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format(divide(0.1, 0.2, 0.3), {
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precision: 2,
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}),
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).toBe(1.67)
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})
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it('distribute value', () => {
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expect(distribute(1, 1)).toEqual([1])
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expect(distribute(1, 0)).toEqual([1])
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expect(distribute(0, 3)).toEqual([0, 0, 0])
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expect(distribute(10, 3)).toEqual([3.33333334, 3.33333333, 3.33333333])
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expect(
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distribute(20, 3, {
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precision: 4,
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}),
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).toEqual([6.6667, 6.6667, 6.6666])
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expect(distribute(add(20, 1), 3)).toEqual([7, 7, 7])
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})
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})
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