35 lines
1.3 KiB
TypeScript
35 lines
1.3 KiB
TypeScript
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// Copyright (C) 2023 Storj Labs, Inc.
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// See LICENSE for copying information.
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import { decimalShift } from '@/utils/strings';
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describe('decimalShift', (): void => {
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it('shifts integers correctly', function() {
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['', '-'].forEach(sign => {
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const decimal = sign+'123';
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expect(decimalShift(decimal, 0)).toBe(sign+'123');
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expect(decimalShift(decimal, 2)).toBe(sign+'1.23');
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expect(decimalShift(decimal, 5)).toBe(sign+'0.00123');
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expect(decimalShift(decimal, -2)).toBe(sign+'12300');
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});
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});
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it('shifts decimals correctly', function() {
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['', '-'].forEach(sign => {
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const decimal = sign+'1.23';
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expect(decimalShift(decimal, 0)).toBe(sign+'1.23');
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expect(decimalShift(decimal, -2)).toBe(sign+'123');
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expect(decimalShift(decimal, 3)).toBe(sign+'0.00123');
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expect(decimalShift(decimal, -4)).toBe(sign+'12300');
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});
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});
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it('trims unnecessary characters', function() {
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['', '-'].forEach(sign => {
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expect(decimalShift(sign+'0.0012300', -2)).toBe(sign+'0.123');
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expect(decimalShift(sign+'12300', 2)).toBe(sign+'123');
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expect(decimalShift(sign+'000.000', 1)).toBe('0');
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});
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});
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});
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