@reown/appkit-common/dist/esm/tests/NumberUtil.test.js

The full stack toolkit to build onchain app UX.

import { describe, expect, it } from 'vitest';
import { NumberUtil } from '../src/utils/NumberUtil.js';
describe('NumberUtil', () => {
    it('should return isGreaterThan as expected', () => {
        const isGreaterThan = NumberUtil.bigNumber('6.348').gt('0');
        expect(isGreaterThan).toBe(true);
    });
});
describe('NumberUtil.parseLocalStringToNumber', () => {
    it('should return 0 when value is undefined', () => {
        const result = NumberUtil.parseLocalStringToNumber(undefined);
        expect(result).toBe(0);
    });
    it('should return the number when value is a string', () => {
        const result = NumberUtil.parseLocalStringToNumber('123.45');
        expect(result).toBe(123.45);
    });
    it('should return the number when value is a string with a lot of decimals', () => {
        const result = NumberUtil.parseLocalStringToNumber('123.4567890123456789');
        expect(result).toBe(123.4567890123456789);
    });
    it('should return the number when value is a string with zero and a lot of decimals', () => {
        const result = NumberUtil.parseLocalStringToNumber('0.000000000000000001');
        expect(result).toBe(0.000000000000000001);
    });
    it('should return the number when value is a string with a negative sign', () => {
        const result = NumberUtil.parseLocalStringToNumber('-123.45');
        expect(result).toBe(-123.45);
    });
    it('should return the number when value is a string with commas', () => {
        const result = NumberUtil.parseLocalStringToNumber('123,456.78');
        expect(result).toBe(123456.78);
    });
    it('should return the number when value is a string with a lot of commas', () => {
        const result = NumberUtil.parseLocalStringToNumber('123,456,789.123,456,789');
        expect(result).toBe(123456789.123456789);
    });
});
describe('NumberUtil.formatNumberToLocalString', () => {
    it('should return "0.00" when value is undefined', () => {
        const result = NumberUtil.formatNumberToLocalString(undefined);
        expect(result).toBe('0.00');
    });
    it('should format number to string with default 2 decimals', () => {
        const result = NumberUtil.formatNumberToLocalString(123.456);
        expect(result).toBe('123.45');
    });
    it('should format number to string with specified decimals', () => {
        const result = NumberUtil.formatNumberToLocalString(123.456, 3);
        expect(result).toBe('123.456');
    });
    it('should format string number to string with default 2 decimals', () => {
        const result = NumberUtil.formatNumberToLocalString('123.456');
        expect(result).toBe('123.45');
    });
    it('should format string number to string with specified decimals', () => {
        const result = NumberUtil.formatNumberToLocalString('123.456', 1);
        expect(result).toBe('123.4');
    });
    it('should format number with rounding mode', () => {
        const result = NumberUtil.formatNumberToLocalString(123.456, 2);
        expect(result).toBe('123.45');
    });
    it('should format negative number correctly', () => {
        const result = NumberUtil.formatNumberToLocalString(-123.456, 2);
        expect(result).toBe('-123.46');
    });
});
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