@zondax/ledger-substrate/dist/__tests__/toBuffer.test.js

TS / Node API for Substrate/Polkadot based apps running on Ledger devices

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const common_1 = require("../common");
describe('toBuffer', () => {
    it('should pass through Buffer unchanged', () => {
        const input = Buffer.from('deadbeef', 'hex');
        const result = (0, common_1.toBuffer)(input);
        expect(result).toBe(input);
        expect(result.toString('hex')).toBe('deadbeef');
    });
    it('should convert Uint8Array to Buffer', () => {
        const input = new Uint8Array([0xde, 0xad, 0xbe, 0xef]);
        const result = (0, common_1.toBuffer)(input);
        expect(Buffer.isBuffer(result)).toBe(true);
        expect(result.toString('hex')).toBe('deadbeef');
    });
    it('should convert hex string to Buffer', () => {
        const input = 'deadbeef';
        const result = (0, common_1.toBuffer)(input);
        expect(Buffer.isBuffer(result)).toBe(true);
        expect(result.toString('hex')).toBe('deadbeef');
    });
    it('should convert hex string with 0x prefix to Buffer', () => {
        const input = '0xdeadbeef';
        const result = (0, common_1.toBuffer)(input);
        expect(Buffer.isBuffer(result)).toBe(true);
        expect(result.toString('hex')).toBe('deadbeef');
    });
    it('should handle empty inputs', () => {
        expect((0, common_1.toBuffer)(Buffer.alloc(0)).length).toBe(0);
        expect((0, common_1.toBuffer)(new Uint8Array(0)).length).toBe(0);
        expect((0, common_1.toBuffer)('').length).toBe(0);
        expect((0, common_1.toBuffer)('0x').length).toBe(0);
    });
    it('should handle large inputs', () => {
        const largeHex = 'ab'.repeat(1000);
        const result = (0, common_1.toBuffer)(largeHex);
        expect(result.length).toBe(1000);
        expect(result.toString('hex')).toBe(largeHex);
    });
});
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