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70 lines
2.0 KiB
70 lines
2.0 KiB
4 years ago
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import { strict as assert } from 'assert';
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import BN from 'bn.js';
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import { toBuffer } from './buffer-utils';
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describe('buffer utils', function () {
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describe('toBuffer', function () {
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it('should work with prefixed hex strings', function () {
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const result = toBuffer('0xe');
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assert.equal(result.length, 1);
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});
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it('should work with non prefixed hex strings', function () {
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const result = toBuffer('e');
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assert.equal(result.length, 1);
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});
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it('should work with weirdly 0x prefixed non-hex strings', function () {
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const result = toBuffer('0xtest');
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assert.equal(result.length, 6);
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});
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it('should work with regular strings', function () {
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const result = toBuffer('test');
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assert.equal(result.length, 4);
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});
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it('should work with BN', function () {
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const result = toBuffer(new BN(100));
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assert.equal(result.length, 1);
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});
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it('should work with Buffer', function () {
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const result = toBuffer(Buffer.from('test'));
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assert.equal(result.length, 4);
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});
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it('should work with a number', function () {
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const result = toBuffer(100);
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assert.equal(result.length, 1);
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});
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it('should work with null or undefined', function () {
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const result = toBuffer(null);
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const result2 = toBuffer(undefined);
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assert.equal(result.length, 0);
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assert.equal(result2.length, 0);
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});
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it('should work with UInt8Array', function () {
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const uint8 = new Uint8Array(2);
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const result = toBuffer(uint8);
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assert.equal(result.length, 2);
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});
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it('should work with objects that have a toBuffer property', function () {
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const result = toBuffer({
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toBuffer: () => Buffer.from('hi'),
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});
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assert.equal(result.length, 2);
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});
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it('should work with objects that have a toArray property', function () {
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const result = toBuffer({
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toArray: () => ['hi'],
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});
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assert.equal(result.length, 1);
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});
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});
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});
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