@infinito/id3/test/set.syncsafe.tests.js

ID3 Tag Reader/Writer

import assert from 'assert';

import setSyncSafe from '../src/set.syncsafe.js';

describe('setSyncSafe',function () {
	it('should throw a TypeError when not given a Uint8Array for buf parameter', function () {
		assert.throws(() => setSyncSafe(0,0,0,0),TypeError);
	});
	it('should throw a TypeError when not given a number for pos parameter', function () {
		assert.throws(() => setSyncSafe(new Uint8Array(2),"",0,0),TypeError);
	});
	it('should throw a TypeError when not given a number for size parameter', function () {
		assert.throws(() => setSyncSafe(new Uint8Array(2),0,"",0),TypeError);
	});
	it('should throw a TypeError when not given a number for bytes parameter', function () {
		assert.throws(() => setSyncSafe(new Uint8Array(2),0,3,""),TypeError);
	});
	it('should set Uint8Array of length 4 to all zeroes when given (buf,0,0,4) as parameters', function () {
		let buf = new Uint8Array(4);
		let bench = new Uint8Array([0,0,0,0])
		setSyncSafe(buf,0,0,4);
		for(let i=0;i<4;i++) {
			assert.strictEqual(buf[i],bench[i]);
		}
	});
	it('should set Uint8Array of length 4 to [1,2,3,4] when given (buf,0,2130308,4) as parameters', function () {
		let buf = new Uint8Array(4);
		let bench = new Uint8Array([1,2,3,4])
		setSyncSafe(buf,0,2130308,4);
		for(let i=0;i<4;i++) {
			assert.strictEqual(buf[i],bench[i]);
		}
	});
});