rochars / byte-data

var assert = require('assert');

describe('40-bit to bytes', function() {

    let byteData = require('../../index.js');

    // 40 bit

    it('should turn 5 bytes (hex) to 1 signed 40-bit int  (max range)', function() {

        assert.deepEqual(byteData.toBytes([549755813887], 40, {"base": 16}),

            ["ff","ff","ff","ff","7f"]);

    });

    it('should turn 5 bytes (hex) to 1 signed 40-bit int  (949752813887)', function() {

        assert.deepEqual(byteData.toBytes([949752813887], 40, {"base": 16}),

            ["3f", "d9", "ad", "21", "dd"]);

    });  

    it('should turn 1 signed 40-bit int to 5 bytes (hex) (max range)', function() {

        assert.deepEqual(byteData.toBytes([-549755813888], 40, {"base": 16}),

            ["00","00","00","00","80"]);

    });

    it('should turn 1 unsigned 40-bit int to 5 bytes (hex) (max range)', function() {

        assert.deepEqual(byteData.toBytes([1099511627775], 40, {"base": 16}),

            ["ff","ff","ff","ff","ff"]);

    });

    it('should turn 1 unsigned 40-bit int to 5 bytes (max range)', function() {

        assert.deepEqual(byteData.toBytes([1099511627775], 40, {"base": 10}),

            [255,255,255,255,255]);

    });

});