it('should write/read new varints', () => {
/*
* 0: [0x00] 256: [0x81 0x00]
* 1: [0x01] 16383: [0xFE 0x7F]
* 127: [0x7F] 16384: [0xFF 0x00]
* 128: [0x80 0x00] 16511: [0x80 0xFF 0x7F]
* 255: [0x80 0x7F] 65535: [0x82 0xFD 0x7F]
* 2^32: [0x8E 0xFE 0xFE 0xFF 0x00]
*/
let b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 0, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 0);
assert.strictEqual(b.toString('hex'), '00');
b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 1, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 1);
assert.strictEqual(b.toString('hex'), '01');
b = Buffer.alloc(1, 0xff);
encoding.writeVarint2(b, 127, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 127);
assert.strictEqual(b.toString('hex'), '7f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 128, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 128);
assert.strictEqual(b.toString('hex'), '8000');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 255, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 255);
assert.strictEqual(b.toString('hex'), '807f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 16383, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16383);
assert.strictEqual(b.toString('hex'), 'fe7f');
b = Buffer.alloc(2, 0xff);
encoding.writeVarint2(b, 16384, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16384);
assert.strictEqual(b.toString('hex'), 'ff00');
b = Buffer.alloc(3, 0xff);
encoding.writeVarint2(b, 16511, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 16511);
assert.strictEqual(b.slice(0, 2).toString('hex'), 'ff7f');
// assert.strictEqual(b.toString('hex'), '80ff7f');
b = Buffer.alloc(3, 0xff);
encoding.writeVarint2(b, 65535, 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, 65535);
assert.strictEqual(b.toString('hex'), '82fe7f');
// assert.strictEqual(b.toString('hex'), '82fd7f');
b = Buffer.alloc(5, 0xff);
encoding.writeVarint2(b, Math.pow(2, 32), 0);
assert.strictEqual(encoding.readVarint2(b, 0).value, Math.pow(2, 32));
assert.strictEqual(b.toString('hex'), '8efefeff00');
});