node/test/addons-napi/6_object_wrap/test.js

'use strict';
const common = require('../../common');
const assert = require('assert');
const addon = require(`./build/${common.buildType}/binding`);

const obj = new addon.MyObject(9);
assert.strictEqual(obj.value, 9);
obj.value = 10;
assert.strictEqual(obj.value, 10);
assert.strictEqual(obj.plusOne(), 11);
assert.strictEqual(obj.plusOne(), 12);
assert.strictEqual(obj.plusOne(), 13);

assert.strictEqual(obj.multiply().value, 13);
assert.strictEqual(obj.multiply(10).value, 130);

const newobj = obj.multiply(-1);
assert.strictEqual(newobj.value, -13);
assert.notStrictEqual(obj, newobj);