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'use strict';
const assert = require('assert');const isBsonType = require('../../lib/helpers/isBsonType');
const Decimal128 = require('mongodb').Decimal128;const ObjectId = require('mongodb').ObjectId;
describe('isBsonType', () => {  it('true for any object with _bsontype property equal typename', () => {    assert.ok(isBsonType({ _bsontype: 'MyType' }, 'MyType'));  });
  it('true for any object without _bsontype property and undefined typename', () => {    assert.ok(isBsonType({ }));  });
  it('false for any object with _bsontype property different of typename', () => {    assert.ok(!isBsonType({ _bsontype: 'MyType' }, 'OtherType'));  });
  it('false for any object without _bsontype property', () => {    assert.ok(!isBsonType({ }, 'OtherType'));  });
  it('true for Decimal128', () => {    assert.ok(isBsonType(new Decimal128('123'), 'Decimal128'));  });
  it('true for ObjectId', () => {    assert.ok(isBsonType(new ObjectId(), 'ObjectID'));  });});