1// Copyright Joyent, Inc. and other Node contributors.
2//
3// Permission is hereby granted, free of charge, to any person obtaining a
4// copy of this software and associated documentation files (the
5// "Software"), to deal in the Software without restriction, including
6// without limitation the rights to use, copy, modify, merge, publish,
7// distribute, sublicense, and/or sell copies of the Software, and to permit
8// persons to whom the Software is furnished to do so, subject to the
9// following conditions:
10//
11// The above copyright notice and this permission notice shall be included
12// in all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22'use strict';
23require('../common');
24const assert = require('assert');
25const vm = require('vm');
26
27for (const valToTest of [
28  'string', null, undefined, 8.9, Symbol('sym'), true,
29]) {
30  assert.throws(() => {
31    vm.isContext(valToTest);
32  }, {
33    code: 'ERR_INVALID_ARG_TYPE',
34    name: 'TypeError'
35  });
36}
37
38assert.strictEqual(vm.isContext({}), false);
39assert.strictEqual(vm.isContext([]), false);
40
41assert.strictEqual(vm.isContext(vm.createContext()), true);
42assert.strictEqual(vm.isContext(vm.createContext([])), true);
43
44const sandbox = { foo: 'bar' };
45vm.createContext(sandbox);
46assert.strictEqual(vm.isContext(sandbox), true);
47