summaryrefslogtreecommitdiff
path: root/test/parallel/test-vm-global-non-writable-properties.js
blob: 2a2f70ff7ed5aa4fb98900e69d6f0a815448f857 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
'use strict';
// https://github.com/nodejs/node/issues/10223

require('../common');
const assert = require('assert');
const vm = require('vm');

const ctx = vm.createContext();
vm.runInContext('Object.defineProperty(this, "x", { value: 42 })', ctx);
assert.strictEqual(vm.runInContext('x', ctx), 42);
vm.runInContext('x = 0', ctx);                      // Does not throw but x...
assert.strictEqual(vm.runInContext('x', ctx), 42);  // ...should be unaltered.
assert.throws(() => vm.runInContext('"use strict"; x = 0', ctx),
              /Cannot assign to read only property 'x'/);
assert.strictEqual(vm.runInContext('x', ctx), 42);