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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-vm-global-non-writable-properties.js |
'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);
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