mirror of
https://github.com/nodejs/node.git
synced 2025-05-11 23:51:20 +00:00
ff1efa6087
PR-URL: https://github.com/nodejs/node/pull/10550 Reviewed-By: Rich Trott <rtrott@gmail.com>
17 lines
671 B
JavaScript
17 lines
671 B
JavaScript
'use strict';
|
|
require('../common');
|
|
const assert = require('assert');
|
|
const v8 = require('v8');
|
|
const vm = require('vm');
|
|
|
|
// Note: changing V8 flags after an isolate started is not guaranteed to work.
|
|
// Specifically here, V8 may cache compiled scripts between the flip of the
|
|
// flag. We use a different script each time to work around this problem.
|
|
v8.setFlagsFromString('--allow_natives_syntax');
|
|
assert(eval('%_IsSmi(42)'));
|
|
assert(vm.runInThisContext('%_IsSmi(43)'));
|
|
|
|
v8.setFlagsFromString('--noallow_natives_syntax');
|
|
assert.throws(function() { eval('%_IsSmi(44)'); }, SyntaxError);
|
|
assert.throws(function() { vm.runInThisContext('%_IsSmi(45)'); }, SyntaxError);
|