const Script = vm.Script;

let script = new Script('"passed";');

console.error('run in a new empty context');

// Run in a new empty context

let context = vm.createContext();

let result = script.runInContext(context);

assert.strictEqual('passed', result);

console.error('create a new pre-populated context');

context = vm.createContext({'foo': 'bar', 'thing': 'lala'});

// Create a new pre-populated context

context = vm.createContext({ 'foo': 'bar', 'thing': 'lala' });

assert.strictEqual('bar', context.foo);

assert.strictEqual('lala', context.thing);

console.error('test updating context');

// Test updating context

script = new Script('foo = 3;');

result = script.runInContext(context);

assert.strictEqual(3, context.foo);

assert.strictEqual('lala', context.thing);

// Issue GH-227:

assert.throws(function() {

assert.throws(() => {

vm.runInNewContext('', null, 'some.js');

}, /^TypeError: sandbox must be an object$/);

// Issue GH-1140:

console.error('test runInContext signature');

// Test runInContext signature

let gh1140Exception;

try {

vm.runInContext('throw new Error()', context, 'expected-filename.js');

});

// Issue GH-693:

console.error('test RegExp as argument to assert.throws');

script = vm.createScript('var assert = require(\'assert\'); assert.throws(' +

// Test RegExp as argument to assert.throws

script = vm.createScript('const assert = require(\'assert\'); assert.throws(' +

'function() { throw "hello world"; }, /hello/);',

'some.js');

script.runInNewContext({ require: require });

// Error on the first line of a module should

// have the correct line and column number

assert.throws(function() {

assert.throws(() => {

vm.runInContext('throw new Error()', context, {

filename: 'expected-filename.js',

lineOffset: 32,

columnOffset: 123

});

}, function(err) {

return /expected-filename.js:33:130/.test(err.stack);

}, (err) => {

return /expected-filename\.js:33:130/.test(err.stack);

}, 'Expected appearance of proper offset in Error stack');

// https://github.com/nodejs/node/issues/6158