'use strict'; require('../common'); const assert = require('assert'); const vm = require('vm'); // These assertions check that we can set new keys to the global context, // get them back and also list them via getOwnProperty* or in. // // Related to: // - https://github.com/nodejs/node/issues/45983 const global = vm.runInContext('this', vm.createContext()); function runAssertions(data, property, viaDefine, value1, value2, value3) { // Define the property for the first time setPropertyAndAssert(data, property, viaDefine, value1); // Update the property setPropertyAndAssert(data, property, viaDefine, value2); // Delete the property deletePropertyAndAssert(data, property); // Re-define the property setPropertyAndAssert(data, property, viaDefine, value3); // Delete the property again deletePropertyAndAssert(data, property); } const fun1 = () => 1; const fun2 = () => 2; const fun3 = () => 3; function runAssertionsOnSandbox(builder) { const sandboxContext = vm.createContext({ runAssertions, fun1, fun2, fun3 }); vm.runInContext(builder('this'), sandboxContext); vm.runInContext(builder('{}'), sandboxContext); } // Assertions on: define property runAssertions(global, 'toto', true, 1, 2, 3); runAssertions(global, Symbol.for('toto'), true, 1, 2, 3); runAssertions(global, 'tutu', true, fun1, fun2, fun3); runAssertions(global, Symbol.for('tutu'), true, fun1, fun2, fun3); runAssertions(global, 'tyty', true, fun1, 2, 3); runAssertions(global, Symbol.for('tyty'), true, fun1, 2, 3); // Assertions on: direct assignment runAssertions(global, 'titi', false, 1, 2, 3); runAssertions(global, Symbol.for('titi'), false, 1, 2, 3); runAssertions(global, 'tata', false, fun1, fun2, fun3); runAssertions(global, Symbol.for('tata'), false, fun1, fun2, fun3); runAssertions(global, 'tztz', false, fun1, 2, 3); runAssertions(global, Symbol.for('tztz'), false, fun1, 2, 3); // Assertions on: define property from sandbox runAssertionsOnSandbox( (variable) => ` runAssertions(${variable}, 'toto', true, 1, 2, 3); runAssertions(${variable}, Symbol.for('toto'), true, 1, 2, 3); runAssertions(${variable}, 'tutu', true, fun1, fun2, fun3); runAssertions(${variable}, Symbol.for('tutu'), true, fun1, fun2, fun3); runAssertions(${variable}, 'tyty', true, fun1, 2, 3); runAssertions(${variable}, Symbol.for('tyty'), true, fun1, 2, 3);` ); // Assertions on: direct assignment from sandbox runAssertionsOnSandbox( (variable) => ` runAssertions(${variable}, 'titi', false, 1, 2, 3); runAssertions(${variable}, Symbol.for('titi'), false, 1, 2, 3); runAssertions(${variable}, 'tata', false, fun1, fun2, fun3); runAssertions(${variable}, Symbol.for('tata'), false, fun1, fun2, fun3); runAssertions(${variable}, 'tztz', false, fun1, 2, 3); runAssertions(${variable}, Symbol.for('tztz'), false, fun1, 2, 3);` ); // Helpers // Set the property on data and assert it worked function setPropertyAndAssert(data, property, viaDefine, value) { if (viaDefine) { Object.defineProperty(data, property, { enumerable: true, writable: true, value: value, configurable: true, }); } else { data[property] = value; } assert.strictEqual(data[property], value); assert.ok(property in data); if (typeof property === 'string') { assert.ok(Object.getOwnPropertyNames(data).includes(property)); } else { assert.ok(Object.getOwnPropertySymbols(data).includes(property)); } } // Delete the property from data and assert it worked function deletePropertyAndAssert(data, property) { delete data[property]; assert.strictEqual(data[property], undefined); assert.ok(!(property in data)); assert.ok(!Object.getOwnPropertyNames(data).includes(property)); assert.ok(!Object.getOwnPropertySymbols(data).includes(property)); }