|
| 1 | +'use strict'; |
| 2 | +require('../common'); |
| 3 | +const assert = require('assert'); |
| 4 | +const vm = require('vm'); |
| 5 | + |
| 6 | +// These assertions check that we can set new keys to the global context, |
| 7 | +// get them back and also list them via getOwnProperty* or in. |
| 8 | +// |
| 9 | +// Related to: |
| 10 | +// - https://github.com/nodejs/node/issues/45983 |
| 11 | + |
| 12 | +const global = vm.runInContext('this', vm.createContext()); |
| 13 | + |
| 14 | +function runAssertions(data, property, viaDefine, value1, value2, value3) { |
| 15 | + // Define the property for the first time |
| 16 | + setPropertyAndAssert(data, property, viaDefine, value1); |
| 17 | + // Update the property |
| 18 | + setPropertyAndAssert(data, property, viaDefine, value2); |
| 19 | + // Delete the property |
| 20 | + deletePropertyAndAssert(data, property); |
| 21 | + // Re-define the property |
| 22 | + setPropertyAndAssert(data, property, viaDefine, value3); |
| 23 | + // Delete the property again |
| 24 | + deletePropertyAndAssert(data, property); |
| 25 | +} |
| 26 | + |
| 27 | +const fun1 = () => 1; |
| 28 | +const fun2 = () => 2; |
| 29 | +const fun3 = () => 3; |
| 30 | + |
| 31 | +function runAssertionsOnSandbox(builder) { |
| 32 | + const sandboxContext = vm.createContext({ runAssertions, fun1, fun2, fun3 }); |
| 33 | + vm.runInContext(builder('this'), sandboxContext); |
| 34 | + vm.runInContext(builder('{}'), sandboxContext); |
| 35 | +} |
| 36 | + |
| 37 | +// Assertions on: define property |
| 38 | +runAssertions(global, 'toto', true, 1, 2, 3); |
| 39 | +runAssertions(global, Symbol.for('toto'), true, 1, 2, 3); |
| 40 | +runAssertions(global, 'tutu', true, fun1, fun2, fun3); |
| 41 | +runAssertions(global, Symbol.for('tutu'), true, fun1, fun2, fun3); |
| 42 | +runAssertions(global, 'tyty', true, fun1, 2, 3); |
| 43 | +runAssertions(global, Symbol.for('tyty'), true, fun1, 2, 3); |
| 44 | + |
| 45 | +// Assertions on: direct assignment |
| 46 | +runAssertions(global, 'titi', false, 1, 2, 3); |
| 47 | +runAssertions(global, Symbol.for('titi'), false, 1, 2, 3); |
| 48 | +runAssertions(global, 'tata', false, fun1, fun2, fun3); |
| 49 | +runAssertions(global, Symbol.for('tata'), false, fun1, fun2, fun3); |
| 50 | +runAssertions(global, 'tztz', false, fun1, 2, 3); |
| 51 | +runAssertions(global, Symbol.for('tztz'), false, fun1, 2, 3); |
| 52 | + |
| 53 | +// Assertions on: define property from sandbox |
| 54 | +runAssertionsOnSandbox( |
| 55 | + (variable) => ` |
| 56 | + runAssertions(${variable}, 'toto', true, 1, 2, 3); |
| 57 | + runAssertions(${variable}, Symbol.for('toto'), true, 1, 2, 3); |
| 58 | + runAssertions(${variable}, 'tutu', true, fun1, fun2, fun3); |
| 59 | + runAssertions(${variable}, Symbol.for('tutu'), true, fun1, fun2, fun3); |
| 60 | + runAssertions(${variable}, 'tyty', true, fun1, 2, 3); |
| 61 | + runAssertions(${variable}, Symbol.for('tyty'), true, fun1, 2, 3);` |
| 62 | +); |
| 63 | + |
| 64 | +// Assertions on: direct assignment from sandbox |
| 65 | +runAssertionsOnSandbox( |
| 66 | + (variable) => ` |
| 67 | + runAssertions(${variable}, 'titi', false, 1, 2, 3); |
| 68 | + runAssertions(${variable}, Symbol.for('titi'), false, 1, 2, 3); |
| 69 | + runAssertions(${variable}, 'tata', false, fun1, fun2, fun3); |
| 70 | + runAssertions(${variable}, Symbol.for('tata'), false, fun1, fun2, fun3); |
| 71 | + runAssertions(${variable}, 'tztz', false, fun1, 2, 3); |
| 72 | + runAssertions(${variable}, Symbol.for('tztz'), false, fun1, 2, 3);` |
| 73 | +); |
| 74 | + |
| 75 | +// Helpers |
| 76 | + |
| 77 | +// Set the property on data and assert it worked |
| 78 | +function setPropertyAndAssert(data, property, viaDefine, value) { |
| 79 | + if (viaDefine) { |
| 80 | + Object.defineProperty(data, property, { |
| 81 | + enumerable: true, |
| 82 | + writable: true, |
| 83 | + value: value, |
| 84 | + configurable: true, |
| 85 | + }); |
| 86 | + } else { |
| 87 | + data[property] = value; |
| 88 | + } |
| 89 | + assert.strictEqual(data[property], value); |
| 90 | + assert.ok(property in data); |
| 91 | + if (typeof property === 'string') { |
| 92 | + assert.ok(Object.getOwnPropertyNames(data).includes(property)); |
| 93 | + } else { |
| 94 | + assert.ok(Object.getOwnPropertySymbols(data).includes(property)); |
| 95 | + } |
| 96 | +} |
| 97 | + |
| 98 | +// Delete the property from data and assert it worked |
| 99 | +function deletePropertyAndAssert(data, property) { |
| 100 | + delete data[property]; |
| 101 | + assert.strictEqual(data[property], undefined); |
| 102 | + assert.ok(!(property in data)); |
| 103 | + assert.ok(!Object.getOwnPropertyNames(data).includes(property)); |
| 104 | + assert.ok(!Object.getOwnPropertySymbols(data).includes(property)); |
| 105 | +} |
0 commit comments