| // Flags: --expose-gc |
| 'use strict'; |
| const common = require('../common'); |
| |
| // This test verifies that when a V8 FinalizationRegistryCleanupTask is queue |
| // at the last moment when JavaScript can be executed, the callback of a |
| // FinalizationRegistry will not be invoked and the process should exit |
| // normally. |
| |
| const reg = new FinalizationRegistry( |
| common.mustNotCall('This FinalizationRegistry callback should never be called')); |
| |
| function register() { |
| // Create a temporary object in a new function scope to allow it to be GC-ed. |
| reg.register({}); |
| } |
| |
| process.on('exit', () => { |
| // This is the final chance to execute JavaScript. |
| register(); |
| // Queue a FinalizationRegistryCleanupTask by a testing gc request. |
| global.gc(); |
| }); |
