11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_ci 31cb0ef41Sopenharmony_cirequire('../common'); 41cb0ef41Sopenharmony_ci 51cb0ef41Sopenharmony_ci// Verifies that setting up two observers to listen 61cb0ef41Sopenharmony_ci// to gc performance does not crash. 71cb0ef41Sopenharmony_ci 81cb0ef41Sopenharmony_ciconst { 91cb0ef41Sopenharmony_ci PerformanceObserver, 101cb0ef41Sopenharmony_ci} = require('perf_hooks'); 111cb0ef41Sopenharmony_ci 121cb0ef41Sopenharmony_ci// We don't actually care if the callback is ever invoked in this test 131cb0ef41Sopenharmony_ciconst obs = new PerformanceObserver(() => {}); 141cb0ef41Sopenharmony_ciconst obs2 = new PerformanceObserver(() => {}); 151cb0ef41Sopenharmony_ci 161cb0ef41Sopenharmony_ciobs.observe({ type: 'gc' }); 171cb0ef41Sopenharmony_ciobs2.observe({ type: 'gc' }); 18