tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug-1749298.js (492B)

      1 // Test that a finalization registry target that is reachable from its global
      2 // does not keep the global alive indefinitely.
      3 
      4 let global = newGlobal({newCompartment: true});
      5 global.eval(`
      6  this.target = {};  // Target is reachable from global.
      7  this.registry = new FinalizationRegistry(() => assertEq(0, 1));
      8  registry.register(target, 'held');
      9  this.finalizeObserver = makeFinalizeObserver();
     10 `);
     11 
     12 assertEq(finalizeCount(), 0);
     13 
     14 global = undefined;
     15 gc();
     16 
     17 assertEq(finalizeCount(), 1);