tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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bug-1994871-2.js (332B)

      1 // Check a gray symbol keeps a weak map entry alive.
      2 
      3 let wm = new WeakMap();
      4 s = Symbol();
      5 wm.set(s, {});
      6 gc();
      7 assertEq(nondeterministicGetWeakMapSize(wm), 1);
      8 
      9 grayRoot().push(s);
     10 s = undefined;
     11 gc();
     12 assertEq(nondeterministicGetWeakMapSize(wm), 1);
     13 
     14 grayRoot().length = 0;
     15 gc();
     16 assertEq(nondeterministicGetWeakMapSize(wm), 0);