tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Environment-gc-01.js (465B)

      1 // An Environment keeps its referent alive.
      2 
      3 var g = newGlobal({newCompartment: true});
      4 g.eval("function f(x) { return 2 * x; }");
      5 var dbg = Debugger(g);
      6 var env;
      7 dbg.onEnterFrame = function (frame) { env = frame.environment; };
      8 assertEq(g.f(22), 44);
      9 dbg.onEnterFrame = undefined;
     10 
     11 assertEq(env.find("x"), env);
     12 assertEq(env.names().join(","), "arguments,x");
     13 
     14 gc();
     15 g.gc(g);
     16 gc(env);
     17 
     18 assertEq(env.find("x"), env);
     19 assertEq(env.names().join(","), "arguments,x");