tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Debugger-debuggees-31.js (872B)

      1 // |jit-test| skip-if: !hasFunction["gczeal"]
      2 // Removing and adding debuggees during an incremental sweep should not confuse
      3 // the generatorFrames map.
      4 
      5 // Let any ongoing incremental GC finish, and then clear any ambient zeal
      6 // settings established by the harness (the JS_GC_ZEAL env var, shell arguments,
      7 // etc.)
      8 gczeal(0);
      9 
     10 let g = newGlobal({newCompartment: true});
     11 g.eval('function* f() { yield 123; }');
     12 
     13 let dbg = Debugger(g);
     14 dbg.onEnterFrame = frame => {
     15    dbg.removeDebuggee(g);
     16    dbg.addDebuggee(g);
     17 };
     18 
     19 // Select GCZeal mode 10 (IncrementalMultipleSlices: Incremental GC in many
     20 // slices) and use long slices, to make sure that the debuggee removal occurs
     21 // during a slice.
     22 gczeal(10, 0);
     23 gcslice(1);
     24 while (gcstate() !== "NotAcctive" && gcstate() !== "Sweep") {
     25  gcslice(1000);
     26 }
     27 
     28 let genObj = g.f();
     29 genObj.return();
     30 assertEq(gcstate(), "Sweep");