tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

Frame-script-04.js (713B)

      1 // Frame.prototype.script for generator frames.
      2 
      3 load(libdir + "asserts.js");
      4 
      5 var g = newGlobal({ newCompartment: true });
      6 var dbg = new Debugger(g);
      7 g.eval(`
      8 function* f() {}
      9 `);
     10 
     11 let frame;
     12 let script;
     13 dbg.onEnterFrame = function(f) {
     14  frame = f;
     15  script = frame.script;
     16 };
     17 
     18 const it = g.f();
     19 
     20 assertEq(frame instanceof Debugger.Frame, true);
     21 assertEq(script instanceof Debugger.Script, true);
     22 assertEq(frame.script, script);
     23 
     24 const lastFrame = frame;
     25 const lastScript = script;
     26 frame = null;
     27 script = null;
     28 
     29 it.next();
     30 
     31 assertEq(frame, lastFrame);
     32 assertEq(script, lastScript);
     33 
     34 // The frame has finished evaluating, so the script is no longer accessible.
     35 assertThrowsInstanceOf(() => frame.script, Error);