tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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Frame-this-03.js (907B)

      1 // Frame.prototype.this in non-strict-mode functions, with primitive values
      2 
      3 function classOf(obj) {
      4    return Object.prototype.toString.call(obj).match(/^\[object (.*)\]$/)[1];
      5 }
      6 
      7 var g = newGlobal({newCompartment: true});
      8 var dbg = new Debugger(g);
      9 var hits = 0;
     10 dbg.onDebuggerStatement = function (frame) {
     11    hits++;
     12    assertEq(frame.this instanceof Debugger.Object, true);
     13    assertEq(frame.this.class, g.v == null ? classOf(g) : classOf(Object(g.v)));
     14 };
     15 
     16 g.eval("function f() { debugger; }");
     17 
     18 g.eval("Boolean.prototype.f = f; v = true; v.f();");
     19 g.eval("f.call(v);");
     20 g.eval("Number.prototype.f = f; v = 3.14; v.f();");
     21 g.eval("f.call(v);");
     22 g.eval("String.prototype.f = f; v = 'hello'; v.f();");
     23 g.eval("f.call(v);");
     24 g.eval("Symbol.prototype.f = f; v = Symbol('world'); v.f();");
     25 g.eval("f.call(v);");
     26 g.eval("v = undefined; f.call(v);");
     27 g.eval("v = null; f.call(v);");
     28 
     29 assertEq(hits, 10);