tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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preserve-iscallable-isconstructor.js (538B)

      1 load(libdir + "asserts.js");
      2 
      3 var global = newGlobal({newCompartment: true})
      4 var fun = global.eval("(function() {})")
      5 var p = new Proxy(fun, {})
      6 
      7 // Nuking should preserve IsCallable and IsConstructor.
      8 assertEq(isConstructor(p), true);
      9 assertEq(typeof p, "function");
     10 nukeCCW(fun);
     11 assertEq(isConstructor(p), true);
     12 assertEq(typeof p, "function");
     13 
     14 // But actually calling and constructing should throw, because it's been
     15 // nuked.
     16 assertThrowsInstanceOf(() => { p(); }, TypeError);
     17 assertThrowsInstanceOf(() => { new p(); }, TypeError);