tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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testTestIntegrityLevel.js (641B)


      1 // isSealed/isFrozen should short-circuit.
      2 
      3 var count = 0;
      4 var target = Object.preventExtensions({a: 1, b: 2, c: 3});
      5 var p = new Proxy(target, {
      6    getOwnPropertyDescriptor(t, id) {
      7        count++;
      8        return Object.getOwnPropertyDescriptor(t, id);
      9    }
     10 });
     11 assertEq(Object.isSealed(p), false);
     12 assertEq(count, 1);
     13 
     14 count = 0;
     15 assertEq(Object.isFrozen(p), false);
     16 assertEq(count, 1);
     17 
     18 Object.seal(target);
     19 count = 0;
     20 assertEq(Object.isSealed(p), true);
     21 assertEq(count, 3);
     22 
     23 count = 0;
     24 assertEq(Object.isFrozen(p), false);
     25 assertEq(count, 1);
     26 
     27 Object.freeze(target);
     28 count = 0;
     29 assertEq(Object.isFrozen(p), true);
     30 assertEq(count, 3);