tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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species-fuse-arraybuffer-2.js (575B)


      1 // Test for array buffer species fuse with multiple realms.
      2 function test() {
      3  var g = newGlobal();
      4  var arr = g.evaluate(`new ArrayBuffer(4)`);
      5  var count = 0;
      6  Object.defineProperty(g.ArrayBuffer.prototype, "constructor", {get: function() {
      7    count++;
      8    return ArrayBuffer;
      9  }});
     10  for (var i = 0; i < 20; i++) {
     11    assertEq(ArrayBuffer.prototype.slice.call(arr).byteLength, 4);
     12  }
     13  assertEq(count, 20);
     14  assertEq(getFuseState().OptimizeArrayBufferSpeciesFuse.intact, true);
     15  assertEq(g.getFuseState().OptimizeArrayBufferSpeciesFuse.intact, false);
     16 }
     17 test();