js/xpconnect/tests/mochitest/test_spectre_mitigations.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4   <meta charset="utf-8">
   5   <title>Tests for Spectre mitigations</title>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   8 </head>
   9 <body>
  10 <script>
  11 add_task(async function() {
  12   const { Cu } = SpecialPowers;
  13   const options = Cu.getJSTestingFunctions().getJitCompilerOptions();
  14
  15   const testMitigation = function(name) {
  16     let val = options[name];
  17     ok(val === 0 || val === 1, "must be valid JitOption");
  18     is(Boolean(val), !SpecialPowers.useRemoteSubframes, "must be enabled if Fission is disabled");
  19   };
  20
  21   testMitigation("spectre.index-masking");
  22   testMitigation("spectre.object-mitigations");
  23   testMitigation("spectre.string-mitigations");
  24   testMitigation("spectre.value-masking");
  25 });
  26 </script>
  27 </body>
  28 </html>