tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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promise-cross-compartment-subclassing.js (413B)

      1 ignoreUnhandledRejections();
      2 
      3 const global = newGlobal();
      4 const OtherPromise = global.Promise;
      5 class SubPromise extends OtherPromise {}
      6 
      7 assertEq(true, new SubPromise(()=>{}) instanceof OtherPromise);
      8 assertEq(true, SubPromise.resolve({}) instanceof OtherPromise);
      9 assertEq(true, SubPromise.reject({}) instanceof OtherPromise);
     10 assertEq(true, SubPromise.resolve({}).then(()=>{}, ()=>{}) instanceof OtherPromise);