tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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fallback-symbol.js (890B)

      1 // |reftest| skip-if(!this.hasOwnProperty('Intl'))
      2 
      3 function IntlFallbackSymbol(constructor) {
      4    return Object.getOwnPropertySymbols(constructor.call(Object.create(constructor.prototype)))[0];
      5 }
      6 
      7 const dateTimeFormatIntlFallbackSymbol = IntlFallbackSymbol(Intl.DateTimeFormat);
      8 const numberFormatIntlFallbackSymbol = IntlFallbackSymbol(Intl.NumberFormat);
      9 
     10 // Intl.DateTimeFormat and Intl.NumberFormat both use the same fallback symbol.
     11 assertEq(dateTimeFormatIntlFallbackSymbol, numberFormatIntlFallbackSymbol);
     12 
     13 const intlFallbackSymbol = dateTimeFormatIntlFallbackSymbol;
     14 
     15 // The fallback symbol is a Symbol value.
     16 assertEq(typeof intlFallbackSymbol, "symbol");
     17 
     18 // Test the description of the fallback symbol.
     19 assertEq(Symbol.prototype.toString.call(intlFallbackSymbol), "Symbol(IntlLegacyConstructedSymbol)");
     20 
     21 if (typeof reportCompare === "function")
     22    reportCompare(true, true);