options-value-emulates-undefined.js

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// |reftest| skip-if(!xulRuntime.shell||!this.hasOwnProperty('Intl'))

// Any copyright is dedicated to the Public Domain.

// http://creativecommons.org/licenses/publicdomain/

//-----------------------------------------------------------------------------

var BUGNUMBER = 843004;

var summary =

  "Use of an object that emulates |undefined| as the sole option must " +

  "preclude imputing default values";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

var opt = createIsHTMLDDA();

opt.toString = function() { return "long"; };

var str = new Date(2013, 12 - 1, 14).toLocaleString("en-US", { weekday: opt });

// Because "weekday" was present and not undefined (stringifying to "long"),

// this must be a string like "Saturday" (in this implementation, that is).

assertEq(str, "Saturday");

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");