The Tor Browser / file revision

 // Copyright 2009 the Sputnik authors.  All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * In ES5, First expression should be evaluated first.

  *

  * @path ch11/11.8/11.8.3/S11.8.3_A2.3_T1.js

  * @description Checking that operands of a "<=" evaluate left-to-right

  */

 //CHECK#1

 var x = { valueOf: function () { throw "x"; } };

 var y = { valueOf: function () { throw "y"; } };

 try {

    x <= y;

    $ERROR('#1.1: Should have thrown');

 } catch (e) {

    if (e === "y") {

      $ERROR('#1.2: First expression should be evaluated first');

    } else {

      if (e !== "x") {

        $ERROR('#1.3: Failed with: ' + e);

      }

    }

 }