LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-8-4.js

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ES5Harness.registerTest( {
id: "15.4.4.15-8-4",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-8-4.js",

description: "Array.prototype.lastIndexOf must return correct index(undefined)",

test: function testcase() {
  var obj = {toString:function(){return undefined;}};
  var _undefined1 = undefined;
  var _undefined2;
  var a = new Array(_undefined1,_undefined2,undefined,true,0,false,null,1,"undefined",obj,1);
  if (a.lastIndexOf(undefined) === 2) 
  {
    return true;
  }
 },

precondition: function prereq() {
  return fnExists(Array.prototype.lastIndexOf);
 }
});