LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.14-9-1.js

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ES5Harness.registerTest( {
id: "15.4.4.14-9-1",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.14/15.4.4.14-9-1.js",

description: "Array.prototype.indexOf must return correct index (boolean)",

test: function testcase() {
  var obj = {toString:function(){return true}};
  var _false = false;
  var a = [obj,"true", undefined,0,_false,null,1,"str",0,1,true,false,true,false];
  if (a.indexOf(true) === 10 &&  //a[10]=true
      a.indexOf(false) === 4)    //a[4] =_false
  {
    return true;
  }
 },

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