LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.15-5-1.js

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ES5Harness.registerTest( {
id: "15.4.4.15-5-1",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.15/15.4.4.15-5-1.js",

description: "Array.prototype.lastIndexOf when fromIndex is string",

test: function testcase() {
  var a = new Array(0,1,1);
  if (a.lastIndexOf(1,"1") === 1 &&          // "1" resolves to 1
      a.lastIndexOf(1,"one") === -1) {       // NaN string resolves to 0
    return true;
  }
 },

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