LayoutTests/ietestcenter/Javascript/TestCases/15.4.4.17-8-4.js

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ES5Harness.registerTest( {
id: "15.4.4.17-8-4",

path: "TestCases/chapter15/15.4/15.4.4/15.4.4.17/15.4.4.17-8-4.js",

description: "Array.prototype.some returns false if 'length' is 0 (subclassed Array, length overridden to 0 (type conversion))",

test: function testcase() {
  foo.prototype = new Array(1, 2, 3);
  function foo() {}
  var f = new foo();
  f.length = 0;
  
  function cb(){}
  var i = f.some(cb);
  
  if (i === false) {
    return true;
  }
 },

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