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// Array.prototype.iterator is generic.
// That is, it can be applied to arraylike objects and strings, not just arrays.
load(libdir + "asserts.js");
load(libdir + "iteration.js");
function test(obj) {
var it = Array.prototype[Symbol.iterator].call(obj);
var ki = Array.prototype.keys.call(obj);
var ei = Array.prototype.entries.call(obj);
for (var i = 0; i < (obj.length >>> 0); i++) {
assertIteratorNext(it, obj[i]);
assertIteratorNext(ki, i);
assertIteratorNext(ei, [i, obj[i]]);
}
assertIteratorDone(it, undefined);
assertIteratorDone(ki, undefined);
assertIteratorDone(ei, undefined);
}
test({length: 0});
test({length: 0, 0: 'x', 1: 'y'});
test({length: 2, 0: 'x', 1: 'y'});
test(Object.create(['x', 'y', 'z']));
test(Object.create({length: 2, 0: 'x', 1: 'y'}));
test("");
test("ponies");
// Perverse length values.
test({length: "011", 9: 9, 10: 10, 11: 11});
test({length: -0});
test({length: 2.7, 0: 0, 1: 1, 2: 2});
test({length: {valueOf: function () { return 3; }}, 0: 0, 1: 1, 2: 2});
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