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// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
//-----------------------------------------------------------------------------
var BUGNUMBER = 548671;
var summary =
"Don't use a shared-permanent inherited property to implement " +
"[].length or (function(){}).length";
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
var a = [1, 2, 3];
a.__proto__ = null;
reportCompare("length" in a, true, "length should be own property of array");
reportCompare(Object.hasOwnProperty.call(a, "length"), true,
"length should be own property of array");
reportCompare(a.length, 3, "array length should be 3");
var a = [], b = [];
b.__proto__ = a;
reportCompare(b.hasOwnProperty("length"), true,
"length should be own property of array");
b.length = 42;
reportCompare(b.length, 42, "should have mutated b's (own) length");
reportCompare(a.length, 0, "should not have mutated a's (own) length");
if (typeof reportCompare === "function")
reportCompare(true, true);
print("All tests passed!");
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