js/src/jit-test/tests/for-of/next-surfaces.js


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// Test superficial features of the Iterator.prototype.next builtin function.

assertEq(Iterator.prototype.next.length, 0);
var desc = Object.getOwnPropertyDescriptor(Iterator.prototype, "next");
assertEq(desc.configurable, true);
assertEq(desc.enumerable, false);
assertEq(desc.writable, true);