<!doctype html>
<title>loop in array in structured clone</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
async_test(function() {
var x = [];
x[0] = x;
postMessage(x, '*', []);
onmessage = this.step_func(function(e) {
assert_equals(e.data, e.data[0]);
this.done();
});
});
</script>