<!DOCTYPE html>
<script src="../../resources/js-test.js"></script>
<div id="sandbox"></div>
<script>
description("Media query listeners should work even after gc.");
var jsTestIsAsync = true;
var sandbox = document.getElementById("sandbox");
var iframe = document.createElement("iframe");
sandbox.appendChild(iframe);
var matchMedia = iframe.contentWindow.matchMedia;
var mediaList1 = matchMedia("(max-width: 100px)");
var listenersCalled = [];
function makeListener(label) {
return function() { listenersCalled.push(label); };
}
mediaList1.addListener(makeListener("mediaList1_1"));
mediaList1.addListener(verifyResult);
mediaList1 = null;
gc();
iframe.style.width = "80px";
var expectedResult = ["mediaList1_1"];
function verifyResult() {
shouldBe("listenersCalled", "expectedResult");
finishJSTest();
}
</script>