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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/preload/resources/preload_helper.js"></script>
<script>
var t = async_test('Makes sure that Link headers preload resources and block window.onload after resource discovery');
</script>
<body>
<style>
#background {
width: 200px;
height: 200px;
background-image: url(resources/square.png?background);
}
</style>
<link rel="stylesheet" href="resources/dummy.css?link-header-preload-delay-onload">
<script src="resources/dummy.js?link-header-preload-delay-onload"></script>
<div id="background"></div>
<script>
document.write('<img src="resources/square.png?link-header-preload-delay-onload">');
window.addEventListener("load", t.step_func(function() {
verifyPreloadAndRTSupport();
var entries = performance.getEntriesByType("resource");
var found_background_first = false;
for (var i = 0; i < entries.length; ++i) {
var entry = entries[i];
if (entry.name.indexOf("square") != -1) {
if (entry.name.indexOf("background") != -1)
found_background_first = true;
break;
}
}
assert_true(found_background_first);
verifyLoadedAndNoDoubleDownload("resources/square.png?link-header-preload-delay-onload");
verifyLoadedAndNoDoubleDownload("resources/square.png?background");
verifyLoadedAndNoDoubleDownload("resources/dummy.js?link-header-preload-delay-onload");
verifyLoadedAndNoDoubleDownload("resources/dummy.css?link-header-preload-delay-onload");
t.done();
}));
</script>
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