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<!doctype html>
<meta charset="utf-8">
<title>window.top</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
assert_equals(window, top)
}, "Top level browsing context");
function step_func(test) {
return function (top_pointer) {
test.step(function() {assert_equals(top_pointer, window);})
test.done();
}
}
var t1 = async_test("One nested iframe");
t1.step(function() {
var iframe = document.createElement("iframe");
//iframe.src = "data:text/html,"
iframe.onload = t1.step_func(
function() {
var doc = iframe.contentDocument;
iframe.contentWindow.test_func = step_func(t1);
var script = doc.createElement("script")
script.textContent = "test_func(top);"
doc.body.appendChild(script);
});
document.body.appendChild(iframe);
});
var t2 = async_test("Two nested iframes");
t2.step(function() {
var iframe = document.createElement("iframe");
//iframe.src = "data:text/html,"
iframe.onload = t2.step_func(
function() {
var doc = iframe.contentDocument;
iframe2 = document.createElement("iframe");
//iframe2.src = "data:text/html,"
iframe2.onload = t2.step_func(
function() {
var doc2 = iframe2.contentDocument;
iframe2.contentWindow.test_func = step_func(t2);
var script = doc2.createElement("script")
script.textContent = "test_func(top);"
doc2.body.appendChild(script);
});
doc.body.appendChild(iframe2);
});
document.body.appendChild(iframe);
});
</script>
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