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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/browsers/the-window-object/accessing-other-browsing-contexts/window_length.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>window.length</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
var iframe;
var subframe;
var other_window;
test(function() {assert_equals(window.length, 0)}, "No child browsing contexts");
test(function() {
iframe = document.createElement("iframe");
assert_equals(window.length, 0)
}, "iframe not inserted into the document");
test(function() {
document.body.appendChild(iframe);
assert_equals(window.length, 1)
}, "One iframe inserted into the document");
test(function() {
subframe = document.createElement("iframe");
iframe.contentDocument.body.appendChild(subframe);
assert_equals(window.length, 1);
}, "Child browsing context has a child browsing context");
test(function() {
try {
assert_equals(iframe.contentWindow.length, 1);
} finally {
subframe.parentNode.removeChild(subframe);
}
}, "window.length in child frame");
test(function() {
iframe.parentNode.removeChild(iframe);
other_window = window.open();
assert_equals(window.length, 0);
assert_equals(other_window.length, 0);
}, "Opened window")
test(function() {
other_window.document.body.appendChild(iframe);
try {
assert_equals(other_window.length, 1);
} finally {
other_window.close();
}
}, "Iframe in opened window")
</script>