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<!DOCTYPE html>
<title>Test keyboard scroll bubbling from a fenced frame.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="resources/utils.js"></script>
<style>
body {
/* Make main frame scrollable */
width: 200vw;
height: 200vh;
}
</style>
<body>
<script>
// Ensure keyboard scrolling from inside a fenced frame is bubbled out to the
// embedding frame.
promise_test(async t => {
const frame = attachFencedFrameContext({html: `
<!DOCTYPE html>
<style>
body {
/* Make fenced frame scrollable */
width: 200vw;
height: 200vh;
}
</style>
<script src="/resources/testdriver.js"><\/script>
<script src="/resources/testdriver-actions.js"><\/script>
<script src="/resources/testdriver-vendor.js"><\/script>
`});
// Scroll the fenced frame to its full extent so that left/down arrow key
// scrolling will bubble to the embedder.
await frame.execute(async () => {
window.scrollTo(10000, 10000);
});
assert_equals(window.scrollX, 0, '[PRECONDITION] main frame has no x scroll.');
assert_equals(window.scrollY, 0, '[PRECONDITION] main frame has no y scroll.');
// Simulate a right arrow and down arrow key in the fenced frame.
await frame.execute(async () => {
const arrow_right = "\uE014";
const arrow_down = "\uE015";
test_driver.send_keys(document.body, arrow_right);
test_driver.send_keys(document.body, arrow_down);
});
// Use step_wait to poll since the scroll may be executed asynchronously
// (e.g. IPC to embedder, scroll animation).
await t.step_wait(() => window.scrollX > 0, "Wait for horizontal scroll.");
assert_greater_than(window.scrollX, 0, 'Horizontal scroll should bubble to main frame.');
await t.step_wait(() => window.scrollY > 0, "Wait for vertical scroll.");
assert_greater_than(window.scrollY, 0, 'Vertical scroll should bubble to main frame.');
}, 'Keyboard scrolling bubbles out of fenced frame');
</script>
</body>
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