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<!DOCTYPE html>
<html>
<meta charset="utf-8">
<script src="apz_test_utils.js"></script>
<script src="apz_test_native_event_utils.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/NativeKeyCodes.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<style>
html, body { margin: 0; }
body {
height: 10000px;
}
</style>
<script>
async function test() {
// Send a native key event which doesn't cause any scroll, so that now
// subsequent native key events will be able to be handled by APZ. See bug
// 1774519 about what happens without this event.
const UpArrowKeyCode = nativeArrowUpKey();
await new Promise(resolve => {
synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US,
UpArrowKeyCode, {} /* no modifier */,
"", "", resolve); });
// On test verify runs there's still a race condition where the next key event
// isn't handled by APZ since the focus sequence number hasn't yet been
// reflected to APZ, so we explicitly flush APZ state here.
await promiseApzFlushedRepaints();
const transformEndPromise = promiseTransformEnd();
const DownArrowKeyCode = nativeArrowDownKey();
await new Promise(resolve => {
synthesizeNativeKey(KEYBOARD_LAYOUT_EN_US,
DownArrowKeyCode, {} /* no modifier */,
"", "", resolve); });
await transformEndPromise;
ok(true, "Got an APZ:TransformEnd ");
}
function isOnChaosMode() {
return SpecialPowers.Services.env.get("MOZ_CHAOSMODE");
}
if ((getPlatform() == "mac" || getPlatform() == "windows") &&
!isOnChaosMode()) {
waitUntilApzStable()
.then(test)
.then(subtestDone, subtestFailed);
} else {
ok(true, "Skipping test because native key events are not supported on " +
getPlatform());
subtestDone();
}
</script>
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