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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="resources/utils.js"></script>
<body>
<div>
Dragging the mouse from child frame to parent frame causes both <code>mousedown</code> and
<code>mouseup</code> events being dispatched to child frame, regardless of whether the
<code>mousedown</code> event is canceled or not.
</div>
<iframe id="child_frame" width="300px" height="40px"
src="resources/mouse-event-reporter-subframe.html">
</iframe>
</body>
<script>
"use strict"
let topframe_loaded = getEvent("load", window);
let subframe_loaded = getMessageData("load", frames[0]);
let top_frame_mousedown;
let top_frame_mouseup;
promise_setup(async () => {
await topframe_loaded;
await subframe_loaded;
window.addEventListener("mousedown", e => top_frame_mousedown = true);
window.addEventListener("mouseup", e => top_frame_mouseup = true);
});
[false, true].forEach(cancel_mousedown => {
let mousedown_msg = cancel_mousedown ? "canceled" : "not-canceled";
promise_test(async () => {
top_frame_mousedown = false;
top_frame_mouseup = false;
sendMessage(frames[0], "cancel-mousedown", cancel_mousedown);
const mousedown_promise = getMessageData("mousedown", frames[0]);
const mouseup_promise = getMessageData("mouseup", frames[0]);
const child_frame = document.getElementById("child_frame");
const actions_promise = new test_driver.Actions()
.pointerMove(5, 5, {origin: child_frame})
.pointerDown()
.pointerMove(5, 5, {origin: document.body})
.pointerUp()
.send();
await actions_promise;
let mousedown_message = await mousedown_promise;
let mouseup_message = await mouseup_promise;
assert_equals(mousedown_message.param, mousedown_msg, "Child frame canceled mousedown?");
assert_false(top_frame_mousedown, "Top frame received mousedown?");
assert_false(top_frame_mouseup, "Top frame received mouseup?");
}, "Child frame receives mousedown/mouseup when mousedown is " + mousedown_msg);
});
</script>
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