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<!doctype html>
<title>Test for drag event coordinates</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<style>
#draggable {
display: inline-block;
border: 1px solid;
}
</style>
<div draggable="true" id="draggable">Drag me</div>
<script>
add_task(async function test_drag_coords() {
await SpecialPowers.contentTransformsReceived(window);
let target = document.getElementById("draggable");
let coords = {};
let promises = [];
for (let type of ["dragstart", "dragend"]) {
promises.push(new Promise(function(resolve) {
target.addEventListener(type, function(e) {
info("Got " + e.type);
coords[e.type] = {
screen: {
x: e.screenX,
y: e.screenY,
},
client: {
x: e.clientX,
y: e.clientY,
},
};
resolve();
});
}));
}
synthesizePlainDragAndDrop({
srcElement: target,
srcX: 2,
srcY: 2,
stepX: 10,
stepY: 10,
});
await Promise.all(promises);
info(JSON.stringify(coords));
for (let coordType of ["screen", "client"]) {
is(coords.dragend[coordType].x, coords.dragstart[coordType].x + 12, `x ${coordType} is correct`);
is(coords.dragend[coordType].y, coords.dragstart[coordType].y + 12, `y ${coordType} is correct`);
}
});
</script>
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