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<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=470212
-->
<head>
<title>Test for Bug 470212 - crash [@ nsContentUtils::ComparePoints]</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=470212">Mozilla Bug 470212</a>
<div style="width: 200px;">
<ca>
<canvas style="border: 1px solid black;" id="dragSource"></canvas>
</ca>
</div>
<pre id="test">
<script>
function doShiftDrag(){
setTimeout(function() {
var canvas = document.getElementById("dragSource");
// Drag canvas element starts with a mouse down event, combine with shift
// key, follows by two mouse move events.
window.addEventListener("dragstart", e => {
e.preventDefault();
e.stopPropagation();
}, { once: true });
// Press on left-top corner of the canvas element.
synthesizeMouse(canvas, 0, 0, { type: "mousedown", shiftKey: true });
// Move to the center of this cavas element.
synthesizeMouseAtCenter(canvas, { type: "mousemove", shiftKey: true });
// move out of cavas's region.
var canvasRect = canvas.getBoundingClientRect();
synthesizeMouse(canvas, canvasRect.width / 2, canvasRect.height + 10,
{ type: "mousemove", shiftKey: true });
is(window.getSelection().rangeCount, 0, "rangeCount should be 0");
synthesizeMouse(canvas, canvasRect.width / 2, canvasRect.height + 10,
{ type: "mouseup", shiftKey: true });
SimpleTest.finish();
}, 0);
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(doShiftDrag);
</script>
</pre>
</body>
</html>
|
