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<!DOCTYPE html>
<meta charset="utf-8" />
<title>Drag absolutely positioned element to crash</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<div
contenteditable
style="
border: blue 1px solid;
margin: 20px;
"
>
<div
style="
border: red 1px dashed;
background-color: rgba(255, 0, 0, 0.3);
position: absolute;
width: 100px;
height: 100px;
overflow: auto;
"
>
This is absolutely positioned element.
</div>
<p>This is static positioned paragraph #1</p>
<p>This is static positioned paragraph #2</p>
<p>This is static positioned paragraph #3</p>
<p>This is static positioned paragraph #4</p>
<p>This is static positioned paragraph #5</p>
<p>This is static positioned paragraph #6</p>
<p>This is static positioned paragraph #7</p>
</div>
<script>
"use strict";
document.execCommand("enableAbsolutePositionEditing", false, true);
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(async () => {
disableNonTestMouseEvents(true);
try {
document.querySelector("div[contenteditable").focus();
function promiseSelectionChange() {
return new Promise(resolve => {
document.addEventListener("selectionchange", () => {
resolve();
}, {once: true});
});
}
let absContainer = document.querySelector("div > div");
let rect = absContainer.getBoundingClientRect();
// We still don't have a way to retrieve the grabber. Therefore, we need
// to compute a point in the grabber from the absolutely positioned
// element's top-left coordinates.
const kOffsetX = 18;
const kOffsetY = -7;
let waitForSelectionChange = promiseSelectionChange();
synthesizeMouseAtCenter(absContainer, {});
await waitForSelectionChange;
synthesizeMouse(absContainer, kOffsetX, kOffsetY, {type: "mousedown"});
ok(absContainer.hasAttribute("_moz_abspos"), "Mousedown on the grabber should make it in drag mode");
synthesizeMouseAtPoint(100, 100, {type: "mousemove"});
synthesizeMouseAtPoint(100, 100, {type: "mouseup"});
isnot(absContainer.getBoundingClientRect().x, rect.x,
"The absolutely positioned container should be moved along x-axis");
isnot(absContainer.getBoundingClientRect().y, rect.y,
"The absolutely positioned container should be moved along y-axis");
rect = absContainer.getBoundingClientRect();
synthesizeMouse(absContainer, kOffsetX, kOffsetY, {type: "mousedown"});
ok(absContainer.hasAttribute("_moz_abspos"), "Mousedown on the grabber should make it in drag mode again");
document.execCommand("enableAbsolutePositionEditing", false, false);
ok(!absContainer.hasAttribute("_moz_abspos"), "Disabling the grabber makes it not in drag mode (before mouse move)");
synthesizeMouseAtPoint(50, 50, {type: "mousemove"});
synthesizeMouseAtPoint(50, 50, {type: "mouseup"});
is(absContainer.getBoundingClientRect().x, rect.x,
"The absolutely positioned container shouldn't be moved along x-axis due to the UI is killed by the web app (before mouse move)");
is(absContainer.getBoundingClientRect().y, rect.y,
"The absolutely positioned container shouldn't be moved along y-axis due to the UI is killed by the web app (before mouse move)");
document.execCommand("enableAbsolutePositionEditing", false, true);
rect = absContainer.getBoundingClientRect();
synthesizeMouse(absContainer, kOffsetX, kOffsetY, {type: "mousedown"});
ok(absContainer.hasAttribute("_moz_abspos"), "Mousedown on the grabber should make it in drag mode again");
document.execCommand("enableAbsolutePositionEditing", false, false);
synthesizeMouseAtPoint(50, 50, {type: "mousemove"});
ok(!absContainer.hasAttribute("_moz_abspos"), "Disabling the grabber makes it not in drag mode (during mouse move)");
synthesizeMouseAtPoint(50, 50, {type: "mousemove"});
synthesizeMouseAtPoint(50, 50, {type: "mouseup"});
is(absContainer.getBoundingClientRect().x, rect.x,
"The absolutely positioned container shouldn't be moved along x-axis due to the UI is killed by the web app (during mouse move)");
is(absContainer.getBoundingClientRect().y, rect.y,
"The absolutely positioned container shouldn't be moved along y-axis due to the UI is killed by the web app (during mouse move)");
} finally {
disableNonTestMouseEvents(false);
SimpleTest.finish();
}
});
</script>
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