<script type="text/javascript">
function init() { var elem = document.getElementById('body');
elem.addEventListener('mousedown', mousedown, true);
} var seen_mousedown = 0;
function mousedown(event) { var doc = event.target.ownerDocument; var win = doc.defaultView; var elem = doc.getElementById('body'); var selection = win.getSelection();
if (selection.rangeCount>0) { var ragne = selection.getRangeAt(0); var rect = ragne.getBoundingClientRect(); var p = elem.parentNode.appendChild(doc.createElement('p'));
p.textContent = "width: " + (rect.right -rect.left);
}
++seen_mousedown;
}
</script>
</div>
<pre id="test">
1.Start Minefield with New Profile.
2.Select texts by alt + mouse dragging horizontaly from 'd' in the link above to far right of window.
3.Click on the selected text
4.Click empty area of page
5.Repeat STEP 2 to 4 till browser crashes. (at least 5 times)
<script type="application/javascript">
/** Test for Bug 560780 **/
function selectByMouseThenClick(elm,startx,starty) {
// select some text var ctrl = !!navigator.platform.indexOf("Linux"); var alt = true; var x = startx;
synthesizeMouse(elm, x, starty, { type:"mousedown", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x += 100, starty, { type:"mousemove", ctrlKey:ctrl, altKey:alt });
synthesizeMouse(elm, x, starty, { type:"mouseup", ctrlKey:ctrl, altKey:alt });
// click on the selection
synthesizeMouse(elm, startx + 10, starty + 1, {});
// click empty area of the page
synthesizeMouse(document.getElementById('body'), 800, 800, {});
}
function runTest() { var e = document.getElementById('testlink');
selectByMouseThenClick(e,110,5);
selectByMouseThenClick(e,90,5);
selectByMouseThenClick(e,70,5);
selectByMouseThenClick(e,50,5);
selectByMouseThenClick(e,30,5);
selectByMouseThenClick(e,10,5);
is(seen_mousedown, 12, "got the mousedown events");
SimpleTest.finish();
}
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noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
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