blob: 7266ea3c86077cbcd155f9d82b90f897331742d9 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<title>Selections in hidden elements</title>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
</head>
<body>
<style>
container, my-text {
display: block;
}
.hide {
position:relative;
overflow:hidden;
height:0px;
width:10px;
}
.select {
height:11px;
width:1px;
padding:0px;
border:1px solid blue;
box-sizing:content-box;
overflow:hidden;
}
.abs {
position: absolute;
}
.borderBox {
box-sizing:border-box;
}
</style>
<container>
<textarea class=select>test text</textarea>
<my-text class=select>test text</my-text>
</container>
<script>
function checkSelectable(element, expected)
{
var selection = document.getSelection();
if (element.select)
element.select();
else
selection.selectAllChildren(element);
var selectionText = selection.toString();
if (expected)
assert_equals(selectionText, "test text");
else
assert_equals(selectionText, "");
}
var textarea = document.querySelector("textarea");
var myText = document.querySelector("my-text");
test(function () {
checkSelectable(textarea, true);
}, "Selecting in barely visible textarea");
test(function () {
checkSelectable(myText, true);
}, "Selecting in barely visible div");
document.querySelector("container").classList.add("hide");
test(function () {
checkSelectable(textarea, false);
}, "Selecting in textarea hidden by container");
test(function () {
checkSelectable(myText, false);
}, "Selecting in div hidden by container");
textarea.classList.add("abs");
myText.classList.add("abs");
test(function () {
checkSelectable(textarea, true);
}, "Selecting in absolute positioned textarea hidden by container");
test(function () {
checkSelectable(myText, true);
}, "Selecting in absolute positioned div hidden by container");
textarea.classList.add("borderBox");
myText.classList.add("borderBox");
test(function () {
checkSelectable(textarea, true);
}, "Selecting in absolute positioned zero content width textarea hidden by container (quirk behavior)");
test(function () {
checkSelectable(myText, false);
}, "Selecting in absolute positioned zero content width div hidden by container");
</script>
</body>
</html>