gecko-dev/editor/libeditor/tests/test_nsIEditor_isSelectionE...

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HTML

<!doctype html>
<title>Test for nsIEditor.isSelectionEditable</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<input>
<textarea></textarea>
<script>
for (let tag of ["input", "textarea"]) {
let node = document.querySelector(tag);
ok(SpecialPowers.wrap(node).editor.isSelectionEditable, "Empty editor selection should be editable");
node.value = "abcd";
ok(SpecialPowers.wrap(node).editor.isSelectionEditable, "Non-empty editor selection should be editable");
node.value = "";
ok(SpecialPowers.wrap(node).editor.isSelectionEditable, "Empty editor selection should be editable after setting value");
}
</script>