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palemoon27/testing/web-platform/tests/dom/nodes/CharacterData-deleteData.html
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HTML

<!DOCTYPE html>
<meta charset=utf-8>
<title>CharacterData.deleteData</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-deletedata">
<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-data">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
function testNode(node) {
test(function() {
assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 10) })
assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 0) })
node.deleteData(2, 10)
assert_equals(node.data, "te")
})
test(function() {
node.data = "test"
assert_equals(node.data, "test")
node.deleteData(1, 1)
assert_equals(node.data, "tst")
})
}
test(function() {
testNode(document.createTextNode("test"))
testNode(document.createComment("test"))
})
</script>