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<!DOCTYPE html>
<meta charset=utf-8>
<title>CharacterData.appendData</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-appenddata">
<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(create, type) {
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData("bar")
assert_equals(node.data, "testbar")
}, type + ".appendData('bar')")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData("")
assert_equals(node.data, "test")
}, type + ".appendData('')")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData(", append more 資料，測試資料");
assert_equals(node.data, "test, append more 資料，測試資料");
assert_equals(node.length, 25);
}, type + ".appendData(non-ASCII)")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData(null)
assert_equals(node.data, "testnull")
}, type + ".appendData(null)")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData(undefined)
assert_equals(node.data, "testundefined")
}, type + ".appendData(undefined)")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.appendData("", "bar")
assert_equals(node.data, "test")
}, type + ".appendData('', 'bar')")
test(function() {
var node = create()
assert_equals(node.data, "test")
assert_throws(new TypeError(), function() { node.appendData() });
assert_equals(node.data, "test")
}, type + ".appendData()")
}
testNode(function() { return document.createTextNode("test") }, "Text")
testNode(function() { return document.createComment("test") }, "Comment")
</script>
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