CharacterData-insertData.html
<!DOCTYPE html>
<meta charset=utf-8>
<title>CharacterData.insertData</title>
<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-insertdata">
<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")
assert_throws("INDEX_SIZE_ERR", function() { node.insertData(5, "x") })
assert_throws("INDEX_SIZE_ERR", function() { node.insertData(5, "") })
}, type + ".insertData() out of bounds")
test(function() {
var node = create()
assert_equals(node.data, "test")
assert_throws("INDEX_SIZE_ERR", function() { node.insertData(-1, "x") })
assert_throws("INDEX_SIZE_ERR", function() { node.insertData(-0x100000000 + 5, "x") })
}, type + ".insertData() negative out of bounds")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.insertData(-0x100000000 + 2, "X")
assert_equals(node.data, "teXst")
}, type + ".insertData() negative in bounds")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.insertData(0, "")
assert_equals(node.data, "test")
}, type + ".insertData('')")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.insertData(0, "X")
assert_equals(node.data, "Xtest")
}, type + ".insertData() at the start")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.insertData(2, "X")
assert_equals(node.data, "teXst")
}, type + ".insertData() in the middle")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.insertData(4, "ing")
assert_equals(node.data, "testing")
}, type + ".insertData() at the end")
test(function() {
var node = create()
node.data = "This is the character data, append more 資料,測試資料";
node.insertData(26, " test");
assert_equals(node.data, "This is the character data test, append more 資料,測試資料");
node.insertData(48, "更多");
assert_equals(node.data, "This is the character data test, append more 資料,更多測試資料");
}, type + ".insertData() with non-ascii data")
test(function() {
var node = create()
assert_equals(node.data, "test")
node.data = "🌠 test 🌠 TEST"
node.insertData(5, "--"); // Counting UTF-16 code units
assert_equals(node.data, "🌠 te--st 🌠 TEST");
}, type + ".insertData() with non-BMP data")
}
testNode(function() { return document.createTextNode("test") }, "Text")
testNode(function() { return document.createComment("test") }, "Comment")
</script>