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137 lines
4.5 KiB
HTML
137 lines
4.5 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>CharacterData.substringData</title>
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<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-substringdata">
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<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-data">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id="log"></div>
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<script>
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function testNode(create, type) {
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_throws(new TypeError(), function() { node.substringData() })
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assert_throws(new TypeError(), function() { node.substringData(0) })
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}, type + ".substringData() with too few arguments")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, 1, "test"), "t")
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}, type + ".substringData() with too many arguments")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_throws("IndexSizeError", function() { node.substringData(5, 0) })
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assert_throws("IndexSizeError", function() { node.substringData(6, 0) })
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assert_throws("IndexSizeError", function() { node.substringData(-1, 0) })
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}, type + ".substringData() with invalid offset")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, 1), "t")
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assert_equals(node.substringData(1, 1), "e")
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assert_equals(node.substringData(2, 1), "s")
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assert_equals(node.substringData(3, 1), "t")
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assert_equals(node.substringData(4, 1), "")
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}, type + ".substringData() with in-bounds offset")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, 0), "")
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assert_equals(node.substringData(1, 0), "")
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assert_equals(node.substringData(2, 0), "")
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assert_equals(node.substringData(3, 0), "")
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assert_equals(node.substringData(4, 0), "")
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}, type + ".substringData() with zero count")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0x100000000 + 0, 1), "t")
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assert_equals(node.substringData(0x100000000 + 1, 1), "e")
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assert_equals(node.substringData(0x100000000 + 2, 1), "s")
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assert_equals(node.substringData(0x100000000 + 3, 1), "t")
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assert_equals(node.substringData(0x100000000 + 4, 1), "")
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}, type + ".substringData() with very large offset")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(-0x100000000 + 2, 1), "s")
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}, type + ".substringData() with negative offset")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData("test", 3), "tes")
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}, type + ".substringData() with string offset")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, 1), "t")
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assert_equals(node.substringData(0, 2), "te")
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assert_equals(node.substringData(0, 3), "tes")
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assert_equals(node.substringData(0, 4), "test")
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}, type + ".substringData() with in-bounds count")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, 5), "test")
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assert_equals(node.substringData(2, 20), "st")
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}, type + ".substringData() with large count")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(2, 0x100000000 + 1), "s")
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}, type + ".substringData() with very large count")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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assert_equals(node.substringData(0, -1), "test")
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assert_equals(node.substringData(0, -0x100000000 + 2), "te")
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}, type + ".substringData() with negative count")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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node.data = "This is the character data test, other 資料，更多文字"
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assert_equals(node.substringData(12, 4), "char")
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assert_equals(node.substringData(39, 2), "資料")
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}, type + ".substringData() with non-ASCII data")
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test(function() {
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var node = create()
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assert_equals(node.data, "test")
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node.data = "🌠 test 🌠 TEST"
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assert_equals(node.substringData(5, 8), "st 🌠 TE") // Counting UTF-16 code units
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}, type + ".substringData() with non-BMP data")
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}
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testNode(function() { return document.createTextNode("test") }, "Text")
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testNode(function() { return document.createComment("test") }, "Comment")
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</script>
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