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95 lines
2.9 KiB
HTML
95 lines
2.9 KiB
HTML
<!DOCTYPE html>
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<meta charset=utf-8>
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<title>CharacterData.deleteData</title>
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<link rel=help href="https://dom.spec.whatwg.org/#dom-characterdata-deletedata">
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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("INDEX_SIZE_ERR", function() { node.deleteData(5, 10) })
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assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(5, 0) })
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assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 10) })
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assert_throws("INDEX_SIZE_ERR", function() { node.deleteData(-1, 0) })
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}, type + ".deleteData() out of bounds")
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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.deleteData(0, 2)
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assert_equals(node.data, "st")
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}, type + ".deleteData() at the start")
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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.deleteData(2, 10)
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assert_equals(node.data, "te")
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}, type + ".deleteData() at the end")
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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.deleteData(1, 1)
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assert_equals(node.data, "tst")
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}, type + ".deleteData() in the middle")
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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.deleteData(2, 0)
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assert_equals(node.data, "test")
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node.deleteData(0, 0)
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assert_equals(node.data, "test")
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}, type + ".deleteData() 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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node.deleteData(2, -1)
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assert_equals(node.data, "te")
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}, type + ".deleteData() with small 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.deleteData(1, -0x100000000 + 2)
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assert_equals(node.data, "tt")
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}, type + ".deleteData() with large negative count")
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test(function() {
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var node = create()
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node.data = "This is the character data test, append more 資料，更多測試資料";
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node.deleteData(40, 5);
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assert_equals(node.data, "This is the character data test, append 資料，更多測試資料");
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node.deleteData(45, 2);
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assert_equals(node.data, "This is the character data test, append 資料，更多資料");
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}, type + ".deleteData() 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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node.deleteData(5, 8); // Counting UTF-16 code units
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assert_equals(node.data, "🌠 teST");
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}, type + ".deleteData() 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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