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84 lines
3.2 KiB
HTML
84 lines
3.2 KiB
HTML
<!DOCTYPE html>
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<title>Node.normalize()</title>
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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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test(function() {
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var df = document.createDocumentFragment(),
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t1 = document.createTextNode("1"),
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t2 = document.createTextNode("2"),
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t3 = document.createTextNode("3"),
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t4 = document.createTextNode("4")
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df.appendChild(t1)
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df.appendChild(t2)
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assert_equals(df.childNodes.length, 2)
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assert_equals(df.textContent, "12")
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var el = document.createElement('x')
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df.appendChild(el)
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el.appendChild(t3)
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el.appendChild(t4)
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document.normalize()
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assert_equals(el.childNodes.length, 2)
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assert_equals(el.textContent, "34")
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assert_equals(df.childNodes.length, 3)
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assert_equals(t1.data, "1")
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df.normalize()
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assert_equals(df.childNodes.length, 2)
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assert_equals(df.firstChild, t1)
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assert_equals(t1.data, "12")
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assert_equals(t2.data, "2")
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assert_equals(el.firstChild, t3)
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assert_equals(t3.data, "34")
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assert_equals(t4.data, "4")
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})
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// https://www.w3.org/Bugs/Public/show_bug.cgi?id=19837
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test(function() {
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var div = document.createElement("div")
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var t1 = div.appendChild(document.createTextNode(""))
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var t2 = div.appendChild(document.createTextNode("a"))
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var t3 = div.appendChild(document.createTextNode(""))
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assert_array_equals(div.childNodes, [t1, t2, t3])
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div.normalize();
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assert_array_equals(div.childNodes, [t2])
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}, "Empty text nodes separated by a non-empty text node")
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test(function() {
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var div = document.createElement("div")
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var t1 = div.appendChild(document.createTextNode(""))
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var t2 = div.appendChild(document.createTextNode(""))
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assert_array_equals(div.childNodes, [t1, t2])
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div.normalize();
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assert_array_equals(div.childNodes, [])
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}, "Empty text nodes")
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// The specification for normalize is clear that only "exclusive Text
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// nodes" are to be modified. This excludes CDATASection nodes, which
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// derive from Text. Naïve implementations may fail to skip
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// CDATASection nodes, or even worse, try to test textContent or
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// nodeValue without taking care to check the node type. They will
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// fail this test.
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test(function() {
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// We create an XML document so that we can create CDATASection.
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// Except for the CDATASection the result should be the same for
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// an HTML document. (No non-Text node should be touched.)
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var doc = new DOMParser().parseFromString("<div/>", "text/xml")
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var div = doc.documentElement
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var t1 = div.appendChild(doc.createTextNode("a"))
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// The first parameter is the "target" of the processing
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// instruction, and the 2nd is the text content.
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var t2 = div.appendChild(doc.createProcessingInstruction("pi", ""))
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var t3 = div.appendChild(doc.createTextNode("b"))
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var t4 = div.appendChild(doc.createCDATASection(""))
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var t5 = div.appendChild(doc.createTextNode("c"))
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var t6 = div.appendChild(doc.createComment(""))
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var t7 = div.appendChild(doc.createTextNode("d"))
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var t8 = div.appendChild(doc.createElement("el"))
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var t9 = div.appendChild(doc.createTextNode("e"))
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var expected = [t1, t2, t3, t4, t5, t6, t7, t8, t9]
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assert_array_equals(div.childNodes, expected)
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div.normalize()
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assert_array_equals(div.childNodes, expected)
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}, "Non-text nodes with empty textContent values.")
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</script>
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