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1 <!DOCTYPE HTML> |
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2 <html> |
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3 <!-- |
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4 https://bugzilla.mozilla.org/show_bug.cgi?id=444722 |
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5 --> |
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6 <head> |
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7 <title>Test for the ElementTraversal spec</title> |
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8 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> |
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9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> |
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10 </head> |
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11 <body> |
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12 <a target="_blank" href="http://dev.w3.org/2006/webapi/ElementTraversal/publish/ElementTraversal.html">ElementTraversal</a> |
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13 <div id="content" style="display: none"> |
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14 <span>span</span><div>div</div> |
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15 <!--comment goes here--> |
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16 <p id="p1">p1</p> |
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17 text here |
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18 <p id="p2">p2</p> |
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19 <span>a<span>b</span>c<span>d</span>e</span> |
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20 </div> |
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21 <pre id="test"> |
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22 <script class="testbody" type="text/javascript"> |
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23 |
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24 var c = document.getElementById('content'); |
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25 var cc = c.children; |
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26 |
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27 var contents = ["span", "div", "p1", "p2", "abcde"]; |
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28 function testContent() { |
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29 for(i = 0, e = c.firstElementChild; e; e = e.nextElementSibling, i++) { |
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30 is(e.textContent, contents[i], "wrong element contents"); |
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31 is(e, c.children[i], "wrong element"); |
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32 is(e, c.children.item(i), "wrong element"); |
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33 } |
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34 is(i, contents.length, "wrong number of element siblings"); |
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35 is(i, c.childElementCount, "wrong number of child elements"); |
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36 is(i, c.children.length, "wrong number of child elements"); |
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37 |
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38 // Nuke all elements to retest the child list. |
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39 c.innerHTML = c.innerHTML; |
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40 |
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41 for(i--, e = c.lastElementChild; e; e = e.previousElementSibling, i--) { |
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42 is(e.textContent, contents[i], "g element contents"); |
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43 is(e, c.children[i], "wrong element"); |
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44 is(e, c.children.item(i), "wrong element"); |
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45 } |
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46 is(i, -1, "wrong number of element siblings"); |
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47 } |
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48 |
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49 testContent(); |
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50 |
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51 is(cc.length, 5, "wrong number of child elements"); |
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52 is(c.childElementCount, 5, "wrong number of child elements"); |
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53 |
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54 var p1 = document.getElementById('p1'); |
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55 var p2 = document.getElementById('p2'); |
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56 is(p1.nextElementSibling, p2, "wrong sibling"); |
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57 is(p2.previousElementSibling, p1, "wrong sibling"); |
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58 |
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59 u = document.createElement('u'); |
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60 u.textContent = 'u'; |
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61 c.insertBefore(u, p2); |
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62 is(cc.length, 6, "wrong number of child elements"); |
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63 is(c.childElementCount, 6, "wrong number of child elements"); |
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64 is(p1.nextElementSibling, u, "wrong sibling"); |
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65 is(p2.previousElementSibling, u, "wrong sibling"); |
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66 |
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67 contents.splice(3, 0, "u"); |
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68 testContent(); |
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69 |
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70 var p1 = document.getElementById('p1'); |
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71 var p2 = document.getElementById('p2'); |
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72 c.removeChild(p1); |
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73 c.removeChild(p2); |
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74 is(cc.length, 4, "wrong number of child elements"); |
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75 is(c.childElementCount, 4, "wrong number of child elements"); |
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76 |
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77 contents.splice(2, 1); |
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78 contents.splice(3, 1); |
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79 testContent(); |
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80 |
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81 tw = document.createTreeWalker(document.documentElement, |
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82 NodeFilter.SHOW_ELEMENT, |
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83 null); |
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84 e = document.documentElement; |
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85 |
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86 elemsTested = 0; |
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87 done = false; |
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88 while(!done) { |
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89 is(tw.currentNode, e, "wrong element:" + tw.currentNode + " != " + e); |
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90 elemsTested++; |
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91 |
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92 if(tw.firstChild()) { |
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93 e = e.firstElementChild; |
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94 } |
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95 else { |
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96 while (!tw.nextSibling()) { |
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97 if (!tw.parentNode()) { |
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98 done = true; |
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99 break; |
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100 } |
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101 e = e.parentNode; |
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102 } |
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103 e = e.nextElementSibling; |
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104 } |
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105 } |
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106 is(elemsTested, document.getElementsByTagName("*").length, |
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107 "wrong number of elements"); |
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108 </script> |
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109 </pre> |
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110 </body> |
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111 </html> |