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1 <!DOCTYPE HTML> |
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2 <html> |
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3 <body style="height:2000px; margin:0; overflow:hidden"> |
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4 <div style="height:1000px; background:url(repeatable-diagonal-gradient.png) fixed repeat-x; opacity:0.5"></div> |
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5 <script type="application/javascript"> |
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6 var topElements = document.getElementsByClassName("scrollTop"); |
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7 if (!topElements.length) { |
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8 topElements = [document.documentElement]; |
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9 } |
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10 |
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11 var failed = false; |
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12 |
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13 function doScroll(d) |
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14 { |
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15 if (failed) |
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16 return; |
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17 for (var i = 0; i < topElements.length; ++i) { |
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18 var e = topElements[i]; |
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19 e.scrollTop = d; |
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20 if (e.scrollTop != d) { |
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21 document.documentElement.textContent = |
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22 "Scrolling failed on " + e.tagName + " element, " + |
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23 "tried to scroll to " + d + ", got " + e.scrollTop + |
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24 " (Random number: " + Math.random() + ")"; |
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25 failed = true; |
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26 } |
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27 } |
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28 } |
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29 |
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30 if (document.location.search == '?ref') { |
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31 doScroll(700); |
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32 } else { |
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33 doScroll(800); |
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34 document.documentElement.setAttribute("class", "reftest-wait"); |
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35 window.addEventListener("MozReftestInvalidate", function() { |
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36 document.documentElement.removeAttribute("class"); |
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37 doScroll(700); |
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38 }, false); |
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39 } |
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40 </script> |
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41 </body> |
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42 </html> |