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<!DOCTYPE HTML>
<html>
<head>
  <title>Test for correct handling of aStartStruct parameter to nsRuleNode::Compute*Data</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="text/javascript" src="property_database.js"></script>
  <style type="text/css" id="stylesheet"></style>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=216456">Mozilla Bug 216456</a>
<p id="display">
  <span id="base"></span>
  <span id="test"></span>
</p>
<div id="content" style="display: none">
  
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

function xfail_computecheck(prop, roundnum) {
    return false;
}

function xfail_test(prop, roundnum) {
    return false;
}

var gStyleSheet = document.getElementById("stylesheet").sheet;
var gRule1 = gStyleSheet.cssRules[gStyleSheet.insertRule("#base, #test {}", gStyleSheet.cssRules.length)];
var gRule2 = gStyleSheet.cssRules[gStyleSheet.insertRule("#test {}", gStyleSheet.cssRules.length)];

var gBase = getComputedStyle(document.getElementById("base"), "");
var gTest = getComputedStyle(document.getElementById("test"), "");

function round(lower_set, higher_set, roundnum) {

  for (var prop in gCSSProperties) {
    var info = gCSSProperties[prop];
    if (info.backend_only || info.subproperties || info.get_computed)
      continue;
    gRule1.style.setProperty(prop, info[lower_set][0], "");
    gRule2.style.setProperty(prop, info[higher_set][0], "");
  }

  for (var prop in gCSSProperties) {
    var info = gCSSProperties[prop];
    if (info.backend_only || info.subproperties || info.get_computed)
      continue;

    if ("prerequisites" in info) {
      for (var prereq in info.prerequisites) {
        gRule2.style.setProperty(prereq, info.prerequisites[prereq], "");
      }
    }

    gBase.getPropertyValue(prop);
    var higher_set_val = gTest.getPropertyValue(prop);
    gRule2.style.setProperty(prop, info[lower_set][0], "");
    var lower_set_val = gTest.getPropertyValue(prop);
    (xfail_computecheck(prop, roundnum) ? todo_isnot : isnot)(higher_set_val, lower_set_val, "initial and other values of " + prop + " are different");
    gRule2.style.removeProperty(prop);
    (xfail_test(prop, roundnum) ? todo_is : is)(gTest.getPropertyValue(prop), lower_set_val, prop + " is not touched when its value comes from aStartStruct");

    gRule2.style.setProperty(prop, info[higher_set][0], "");
    if ("prerequisites" in info) {
      for (var prereq in info.prerequisites) {
        gRule2.style.setProperty(prereq, gCSSProperties[prereq][higher_set][0], "");
      }
    }
  }
}

round("other_values", "initial_values", 1);
round("initial_values", "other_values", 2);

</script>
</pre>
</body>
</html>