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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=969460
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 969460</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="text/javascript" src="property_database.js"></script>
+ <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=969460">Mozilla Bug 969460</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+ <div id="float" style="float: left"></div>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 969460: Test that "display" on the root node is computed
+ using the same conversion that we use for display on floated elements **/
+
+function test_display_value(val)
+{
+ var floatElem = document.getElementById("float");
+ floatElem.style.display = val;
+ var floatConversion = window.getComputedStyle(floatElem, null).display;
+ floatElem.style.display = "";
+
+ var rootNode = document.documentElement;
+ rootNode.style.display = val;
+ rootNode.offsetHeight; // (Flush layout, to be sure layout can handle 'val')
+ var rootConversion = window.getComputedStyle(rootNode, null).display;
+ rootNode.style.display = "";
+
+ // Special case: "display:list-item" does not get modified by 'float',
+ // but the spec allows us to convert it to 'block' on the root node
+ // (and we do convert it, so that we don't have to support documents whose
+ // root node is a list-item).
+ if (val == "list-item") {
+ is(floatConversion, val, "'float' shouldn't affect 'display:list-item'");
+ is(rootConversion, "block",
+ "We traditionally convert 'display:list-item' on the root node to " +
+ "'display:block' (though if that changes, it's not technically a bug, " +
+ "as long as we support it properly).");
+ } else if (val == "contents") {
+ is(floatConversion, val, "'float' shouldn't affect 'display:contents'");
+ is(rootConversion, "block",
+ "'display:contents' on the root node computes to block-level per" +
+ "http://dev.w3.org/csswg/css-display/#transformations");
+ } else {
+ is(rootConversion, floatConversion,
+ "root node should make 'display:" + val + "' compute to the same " +
+ "value that it computes to on a floated element");
+ }
+}
+
+var displayInfo = gCSSProperties["display"];
+displayInfo.initial_values.forEach(test_display_value);
+displayInfo.other_values.forEach(test_display_value);
+
+</script>
+</pre>
+</body>
+</html>