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+<html>
+
+<head>
+ <title>Testing HTML scrollable frames (css overflow style)</title>
+
+ <link rel="stylesheet" type="text/css"
+ href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+
+ <script type="application/javascript"
+ src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+
+ <script type="application/javascript"
+ src="../common.js"></script>
+ <script type="application/javascript"
+ src="../role.js"></script>
+ <script type="application/javascript"
+ src="../events.js"></script>
+
+ <script type="application/javascript">
+
+ ////////////////////////////////////////////////////////////////////////////
+ // Invokers
+ ////////////////////////////////////////////////////////////////////////////
+
+ /**
+ * Change scroll range to not empty size and inserts a child into container
+ * to trigger tree update of the container. Prior to bug 677154 not empty
+ * size resulted to accessible creation for scroll area, container tree
+ * update picked up that accessible unattaching scroll area accessible
+ * subtree.
+ */
+ function changeScrollRange(aContainerID, aScrollAreaID)
+ {
+ this.containerNode = getNode(aContainerID);
+ this.container = getAccessible(this.containerNode);
+ this.scrollAreaNode = getNode(aScrollAreaID);
+
+ this.eventSeq = [
+ new invokerChecker(EVENT_REORDER, this.container)
+ ];
+
+ this.invoke = function changeScrollRange_invoke()
+ {
+ this.scrollAreaNode.style.width = "20px";
+ this.containerNode.appendChild(document.createElement("input"));
+ }
+
+ this.finalCheck = function changeScrollRange_finalCheck()
+ {
+ var accTree =
+ { SECTION: [ // container
+ { SECTION: [ // scroll area
+ { ENTRY: [] } // child content
+ ] },
+ { ENTRY: [] } // inserted input
+ ] };
+ testAccessibleTree(this.container, accTree);
+ }
+
+ this.getID = function changeScrollRange_getID()
+ {
+ return "change scroll range for " + prettyName(aScrollAreaID);
+ }
+ }
+
+ /**
+ * Change scrollbar styles from hidden to auto. That makes us to create an
+ * accessible for scroll area.
+ */
+ function changeScrollbarStyles(aContainerID, aScrollAreaID)
+ {
+ this.container = getAccessible(aContainerID);
+ this.scrollAreaNode = getNode(aScrollAreaID);
+
+ this.eventSeq = [
+ new invokerChecker(EVENT_SHOW, getAccessible, this.scrollAreaNode),
+ new invokerChecker(EVENT_REORDER, this.container)
+ ];
+
+ this.invoke = function changeScrollbarStyles_invoke()
+ {
+ var accTree =
+ { SECTION: [] };
+ testAccessibleTree(this.container, accTree);
+
+ this.scrollAreaNode.style.overflow = "auto";
+ }
+
+ this.finalCheck = function changeScrollbarStyles_finalCheck()
+ {
+ var accTree =
+ { SECTION: [ // container
+ { SECTION: [] } // scroll area
+ ] };
+ testAccessibleTree(this.container, accTree);
+ }
+
+ this.getID = function changeScrollbarStyles_getID()
+ {
+ return "change scrollbar styles " + prettyName(aScrollAreaID);
+ }
+ }
+
+ ////////////////////////////////////////////////////////////////////////////
+ // Do tests
+ ////////////////////////////////////////////////////////////////////////////
+
+ var gQueue = null;
+ //gA11yEventDumpID = "eventdump"; // debug stuff
+ //gA11yEventDumpToConsole = true;
+
+ function doTests()
+ {
+ gQueue = new eventQueue();
+
+ gQueue.push(new changeScrollRange("container", "scrollarea"));
+ gQueue.push(new changeScrollbarStyles("container2", "scrollarea2"));
+
+ gQueue.invoke(); // Will call SimpleTest.finish();
+ }
+
+ SimpleTest.waitForExplicitFinish();
+ addA11yLoadEvent(doTests);
+ </script>
+</head>
+
+<body>
+
+ <a target="_blank"
+ href="https://bugzilla.mozilla.org/show_bug.cgi?id=677154"
+ title="Detached document accessibility tree">
+ Mozilla Bug 677154</a>
+
+ <p id="display"></p>
+ <div id="content" style="display: none"></div>
+ <pre id="test">
+ </pre>
+ <div id="eventdump"></div>
+
+ <div id="container"><div id="scrollarea" style="overflow:auto;"><input></div></div>
+ <div id="container2"><div id="scrollarea2" style="overflow:hidden;"></div></div>
+</body>
+</html>