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+<html>
+
+<head>
+  <title>Accessible value change events testing</title>
+
+  <link rel="stylesheet" type="text/css"
+        href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
+
+  <script type="application/javascript"
+          src="../common.js"></script>
+  <script type="application/javascript"
+          src="../events.js"></script>
+
+  <script type="application/javascript"
+          src="../value.js"></script>
+
+  <script type="application/javascript">
+    /**
+     * Do tests.
+     */
+    var gQueue = null;
+
+    // Value change invoker
+    function changeARIAValue(aNodeOrID, aValuenow, aValuetext) {
+      this.DOMNode = getNode(aNodeOrID);
+      this.eventSeq = [ new invokerChecker(aValuetext ?
+                                           EVENT_TEXT_VALUE_CHANGE :
+                                           EVENT_VALUE_CHANGE, this.DOMNode),
+        ];
+
+      this.invoke = function changeARIAValue_invoke() {
+        // Note: this should not fire an EVENT_VALUE_CHANGE when aria-valuetext
+        // is not empty
+        if (aValuenow != undefined)
+          this.DOMNode.setAttribute("aria-valuenow", aValuenow);
+
+        // Note: this should always fire an EVENT_VALUE_CHANGE
+        if (aValuetext != undefined)
+          this.DOMNode.setAttribute("aria-valuetext", aValuetext);
+      };
+
+      this.check = function changeARIAValue_check() {
+        var acc = getAccessible(aNodeOrID, [nsIAccessibleValue]);
+        if (!acc)
+          return;
+
+        // Note: always test against valuetext first because the existence of
+        // aria-valuetext takes precedence over aria-valuenow in gecko.
+        is(acc.value, (aValuetext != undefined) ? aValuetext : aValuenow,
+            "Wrong value of " + prettyName(aNodeOrID));
+      };
+
+      this.getID = function changeARIAValue_getID() {
+        return prettyName(aNodeOrID) + " value changed";
+      };
+    }
+
+    function changeValue(aID, aValue) {
+      this.DOMNode = getNode(aID);
+      this.eventSeq = [new invokerChecker(EVENT_TEXT_VALUE_CHANGE,
+                                          this.DOMNode),
+        ];
+
+      this.invoke = function changeValue_invoke() {
+        this.DOMNode.value = aValue;
+      };
+
+      this.check = function changeValue_check() {
+        var acc = getAccessible(this.DOMNode);
+        is(acc.value, aValue, "Wrong value for " + prettyName(aID));
+      };
+
+      this.getID = function changeValue_getID() {
+        return prettyName(aID) + " value changed";
+      };
+    }
+
+    function changeProgressValue(aID, aValue) {
+      this.DOMNode = getNode(aID);
+      this.eventSeq = [new invokerChecker(EVENT_VALUE_CHANGE, this.DOMNode)];
+
+      this.invoke = function changeProgressValue_invoke() {
+         this.DOMNode.value = aValue;
+      };
+
+      this.check = function changeProgressValue_check() {
+        var acc = getAccessible(this.DOMNode);
+        is(acc.value, aValue + "%", "Wrong value for " + prettyName(aID));
+      };
+
+      this.getID = function changeProgressValue_getID() {
+        return prettyName(aID) + " value changed";
+      };
+    }
+
+    function changeRangeValue(aID) {
+      this.DOMNode = getNode(aID);
+      this.eventSeq = [new invokerChecker(EVENT_VALUE_CHANGE, this.DOMNode)];
+
+      this.invoke = function changeRangeValue_invoke() {
+        synthesizeMouse(getNode(aID), 5, 5, { });
+      };
+
+      this.finalCheck = function changeRangeValue_finalCheck() {
+        var acc = getAccessible(this.DOMNode);
+        is(acc.value, "0", "Wrong value for " + prettyName(aID));
+      };
+
+      this.getID = function changeRangeValue_getID() {
+        return prettyName(aID) + " range value changed";
+      };
+    }
+
+    function changeSelectValue(aID, aKey, aValue) {
+      this.eventSeq =
+        [ new invokerChecker(EVENT_TEXT_VALUE_CHANGE, getAccessible(aID)) ];
+
+      this.invoke = function changeSelectValue_invoke() {
+        getAccessible(aID).takeFocus();
+        synthesizeKey(aKey, {}, window);
+      };
+
+      this.finalCheck = function changeSelectValue_finalCheck() {
+        is(getAccessible(aID).value, aValue, "Wrong value for " + prettyName(aID));
+      };
+
+      this.getID = function changeSelectValue_getID() {
+        return `${prettyName(aID)} closed select value change on '${aKey}'' key press`;
+      };
+    }
+
+    // enableLogging("DOMEvents");
+    // gA11yEventDumpToConsole = true;
+    function doTests() {
+      // Test initial values
+      testValue("slider_vn", "5", 5, 0, 1000, 0);
+      testValue("slider_vnvt", "plain", 0, 0, 5, 0);
+      testValue("slider_vt", "hi", 1.5, 0, 3, 0);
+      testValue("scrollbar", "5", 5, 0, 1000, 0);
+      testValue("splitter", "5", 5, 0, 1000, 0);
+      testValue("progress", "22%", 22, 0, 100, 0);
+      testValue("range", "6", 6, 0, 10, 1);
+
+      // Test that elements which should not expose values do not
+      let separatorVal = getAccessible("separator", [nsIAccessibleValue], null, DONOTFAIL_IF_NO_INTERFACE);
+      ok(!separatorVal, "value interface is not exposed for separator");
+      let separatorAcc = getAccessible("separator");
+      ok(!separatorAcc.value, "Value text is not exposed for separator");
+
+      // Test value change events
+      gQueue = new eventQueue();
+
+      gQueue.push(new changeARIAValue("slider_vn", "6", undefined));
+      gQueue.push(new changeARIAValue("slider_vt", undefined, "hey!"));
+      gQueue.push(new changeARIAValue("slider_vnvt", "3", "sweet"));
+      gQueue.push(new changeARIAValue("scrollbar", "6", undefined));
+      gQueue.push(new changeARIAValue("splitter", "6", undefined));
+
+      gQueue.push(new changeValue("combobox", "hello"));
+
+      gQueue.push(new changeProgressValue("progress", "50"));
+      gQueue.push(new changeRangeValue("range"));
+
+      gQueue.push(new changeSelectValue("select", "VK_DOWN", "2nd"));
+      gQueue.push(new changeSelectValue("select", "3", "3rd"));
+
+      let iframeSelect = getAccessible("selectIframe").firstChild.firstChild;
+      gQueue.push(new changeSelectValue(iframeSelect, "VK_DOWN", "2"));
+
+      let shadowSelect = getAccessible("selectShadow").firstChild;
+      gQueue.push(new changeSelectValue(shadowSelect, "VK_DOWN", "2"));
+
+      gQueue.push(new changeValue("number", "2"));
+
+      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=478032"
+     title=" Fire delayed value changed event for aria-valuetext changes">
+    Mozilla Bug 478032
+  </a>
+  <a target="_blank"
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=529289"
+    title="We dont expose new aria role 'scrollbar' and property aria-orientation">
+   Mozilla Bug 529289
+  </a>
+  <a target="_blank"
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=559764"
+    title="Make HTML5 input@type=range element accessible">
+   Mozilla Bug 559764
+  </a>
+  <a target="_blank"
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=703202"
+    title="ARIA comboboxes don't fire value change events">
+   Mozilla Bug 703202
+  </a>
+  <a target="_blank"
+    href="https://bugzilla.mozilla.org/show_bug.cgi?id=761901"
+    title=" HTML5 progress accessible should fire value change event">
+   Mozilla Bug 761901
+  </a>
+
+
+  <p id="display"></p>
+  <div id="content" style="display: none"></div>
+  <pre id="test">
+  </pre>
+  <div id="eventdump"></div>
+
+  <!-- ARIA sliders -->
+  <div id="slider_vn" role="slider" aria-valuenow="5"
+       aria-valuemin="0" aria-valuemax="1000">slider</div>
+
+  <div id="slider_vt" role="slider" aria-valuetext="hi"
+       aria-valuemin="0" aria-valuemax="3">greeting slider</div>
+
+  <div id="slider_vnvt" role="slider" aria-valuenow="0" aria-valuetext="plain"
+       aria-valuemin="0" aria-valuemax="5">sweetness slider</div>
+
+  <!-- ARIA scrollbar -->
+  <div id="scrollbar" role="scrollbar" aria-valuenow="5"
+       aria-valuemin="0" aria-valuemax="1000">slider</div>
+
+  <!-- ARIA separator which is focusable (i.e. a splitter) -->
+  <div id="splitter" role="separator" tabindex="0" aria-valuenow="5"
+       aria-valuemin="0" aria-valuemax="1000">splitter</div>
+
+  <!-- ARIA separator which is not focusable and should not expose values -->
+  <div id="separator" role="separator" aria-valuenow="5"
+       aria-valuemin="0" aria-valuemax="1000">splitter</div>
+
+  <!-- ARIA combobox -->
+  <input id="combobox" role="combobox" aria-autocomplete="inline">
+
+  <!-- progress bar -->
+  <progress id="progress" value="22" max="100"></progress>
+
+  <!-- input@type="range" -->
+  <input type="range" id="range" min="0" max="10" value="6">
+
+  <select id="select">
+    <option>1st</option>
+    <option>2nd</option>
+    <option>3rd</option>
+  </select>
+
+  <iframe id="selectIframe"
+    src="data:text/html,<select id='iframeSelect'><option>1</option><option>2</option></select>">
+  </iframe>
+
+  <div id="selectShadow"></div>
+  <script>
+    let host = document.getElementById("selectShadow");
+    let shadow = host.attachShadow({mode: "open"});
+    let select = document.createElement("select");
+    select.id = "shadowSelect";
+    let option = document.createElement("option");
+    option.textContent = "1";
+    select.appendChild(option);
+    option = document.createElement("option");
+    option.textContent = "2";
+    select.appendChild(option);
+    shadow.appendChild(select);
+  </script>
+
+  <input type="number" id="number" value="1">
+</body>
+</html>