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| -rw-r--r-- | accessible/tests/mochitest/events/test_namechange.html | 185 |
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diff --git a/accessible/tests/mochitest/events/test_namechange.html b/accessible/tests/mochitest/events/test_namechange.html new file mode 100644 index 0000000000..840e2dfb4f --- /dev/null +++ b/accessible/tests/mochitest/events/test_namechange.html @@ -0,0 +1,185 @@ +<html> + +<head> + <title>Accessible name change event 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="../role.js"></script> + <script type="application/javascript" + src="../states.js"></script> + + <script type="application/javascript"> + let PromEvents = {}; + Services.scriptloader.loadSubScript( + "chrome://mochitests/content/a11y/accessible/tests/mochitest/promisified-events.js", + PromEvents); + + // ////////////////////////////////////////////////////////////////////////// + // Invokers + + function setAttr(aID, aAttr, aValue, aChecker) { + this.eventSeq = [ aChecker ]; + this.invoke = function setAttr_invoke() { + getNode(aID).setAttribute(aAttr, aValue); + }; + + this.getID = function setAttr_getID() { + return "set attr '" + aAttr + "', value '" + aValue + "'"; + }; + } + + /** + * No name change on an accessible, because the accessible is recreated. + */ + function setAttr_recreate(aID, aAttr, aValue) { + this.eventSeq = [ + new invokerChecker(EVENT_HIDE, getAccessible(aID)), + new invokerChecker(EVENT_SHOW, aID), + ]; + this.invoke = function setAttr_recreate_invoke() { + todo(false, "No accessible recreation should happen, just name change event"); + getNode(aID).setAttribute(aAttr, aValue); + }; + + this.getID = function setAttr_recreate_getID() { + return "set attr '" + aAttr + "', value '" + aValue + "'"; + }; + } + + // ////////////////////////////////////////////////////////////////////////// + // Do tests + + // gA11yEventDumpToConsole = true; // debuggin + + var gQueue = null; + async function doTests() { + gQueue = new eventQueue(); + // Later tests use await. + let queueFinished = new Promise(resolve => { + gQueue.onFinish = function() { + resolve(); + return DO_NOT_FINISH_TEST; + }; + }); + + gQueue.push(new setAttr("tst1", "aria-label", "hi", + new invokerChecker(EVENT_NAME_CHANGE, "tst1"))); + gQueue.push(new setAttr("tst1", "alt", "alt", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst1"))); + gQueue.push(new setAttr("tst1", "title", "title", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst1"))); + gQueue.push(new setAttr("tst1", "aria-labelledby", "display", + new invokerChecker(EVENT_NAME_CHANGE, "tst1"))); + + gQueue.push(new setAttr("tst2", "aria-labelledby", "display", + new invokerChecker(EVENT_NAME_CHANGE, "tst2"))); + gQueue.push(new setAttr("tst2", "alt", "alt", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst2"))); + gQueue.push(new setAttr("tst2", "title", "title", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst2"))); + gQueue.push(new setAttr("tst2", "aria-label", "hi", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst2"))); + + // When `alt` attribute is added or removed from a broken img, + // the accessible is recreated. + gQueue.push(new setAttr_recreate("tst3", "alt", "one")); + // When an `alt` attribute is changed, there is a name change event. + gQueue.push(new setAttr("tst3", "alt", "two", + new invokerChecker(EVENT_NAME_CHANGE, "tst3"))); + gQueue.push(new setAttr("tst3", "title", "title", + new unexpectedInvokerChecker(EVENT_NAME_CHANGE, "tst3"))); + + gQueue.push(new setAttr("tst4", "title", "title", + new invokerChecker(EVENT_NAME_CHANGE, "tst4"))); + + gQueue.invoke(); + await queueFinished; + // Tests beyond this point use await rather than eventQueue. + + const labelledBy = getNode("labelledBy"); + const label = getNode("label"); + let nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, labelledBy); + info("Changing text of aria-labelledby target"); + label.textContent = "l2"; + await nameChanged; + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, labelledBy); + info("Adding node to aria-labelledby target"); + label.innerHTML = '<p id="labelChild">l3</p>'; + await nameChanged; + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, labelledBy); + info("Changing text of aria-labelledby target's child"); + getNode("labelChild").textContent = "l4"; + await nameChanged; + + const lateLabelledBy = getNode("lateLabelledBy"); + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, lateLabelledBy); + info("Setting aria-labelledby"); + lateLabelledBy.setAttribute("aria-labelledby", "lateLabel"); + await nameChanged; + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, lateLabelledBy); + info("Changing text of late aria-labelledby target's child"); + getNode("lateLabelChild").textContent = "l2"; + await nameChanged; + + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, "listitem"); + info("Changing textContent of listitem child"); + // Changing textContent replaces the text leaf with a new one. + getNode("listitem").textContent = "world"; + await nameChanged; + + nameChanged = PromEvents.waitForEvent(EVENT_NAME_CHANGE, "button"); + info("Changing text of button's text leaf"); + // Changing the text node's data changes the text without replacing the + // leaf. + getNode("button").firstChild.data = "after"; + await nameChanged; + + SimpleTest.finish(); + } + + SimpleTest.waitForExplicitFinish(); + addA11yLoadEvent(doTests); + </script> +</head> + +<body> + + <a target="_blank" + href="https://bugzilla.mozilla.org/show_bug.cgi?id=991969" + title="Event not fired when description changes"> + Bug 991969 + </a> + + <p id="display"></p> + <div id="content" style="display: none"></div> + <pre id="test"> + </pre> + + <img id="tst1" alt="initial" src="../moz.png"> + <img id="tst2" src="../moz.png"> + <img id="tst3"> + <img id="tst4" src="../moz.png"> + + <div id="labelledBy" aria-labelledby="label"></div> + <div id="label">l1</div> + + <div id="lateLabelledBy"></div> + <div id="lateLabel"><p id="lateLabelChild">l1</p></div> + + <ul><li id="listitem">hello</li></ul> + + <button id="button">before</button> + + <div id="eventdump"></div> +</body> +</html> |