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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=650295
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 650295 -- Spin the event loop from inside a callback</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="application/javascript" src="head.js"></script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=650295">Mozilla Bug 650295</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+<script type="text/javascript">
+ SimpleTest.waitForExplicitFinish();
+
+ /*
+ * window.showModalDialog() can be used to spin the event loop, causing
+ * queued SpeechEvents (such as those created by calls to start(), stop()
+ * or abort()) to be processed immediately.
+ * When this is done from inside DOM event handlers, it is possible to
+ * cause reentrancy in our C++ code, which we should be able to withstand.
+ */
+ function abortAndSpinEventLoop(evt, sr) {
+ sr.abort();
+ SpecialPowers.spinEventLoop(window);
+ }
+ function doneFunc() {
+ // Trigger gc now and wait some time to make sure this test gets the blame
+ // for any assertions caused by showModalDialog
+ //
+ // NB - The assertions should be gone, but this looks too scary to touch
+ // during batch cleanup.
+ var count = 0, GC_COUNT = 4;
+
+ function triggerGCOrFinish() {
+ SpecialPowers.gc();
+ count++;
+
+ if (count == GC_COUNT) {
+ SimpleTest.finish();
+ }
+ }
+
+ for (var i = 0; i < GC_COUNT; i++) {
+ setTimeout(triggerGCOrFinish, 0);
+ }
+ }
+
+ /*
+ * We start by performing a normal start, then abort from the audiostart
+ * callback and force the EVENT_ABORT to be processed while still inside
+ * the event handler. This causes the recording to stop, which raises
+ * the audioend and (later on) end events.
+ * Then, we abort (once again spinning the event loop) from the audioend
+ * handler, attempting to cause a re-entry into the abort code. This second
+ * call should be ignored, and we get the end callback and finish.
+ */
+
+ performTest({
+ eventsToRequest: [],
+ expectedEvents: {
+ "audiostart": abortAndSpinEventLoop,
+ "audioend": abortAndSpinEventLoop,
+ "end": null
+ },
+ doneFunc: doneFunc,
+ prefs: [["media.webspeech.test.fake_fsm_events", true],
+ ["media.webspeech.test.fake_recognition_service", true]]
+ });
+
+</script>
+</pre>
+</body>
+</html>