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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/media/webspeech/recognition/test/test_nested_eventloop.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/media/webspeech/recognition/test/test_nested_eventloop.html')
| -rw-r--r-- | dom/media/webspeech/recognition/test/test_nested_eventloop.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/dom/media/webspeech/recognition/test/test_nested_eventloop.html b/dom/media/webspeech/recognition/test/test_nested_eventloop.html new file mode 100644 index 0000000000..4924766b44 --- /dev/null +++ b/dom/media/webspeech/recognition/test/test_nested_eventloop.html @@ -0,0 +1,82 @@ +<!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 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(); + + /* + * SpecialPowers.spinEventLoop 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 spinning the event loop. + // + // 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, + prefs: [["media.webspeech.test.fake_fsm_events", true], + ["media.webspeech.test.fake_recognition_service", true], + ["media.webspeech.recognition.timeout", 100000]] + }); + +</script> +</pre> +</body> +</html> |