forked from mirrors/gecko-dev
887634a649
Backed out changeset 296d5facd7bd (bug 1665713) Backed out changeset 770d63754715 (bug 1665713) Backed out changeset 433d8f92b482 (bug 1665713)
54 lines
1.6 KiB
HTML
54 lines
1.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<script src="mediaStreamPlayback.js"></script>
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</head>
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<body>
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<iframe id="iframe" srcdoc="<script>
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window.enumerateDevices = () =>
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navigator.mediaDevices.enumerateDevices();
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</script>"
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width="100%" height="50%" frameborder="1">
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</iframe>
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<pre id="test">
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<script type="application/javascript">
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createHTML({ title: "Suspend enumerateDevices code ", bug: "1479840" });
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/**
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This test covers the case that the enumerateDevices method is suspended by
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navigating away the current window. In order to implement that the enumeration
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is executed in an iframe which is cleared before the enumeration has been resolved
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*/
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runTest(async () => {
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// Run enumerate devices and mesure the time it will take.
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const start = new Date().getTime();
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try {
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await iframe.contentWindow.enumerateDevices();
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} catch (e) {
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info("Failed to enumerate devices, error: " + e);
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}
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const elapsed = new Date().getTime() - start;
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// Run again and navigate away. Expected to remain pending.
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let p = iframe.contentWindow.enumerateDevices()
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p.then( devices => {
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ok(false, "Enumerate devices promise resolved unexpectedly, found " + devices.length + " devices.");
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})
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.catch ( error => {
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ok(false, "Enumerate devices promise rejected unexpectedly: " + error);
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});
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iframe.srcdoc = "";
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// Wait enough time.
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try {
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await timeout(p, 5 * elapsed, "timeout");
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ok(false, "Enumerate devices promise resolved unexpectedly");
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} catch (e) {
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is(e.message, "timeout", "We should time out without enumerateDevices rejecting");
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}
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});
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</script>
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</pre>
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</body>
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</html>
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