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<!DOCTYPE html>
<meta charset="utf-8">
<title>Calling "start" when there is already an unsettled Promise returns a Promise rejected with an OperationError exception.</title>
<link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs/">
<link rel="help" href="http://w3c.github.io/presentation-api/#dfn-controlling-user-agent">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="common.js"></script>
<p>Click the button below to start the manual test. If prompted to select a device, please dismiss the dialog box. The test passes if a "PASS" result appears.</p>
<button id="presentBtn">Start Presentation Test</button>
<script>
// disable the timeout function for the tests
setup({explicit_timeout: true});
// ----------
// DOM Object
// ----------
var presentBtn = document.getElementById("presentBtn");
// -----------------------------------------------
// Terminate a presentation if started by accident
// -----------------------------------------------
function terminate(connection) {
connection.terminate();
}
// -------------------------------------------
// Start New Presentation Test (error) - begin
// -------------------------------------------
presentBtn.onclick = function () {
presentBtn.disabled = true;
promise_test(function (t) {
var request1 = new PresentationRequest(presentationUrls),
request2 = new PresentationRequest(presentationUrls);
request1.start().then(terminate, function(){});
return promise_rejects_dom(t, 'OperationError', request2.start().then(terminate));
});
};
// -----------------------------------------
// Start New Presentation Test (error) - end
// -----------------------------------------
</script>
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