<!DOCTYPE html>
<meta charset="utf-8">
<title>Closing a PresentationConnection</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="author" title="He Yue" href="mailto:[email protected]">
<link rel="author" title="Tomoyuki Shimizu" href="https://github.com/tomoyukilabs/">
<link rel="help" href="https://w3c.github.io/presentation-api/#closing-a-presentationconnection">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="common.js"></script>
<script src="support/stash.js"></script>
<h2>Description</h2>
<p>
This test validates that after connection close,<br/>
the connection state is set closed,<br/>
the onclose EventHandler is triggered.
</p>
<br/>
<p>Click the button below to start the test.</p>
<button id="presentBtn" >Start Presentation Test</button>
<script>
setup({explicit_timeout: true});
const presentBtn = document.getElementById('presentBtn');
promise_test(t => {
const clickWatcher = new EventWatcher(t, presentBtn, 'click');
const request = new PresentationRequest(presentationUrls);
const stash = new Stash(stashIds.toController, stashIds.toReceiver);
let connection, eventWatcher;
t.add_cleanup(() => {
if (connection) {
connection.onconnect = () => { connection.terminate(); };
if (connection.state === 'closed')
request.reconnect(connection.id);
else
connection.terminate();
}
stash.stop();
});
const checkCloseEvent = evt => {
assert_true(evt instanceof PresentationConnectionCloseEvent, 'An event using PresentationConnectionCloseEvent is fired.');
assert_true(evt.isTrusted, 'The event is a trusted event.');
assert_false(evt.bubbles, 'The event does not bubbles.');
assert_false(evt.cancelable, 'The event is not cancelable.');
assert_equals(evt.type, 'close', 'The event name is "close".');
assert_equals(evt.target, connection, 'event.target is the presentation connection.');
assert_equals(connection.state, 'closed', 'State of the presentation connection is "closed".');
assert_equals(evt.reason, 'closed', 'The reason for closing the presentation connection is "closed".');
};
const watchEvent = (obj, watcher, type) => {
const watchHandler = new Promise(resolve => {
obj['on' + type] = evt => { resolve(evt); };
});
return Promise.all([ watchHandler, watcher.wait_for(type) ]).then(results => {
assert_equals(results[0], results[1], 'Both on' + type + ' and addEventListener pass the same event object.');
return results[0];
});
};
const waitForEvent = (obj, watcher, type) => {
const watchHandler = new Promise(resolve => {
obj['on' + type] = evt => { resolve(evt); };
});
return Promise.race([ watchHandler, watcher.wait_for(type) ]);
};
return Promise.all([
clickWatcher.wait_for('click'),
stash.init()
]).then(() => {
presentBtn.disabled = true;
return request.start();
}).then(c => {
// Enable timeout again, cause no user action is needed from here.
t.step_timeout(() => {
t.force_timeout();
t.done();
}, 10000);
connection = c;
eventWatcher = new EventWatcher(t, connection, ['connect', 'close', 'terminate']);
// Step 1: close the presentation connection in "connecting" state
connection.close();
return Promise.race([
new Promise((_, reject) => {
t.step_timeout(() => { reject('The presentation connection in "connecting" state was not closed successfully.'); }, 3000);
}),
watchEvent(connection, eventWatcher, 'close')
]);
}).then(evt => {
checkCloseEvent(evt);
// Step 2: close the presentation connection in "connected" state
return request.reconnect(connection.id);
}).then(() => {
return eventWatcher.wait_for('connect');
}).then(() => {
connection.close();
return watchEvent(connection, eventWatcher, 'close');
}).then(evt => {
checkCloseEvent(evt);
// Step 3: check a connection closed by the receiving user agent
return request.reconnect(connection.id);
}).then(() => {
return eventWatcher.wait_for('connect');
}).then(() => {
return Promise.all([ stash.send('close'), watchEvent(connection, eventWatcher, 'close') ]);
}).then(results => {
checkCloseEvent(results[1]);
// Step 4: close the presentation connection in "closed" state (nothing should happen)
const closeWatcher = new EventWatcher(t, connection, 'close');
connection.close();
return Promise.race([
new Promise(resolve => { t.step_timeout(resolve, 1000); }),
waitForEvent(connection, closeWatcher, 'close').then(() => {
assert_unreached('Invoking PresentationConnection.close() in the "closed" state causes nothing.'); })
]);
}).then(() => {
// Step 5: close the presentation connection in "terminated" state (nothing should happen)
return request.reconnect(connection.id);
}).then(() => {
return eventWatcher.wait_for('connect');
}).then(() => {
connection.terminate();
return eventWatcher.wait_for('terminate');
}).then(() => {
const closeWatcher = new EventWatcher(t, connection, 'close');
connection.close();
return Promise.race([
new Promise(resolve => { t.step_timeout(resolve, 1000); }),
waitForEvent(connection, closeWatcher, 'close').then(() => {
assert_unreached('Invoking PresentationConnection.close() in the "terminated" state causes nothing.'); })
]);
});
});
</script>
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