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<!doctype html>
<title>ServiceWorker: worker objects have synced state</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
// Tests that ServiceWorker objects representing the same Service Worker
// entity have the same state. JS object equality is not tested, since the spec
// does not require it.
promise_test(function(t) {
var scope = 'resources/synced-state';
var script = 'resources/empty-worker.js';
return service_worker_unregister_and_register(t, script, scope)
.then(function(registration) {
return new Promise(function(resolve) {
var step = 0;
registration.installing.addEventListener('statechange',
function(e) {
step++;
if (step == 1) {
assert_equals(e.currentTarget.state, 'installed',
'original SW should be installed');
assert_equals(registration.installing, null,
'in installed, .installing should be null');
// The Activate algorithm may have cleared the waiting worker
// by now.
if (registration.waiting) {
assert_equals(registration.waiting.state, 'installed',
'in installed, .waiting should be installed');
assert_equals(registration.active, null,
'in installed, .active should be null');
} else {
assert_equals(registration.active.state, 'activating',
'in installed, .active should be activating');
}
} else if (step == 2) {
assert_equals(e.currentTarget.state, 'activating',
'original SW should be activating');
assert_equals(registration.installing, null,
'in activating, .installing should be null');
assert_equals(registration.waiting, null,
'in activating, .waiting should be null');
assert_equals(
registration.active.state, 'activating',
'in activating, .active should be activating');
} else if (step == 3) {
assert_equals(e.currentTarget.state, 'activated',
'original SW should be activated');
assert_equals(registration.installing, null,
'in activated, .installing should be null');
assert_equals(registration.waiting, null,
'in activated, .waiting should be null');
assert_equals(registration.active.state, 'activated',
'in activated .active should be activated');
resolve();
}
})
})
})
.then(function() {
return service_worker_unregister_and_done(t, scope);
});
}, 'worker objects for the same entity have the same state');
</script>
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