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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/test-helpers.sub.js"></script>
<script>
async_test(function(t) {
var scope = 'resources/scope/unregister-twice';
var registration;
navigator.serviceWorker.register('resources/empty-worker.js',
{scope: scope})
.then(function(r) {
registration = r;
return registration.unregister();
})
.then(function() {
return registration.unregister();
})
.then(function(value) {
assert_equals(value, false,
'unregistering twice should resolve with false');
t.done();
})
.catch(unreached_rejection(t));
}, 'Unregister twice');
async_test(function(t) {
var scope = 'resources/scope/successful-unregister/';
navigator.serviceWorker.register('resources/empty-worker.js',
{scope: scope})
.then(function(registration) {
return registration.unregister();
})
.then(function(value) {
assert_equals(value, true,
'unregistration should resolve with true');
t.done();
})
.catch(unreached_rejection(t));
}, 'Register then unregister');
</script>
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