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Test Info:

<!DOCTYPE html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/gc.js"></script>
<script>
async_test(t => {
const c1 = new BroadcastChannel('blob');
const c2 = new BroadcastChannel('blob');
const c3 = new BroadcastChannel('blob');
let readCount = 0;
c2.onmessage = t.step_func(e => {
// check blob
assert_true('blob' in e.data);
assert_true(e.data.blob instanceof Blob);
assert_equals(e.data.blob.size, 6);
const reader = new FileReader();
reader.onerror = t.unreached_func();
reader.onload = t.step_func(() => {
assert_equals(reader.result, 'foobar');
if (++readCount == 2)
t.done();
});
reader.readAsText(e.data.blob);
});
c3.onmessage = c2.onmessage;
(() => {
c1.postMessage({blob: new Blob(['foo', 'bar'])});
})();
garbageCollect();
}, 'Blobs work on BroadcastChannel');
async_test(t => {
const c1 = new BroadcastChannel('blobworker');
const c2 = new BroadcastChannel('blobworker');
const events = [];
const verifyEvents = function() {
assert_equals(events.length, 5);
assert_equals(events[0], 'from worker');
assert_equals(events[1], 'from worker');
assert_true(events[2].blob instanceof Blob);
assert_equals(events[2].blob.size, 11);
assert_true(events[3].blob instanceof Blob);
assert_equals(events[3].blob.size, 11);
assert_equals(events[4], 'done');
const reader = new FileReader();
reader.onerror = t.unreached_func();
reader.onload = t.step_func(() => {
assert_equals(reader.result, 'hello-world');
t.done();
});
reader.readAsText(events[3].blob);
};
let receivedDone = false;
let receivedWorkerDone = false;
c1.onmessage = e => events.push(e.data);
c2.onmessage = e => events.push(e.data);
c2.addEventListener('message', t.step_func(e => {
if (e.data.blob)
c1.postMessage('done');
if (e.data === 'done')
receivedDone = true;
if (receivedDone && receivedWorkerDone)
verifyEvents();
}));
const worker = new Worker('resources/worker.js');
worker.onmessage = t.step_func(e => {
receivedWorkerDone = true;
if (receivedDone && receivedWorkerDone)
verifyEvents();
});
worker.postMessage({channel: 'blobworker'});
worker.postMessage({blob: ['hello-world']});
}, 'Blobs work with workers on BroadcastChannel');
</script>