| async_test(t => { |
| let c1 = new BroadcastChannel('eventType'); |
| let c2 = new BroadcastChannel('eventType'); |
| |
| c2.onmessage = t.step_func(e => { |
| assert_true(e instanceof MessageEvent); |
| assert_equals(e.target, c2); |
| assert_equals(e.type, 'message'); |
| assert_equals(e.origin, location.origin, 'origin'); |
| assert_equals(e.data, 'hello world'); |
| assert_equals(e.source, null, 'source'); |
| t.done(); |
| }); |
| c1.postMessage('hello world'); |
| }, 'postMessage results in correct event'); |
| |
| async_test(t => { |
| let c1 = new BroadcastChannel('order'); |
| let c2 = new BroadcastChannel('order'); |
| let c3 = new BroadcastChannel('order'); |
| |
| let events = []; |
| let doneCount = 0; |
| let handler = t.step_func(e => { |
| events.push(e); |
| if (e.data == 'done') { |
| doneCount++; |
| if (doneCount == 2) { |
| assert_equals(events.length, 6); |
| assert_equals(events[0].target, c2, 'target for event 0'); |
| assert_equals(events[0].data, 'from c1'); |
| assert_equals(events[1].target, c3, 'target for event 1'); |
| assert_equals(events[1].data, 'from c1'); |
| assert_equals(events[2].target, c1, 'target for event 2'); |
| assert_equals(events[2].data, 'from c3'); |
| assert_equals(events[3].target, c2, 'target for event 3'); |
| assert_equals(events[3].data, 'from c3'); |
| assert_equals(events[4].target, c1, 'target for event 4'); |
| assert_equals(events[4].data, 'done'); |
| assert_equals(events[5].target, c3, 'target for event 5'); |
| assert_equals(events[5].data, 'done'); |
| t.done(); |
| } |
| } |
| }); |
| c1.onmessage = handler; |
| c2.onmessage = handler; |
| c3.onmessage = handler; |
| |
| c1.postMessage('from c1'); |
| c3.postMessage('from c3'); |
| c2.postMessage('done'); |
| }, 'messages are delivered in port creation order'); |
| |
| async_test(t => { |
| let c1 = new BroadcastChannel('closed'); |
| let c2 = new BroadcastChannel('closed'); |
| let c3 = new BroadcastChannel('closed'); |
| |
| c2.onmessage = t.unreached_func(); |
| c2.close(); |
| c3.onmessage = t.step_func(() => t.done()); |
| c1.postMessage('test'); |
| }, 'messages aren\'t delivered to a closed port'); |
| |
| async_test(t => { |
| let c1 = new BroadcastChannel('closed'); |
| let c2 = new BroadcastChannel('closed'); |
| let c3 = new BroadcastChannel('closed'); |
| |
| c2.onmessage = t.unreached_func(); |
| c3.onmessage = t.step_func(() => t.done()); |
| c1.postMessage('test'); |
| c2.close(); |
| }, 'messages aren\'t delivered to a port closed after calling postMessage.'); |
| |
| async_test(t => { |
| let c1 = new BroadcastChannel('create-in-onmessage'); |
| let c2 = new BroadcastChannel('create-in-onmessage'); |
| |
| c2.onmessage = t.step_func(e => { |
| assert_equals(e.data, 'first'); |
| c2.close(); |
| let c3 = new BroadcastChannel('create-in-onmessage'); |
| c3.onmessage = t.step_func(event => { |
| assert_equals(event.data, 'done'); |
| t.done(); |
| }); |
| c1.postMessage('done'); |
| }); |
| c1.postMessage('first'); |
| c2.postMessage('second'); |
| }, 'closing and creating channels during message delivery works correctly'); |
| |
| async_test(t => { |
| let c1 = new BroadcastChannel('close-in-onmessage'); |
| let c2 = new BroadcastChannel('close-in-onmessage'); |
| let c3 = new BroadcastChannel('close-in-onmessage'); |
| let events = []; |
| c1.onmessage = e => events.push('c1: ' + e.data); |
| c2.onmessage = e => events.push('c2: ' + e.data); |
| c3.onmessage = e => events.push('c3: ' + e.data); |
| |
| // c2 closes itself when it receives the first message |
| c2.addEventListener('message', e => { |
| c2.close(); |
| }); |
| |
| c3.addEventListener('message', t.step_func(e => { |
| if (e.data == 'done') { |
| assert_array_equals(events, [ |
| 'c2: first', |
| 'c3: first', |
| 'c3: done']); |
| t.done(); |
| } |
| })); |
| c1.postMessage('first'); |
| c1.postMessage('done'); |
| }, 'Closing a channel in onmessage prevents already queued tasks from firing onmessage events'); |