third_party/WebKit/LayoutTests/broadcastchannel/basics.html - Issue 2004643002: Implement BroadcastChannel

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Issue 2004643002: Implement BroadcastChannel (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: address dcheng's comments Created 4 years, 5 months ago

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	1 <!DOCTYPE html>

	2 <meta charset=utf-8>

	3 <script src="../resources/testharness.js"></script>

	4 <script src="../resources/testharnessreport.js"></script>

	5 <script>

	6

	7 async_test(t => {

	8 let c1 = new BroadcastChannel('eventType');

	9 let c2 = new BroadcastChannel('eventType');

	10

	11 c2.onmessage = t.step_func(e => {

	12 assert_true(e instanceof MessageEvent);

	13 assert_equals(e.target, c2);

	14 assert_equals(e.type, 'message');

	15 assert_equals(e.origin, location.origin, 'origin');

	16 assert_equals(e.data, 'hello world');

	17 assert_equals(e.source, null, 'source');

	18 t.done();

	19 });

	20 c1.postMessage('hello world');

	21 }, 'postMessage results in correct event');

	22

	23 async_test(t => {

	24 let c1 = new BroadcastChannel('order');

	25 let c2 = new BroadcastChannel('order');

	26 let c3 = new BroadcastChannel('order');

	27

	28 let events = [];

	29 let doneCount = 0;

	30 let handler = t.step_func(e => {

	31 events.push(e);

	32 if (e.data == 'done') {

	33 doneCount++;

	34 if (doneCount == 2) {

	35 assert_equals(events.length, 6);

	36 assert_equals(events[0].target, c2, 'target for event 0');

	37 assert_equals(events[0].data, 'from c1');

	38 assert_equals(events[1].target, c3, 'target for event 1');

	39 assert_equals(events[1].data, 'from c1');

	40 assert_equals(events[2].target, c1, 'target for event 2');

	41 assert_equals(events[2].data, 'from c3');

	42 assert_equals(events[3].target, c2, 'target for event 3');

	43 assert_equals(events[3].data, 'from c3');

	44 assert_equals(events[4].target, c1, 'target for event 4');

	45 assert_equals(events[4].data, 'done');

	46 assert_equals(events[5].target, c3, 'target for event 5');

	47 assert_equals(events[5].data, 'done');

	48 t.done();

	49 }

	50 }

	51 });

	52 c1.onmessage = handler;

	53 c2.onmessage = handler;

	54 c3.onmessage = handler;

	55

	56 c1.postMessage('from c1');

	57 c3.postMessage('from c3');

	58 c2.postMessage('done');

	59 }, 'messages are delivered in port creation order');

	60

	61 async_test(t => {

	62 let c1 = new BroadcastChannel('closed');

	63 let c2 = new BroadcastChannel('closed');

	64 let c3 = new BroadcastChannel('closed');

	65

	66 c2.onmessage = t.unreached_func();

	67 c2.close();

	68 c3.onmessage = t.step_func(() => t.done());

	69 c1.postMessage('test');

	70 }, 'messages aren\'t delivered to a closed port');

	71

	72 async_test(t => {

	73 let c1 = new BroadcastChannel('create-in-onmessage');

	74 let c2 = new BroadcastChannel('create-in-onmessage');

	75

	76 c2.onmessage = t.step_func(e => {

	77 assert_equals(e.data, 'first');

	78 c2.close();

	79 let c3 = new BroadcastChannel('create-in-onmessage');

	80 c3.onmessage = t.step_func(event => {

	81 assert_equals(event.data, 'done');

	82 t.done();

	83 });

	84 c1.postMessage('done');

	85 });

	86 c1.postMessage('first');

	87 c2.postMessage('second');

	88 }, 'closing and creating channels during message delivery works correctly');

	89

	90 // TODO(mek): Depending on https://github.com/whatwg/html/issues/1371 adjust

	91 // this test to match the correct behavior.

	92 async_test(t => {

	93 let c1 = new BroadcastChannel('close-in-onmessage');

	94 let c2 = new BroadcastChannel('close-in-onmessage');

	95 let c3 = new BroadcastChannel('close-in-onmessage');

	96 let events = [];

	97 c1.onmessage = e => events.push('c1: ' + e.data);

	98 c2.onmessage = e => events.push('c2: ' + e.data);

	99 c3.onmessage = e => events.push('c3: ' + e.data);

	100

	101 // c2 closes itself when it receives the first message

	102 c2.addEventListener('message', e => {

	103 c2.close();

	104 });

	105

	106 c3.addEventListener('message', t.step_func(e => {

	107 if (e.data == 'done') {

	108 assert_array_equals(events, [

	109 'c2: first',

	110 'c3: first',

	111 'c2: done',

	112 'c3: done']);

	113 t.done();

	114 }

	115 }));

	116 c1.postMessage('first');

	117 c1.postMessage('done');

	118 }, 'Closing a channel in onmessage doesn\'t cancel already queued events');

	119

	120 </script>

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