third_party/WebKit/LayoutTests/http/tests/serviceworker/postmessage.html - Issue 2414333003: WebMessaging: Send transferable ArrayBuffers by copy-and-neuter semantics

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Issue 2414333003: WebMessaging: Send transferable ArrayBuffers by copy-and-neuter semantics (Closed)

Patch Set: fix tests Created 4 years, 1 month ago

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1 <!DOCTYPE html>	1 <!DOCTYPE html>

2 <title>Service Worker: postMessage</title>	2 <title>Service Worker: postMessage</title>

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

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

5 <script src="resources/test-helpers.js"></script>	5 <script src="resources/test-helpers.js"></script>

6 <script>	6 <script>

7	7

8 promise_test(t => {	8 promise_test(t => {

9 var script = 'resources/postmessage-worker.js';	9 var script = 'resources/postmessage-worker.js';

10 var scope = 'resources/blank.html';	10 var scope = 'resources/blank.html';

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45 .then(() => {	45 .then(() => {

46 assert_equals(worker.state, 'redundant');	46 assert_equals(worker.state, 'redundant');

47 assert_throws(	47 assert_throws(

48 {name:'InvalidStateError'},	48 {name:'InvalidStateError'},

49 function() { worker.postMessage(''); },	49 function() { worker.postMessage(''); },

50 'Calling postMessage on a redundant ServiceWorker should ' +	50 'Calling postMessage on a redundant ServiceWorker should ' +

51 'throw InvalidStateError.');	51 'throw InvalidStateError.');

52 });	52 });

53 }, 'postMessage to a ServiceWorker (and back via MessagePort)');	53 }, 'postMessage to a ServiceWorker (and back via MessagePort)');

54	54

	55 promise_test(t => {

	56 var script = 'resources/postmessage-transferables-worker.js';

	57 var scope = 'resources/blank.html';

	58 var sw = navigator.serviceWorker;

	59

	60 var message = 'Hello, world!';

	61 var text_encoder = new TextEncoder;

	62 var text_decoder = new TextDecoder;

	63

	64 return service_worker_unregister_and_register(t, script, scope)

	65 .then(r => {

	66 add_completion_callback(() => r.unregister());

	67

	68 var ab = text_encoder.encode(message);

	69 assert_equals(ab.byteLength, message.length);

	70 r.installing.postMessage(ab, [ab.buffer]);

	71 assert_equals(text_decoder.decode(ab), '');

	72 assert_equals(ab.byteLength, 0);

	73

	74 return new Promise(resolve => { sw.onmessage = resolve; });

	75 })

	76 .then(e => {

	77 // Verify the integrity of the transferred array buffer.

	78 assert_equals(e.data.content, message);

	79 assert_equals(e.data.byteLength, message.length);

	80 return new Promise(resolve => { sw.onmessage = resolve; });

	81 })

	82 .then(e => {

	83 // Verify the integrity of the array buffer sent back from

	84 // ServiceWorker via Client.postMessage.

	85 assert_equals(text_decoder.decode(e.data), message);

	86 assert_equals(e.data.byteLength, message.length);

	87 return new Promise(resolve => { sw.onmessage = resolve; });

	88 })

	89 .then(e => {

	90 // Verify that the array buffer on ServiceWorker is neutered.

	91 assert_equals(e.data.content, '');

	92 assert_equals(e.data.byteLength, 0);

	93 });

	94 }, 'postMessage a transferable ArrayBuffer between ServiceWorker and Client');

	95

	96 promise_test(t => {

	97 var script = 'resources/postmessage-transferables-worker.js';

	98 var scope = 'resources/blank.html';

	99 var message = 'Hello, world!';

	100 var text_encoder = new TextEncoder;

	101 var text_decoder = new TextDecoder;

	102 var port;

	103

	104 return service_worker_unregister_and_register(t, script, scope)

	105 .then(r => {

	106 add_completion_callback(() => r.unregister());

	107

	108 var channel = new MessageChannel;

	109 port = channel.port1;

	110 r.installing.postMessage(undefined, [channel.port2]);

	111

	112 var ab = text_encoder.encode(message);

	113 assert_equals(ab.byteLength, message.length);

	114 port.postMessage(ab, [ab.buffer]);

	115 assert_equals(text_decoder.decode(ab), '');

	116 assert_equals(ab.byteLength, 0);

	117

	118 return new Promise(resolve => { port.onmessage = resolve; });

	119 })

	120 .then(e => {

	121 // Verify the integrity of the transferred array buffer.

	122 assert_equals(e.data.content, message);

	123 assert_equals(e.data.byteLength, message.length);

	124 return new Promise(resolve => { port.onmessage = resolve; });

	125 })

	126 .then(e => {

	127 // Verify the integrity of the array buffer sent back from

	128 // ServiceWorker via Client.postMessage.

	129 assert_equals(text_decoder.decode(e.data), message);

	130 assert_equals(e.data.byteLength, message.length);

	131 return new Promise(resolve => { port.onmessage = resolve; });

	132 })

	133 .then(e => {

	134 // Verify that the array buffer on ServiceWorker is neutered.

	135 assert_equals(e.data.content, '');

	136 assert_equals(e.data.byteLength, 0);

	137 });

	138 }, 'postMessage a transferable ArrayBuffer between ServiceWorker and Client' +

	139 ' over MessagePort');

	140

55 </script>	141 </script>

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