third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-MessageChannel-transfer.html - Issue 2738773004: No longer clamp setTimeout(..., 0) to 1ms.

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Issue 2738773004: No longer clamp setTimeout(..., 0) to 1ms. (Closed)

Patch Set: update webgl2 conformance expectations as well Created 3 years, 8 months ago

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

2 <script src="../../resources/testharness.js"></script>	2 <script src="../../resources/testharness.js"></script>

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

4 <script>	4 <script>

5 async_test(t => {	5 async_test(t => {

6 var channel = new MessageChannel();	6 var channel = new MessageChannel();

7 var canvas = document.createElement('canvas');	7 var canvas = document.createElement('canvas');

8 canvas.width = canvas.height = 10;	8 canvas.width = canvas.height = 10;

9 var offscreen = canvas.transferControlToOffscreen();	9 var offscreen = canvas.transferControlToOffscreen();

10 channel.port2.onmessage = function(message) {	10 channel.port2.onmessage = function(message) {

11 var ctx = message.data.getContext('2d');	11 var ctx = message.data.getContext('2d');

12 ctx.fillStyle = '#0f0';	12 ctx.fillStyle = '#0f0';

13 ctx.fillRect(0, 0, 10, 10);	13 ctx.fillRect(0, 0, 10, 10);

14 ctx.commit();	14 ctx.commit();

15 setTimeout(function() { // synchronization barrier to allow commit to propag ate	15 // TODO(junov): Use the Promise returned by commit to schedule after the

16 var canvas2 = document.createElement('canvas');	16 // commit. (crbug.com/709484)

17 canvas2.width = canvas2.height = 10;	17 setTimeout(function() {

18 var ctx2 = canvas2.getContext('2d');	18 setTimeout(function() {

19 ctx2.drawImage(canvas, 0, 0);	19 var canvas2 = document.createElement('canvas');

20 var pixel = ctx2.getImageData(0, 0, 1, 1).data;	20 canvas2.width = canvas2.height = 10;

21 t.step(function() {	21 var ctx2 = canvas2.getContext('2d');

22 assert_array_equals(pixel, [0, 255, 0, 255]);	22 ctx2.drawImage(canvas, 0, 0);

23 });	23 var pixel = ctx2.getImageData(0, 0, 1, 1).data;

24 t.done();	24 t.step(function() {

	25 assert_array_equals(pixel, [0, 255, 0, 255]);

	26 });

	27 t.done();

	28 }, 0);

25 }, 0);	29 }, 0);

26 }	30 }

27 channel.port1.postMessage(offscreen, [offscreen]);	31 channel.port1.postMessage(offscreen, [offscreen]);

28 }, "Verify that posting an OffscreenCanvas through a MessageChannel works as int ended.");	32 }, "Verify that posting an OffscreenCanvas through a MessageChannel works as int ended.");

29	33

30 test(function() {	34 test(function() {

31 var channel = new MessageChannel();	35 var channel = new MessageChannel();

32 var canvas = document.createElement('canvas');	36 var canvas = document.createElement('canvas');

33 canvas.width = canvas.height = 10;	37 canvas.width = canvas.height = 10;

34 var offscreen = canvas.transferControlToOffscreen();	38 var offscreen = canvas.transferControlToOffscreen();

35 channel.port2.onmessage = function() {};	39 channel.port2.onmessage = function() {};

36 assert_throws("DataCloneError", function() {channel.port1.postMessage(offscree n)});	40 assert_throws("DataCloneError", function() {channel.port1.postMessage(offscree n)});

37 }, "Verify that cloning an OffscreenCanvas through a MessageChannel throws an ex ception")	41 }, "Verify that cloning an OffscreenCanvas through a MessageChannel throws an ex ception")

38	42

39 </script>	43 </script>

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