third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html - Issue 1881563003: Implement OffscreenCanvas.getContext('webgl')

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/OffscreenCanvas-getContext2D.html

Issue 1881563003: Implement OffscreenCanvas.getContext('webgl') (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase and remove static_cast Created 4 years, 7 months ago

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1 <!DOCTYPE html>

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

3 <script>

4 description("Tests basic functionalities of offscreenCanvas.getContext on the ma in thread");

5

6 // Tests onstructor of OffscreenCanvas and length/width change

7 var aCanvas = new OffscreenCanvas(40, 60);

8 shouldBe("aCanvas.width", "40");

9 shouldBe("aCanvas.height", "60");

10

11 aCanvas.width = 110;

12 aCanvas.height = 90;

13 shouldBe("aCanvas.width", "110");

14 shouldBe("aCanvas.height", "90");

15

16 aCanvas.width = 0; // Zero dimension is allowed

17 shouldBe("aCanvas.width", "0");

18

19 // Tests object type of getContext('2d')

20 var ctx;

21 shouldNotThrow("ctx = aCanvas.getContext('2d')");

22 shouldBeType("ctx", "OffscreenCanvasRenderingContext2D");

23

24 // Calling getContext on a different context type will return null

25 var ctx2 = aCanvas.getContext("webgl");

26 shouldBeNull("ctx2");

27

28 // Calling getContext on the same context type will return the original context type

29 var ctx3 = aCanvas.getContext("2d");

30 shouldBeNonNull("ctx3");

31 shouldBeTrue("ctx3 == ctx");

32

33 // TODO: change the below part of the test when webgl is supported.

34 // Calling getContext on an unimplemented context type will return null

35 var bogusCanvas = new OffscreenCanvas(20, 20);

36 var bogusCtx = bogusCanvas.getContext("webgl");

37 shouldBeNull("bogusCtx");

38 </script>

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