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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/imagebitmap/transferFromImageBitmap-nullability.html

Issue 2251493003: Adding nullability support to ImageBitmapRenderingContext.transferImageBitmap (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Addressing comments from patch set 1. Created 4 years, 4 months ago
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1 <!DOCTYPE html>
2 <canvas id = 'dstCanvas' width='100' height='100'></canvas>
3 <script src="../../../resources/testharness.js"></script>
4 <script src="../../../resources/testharnessreport.js"></script>
5 <script>
6
7 function testCanvasReset(ctx) {
8 var colorData = ctx.getImageData(50, 50, 1, 1).data;
Justin Novosad 2016/08/16 20:52:07 This test is going to crash. There is no 'getImage
zakerinasab 2016/08/17 20:39:28 Corrected.
9 assert_equals(colorData[0], 0);
10 assert_equals(colorData[1], 0);
11 assert_equals(colorData[2], 0);
12 assert_equals(colorData[3], 0);
13 }
14
15 function testCanvas_0f0(ctx) {
16 var colorData = ctx.getImageData(50, 50, 1, 1).data;
Justin Novosad 2016/08/16 20:52:07 Same here
zakerinasab 2016/08/17 20:39:28 Acknowledged.
17 assert_equals(colorData[0], 0);
18 assert_equals(colorData[1], 255);
19 assert_equals(colorData[2], 0);
20 assert_equals(colorData[3], 255);
21 }
22
23 function testNullParameterTransferFromImageBitmap(image) {
24 var dstCanvas = document.getElementById('dstCanvas');
25 var dstCtx = dstCanvas.getContext('bitmaprenderer');
26 dstCtx.transferFromImageBitmap(image);
27 testCanvas_0f0(ctx);
28 //Calling transferFromImageBitmap(null) must reset dstCtx
29 dstCtx.transferFromImageBitmap(null);
30 testCanvasReset(dstCtx);
31 }
32
33 test(function() {
34 var canvas = document.createElement('canvas');
35 canvas.width = canvas.height = 100;
36 var ctx = canvas.getContext('2d');
37 testCanvasReset(ctx);
38
39 ctx.fillStyle = '#0f0';
40 ctx.fillRect(0, 0, 100, 100);
41 testCanvas_0f0(ctx);
42
43 createImageBitmap(canvas).then(testNullParameterTransferFromImageBitmap);
Justin Novosad 2016/08/16 20:52:07 The test will end before testNullParameterTransfer
zakerinasab 2016/08/17 20:39:28 Acknowledged.
44 }, 'testNullParameterTransferFromImageBitmap should not return any error');
45
46 </script>
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