third_party/WebKit/LayoutTests/fast/canvas/alpha.html - Issue 2671853004: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

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Side by Side Diff: third_party/WebKit/LayoutTests/fast/canvas/alpha.html

Issue 2671853004: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)

Patch Set: Corrections Created 3 years, 10 months ago

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1 <!DOCTYPE HTML>	1 <!DOCTYPE HTML>

2 <html>	2 <html>

3 <head>	3 <head>

4 <script src="../../resources/js-test.js"></script>	4 <script src="../../resources/testharness.js"></script>

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

5 <style>	6 <style>

6	7

7 #canvas3 {	8 #canvas3 {

8 width : 100px;	9 width : 100px;

9 height : 100px;	10 height : 100px;

10 border : 1px solid green;	11 border : 1px solid green;

11 }	12 }

12	13

13 </style>	14 </style>

14 </head>

15 <body>

16 <canvas id="canvas1" width="8" height="8"></canvas>	15 <canvas id="canvas1" width="8" height="8"></canvas>

17 <canvas id="canvas2" width="8" height="8"></canvas>	16 <canvas id="canvas2" width="8" height="8"></canvas>

18 <canvas id="canvas3" width="8" height="8"></canvas>	17 <canvas id="canvas3" width="8" height="8"></canvas>

19 <canvas id="canvas4" width="8" height="8"></canvas>	18 <canvas id="canvas4" width="8" height="8"></canvas>

20 <script src="alpha.js"></script>	19 </head>

	20 <body>

	21 <script>

	22 test(function(t) {

	23 var canvas1 = document.getElementById('canvas1');

	24 var canvas2 = document.getElementById('canvas2');

	25 var canvas3 = document.getElementById('canvas3');

	26 var canvas4 = document.getElementById('canvas4');

	27

	28 var ctx1 = canvas1.getContext('2d');

	29 var ctx2 = canvas2.getContext('2d', {} );

	30 var ctx3 = canvas3.getContext('2d', { alpha: false } );

	31 var ctx4 = canvas4.getContext('2d', { alpha: true } );

	32

	33 assert_equals(ctx1.getContextAttributes().alpha,true);

	34 var imgData1 = ctx1.getImageData(0, 0, 1, 1);

	35 assert_equals(imgData1.data[0],0);

	36 assert_equals(imgData1.data[1],0);

	37 assert_equals(imgData1.data[2],0);

	38 assert_equals(imgData1.data[3],0);

	39

	40 assert_equals(ctx2.getContextAttributes().alpha,true);

	41 var imgData2 = ctx2.getImageData(0, 0, 1, 1);

	42 assert_equals(imgData2.data[0],0);

	43 assert_equals(imgData2.data[1],0);

	44 assert_equals(imgData2.data[2],0);

	45 assert_equals(imgData2.data[3],0);

	46

	47 assert_equals(ctx3.getContextAttributes().alpha,false);

	48 assert_equals(ctx4.getContextAttributes().alpha,true);

	49

	50 var imgData4 = ctx4.getImageData(0, 0, 1, 1);

	51 assert_equals(imgData4.data[0],0);

	52 assert_equals(imgData4.data[1],0);

	53 assert_equals(imgData4.data[2],0);

	54 assert_equals(imgData4.data[3],0);

	55

	56 // Check that mutating the returned value of getContextAttributes() doesn't

	57 // affect the existing canvas, or the values of subsequent calls to

	58 // getContextAttributes().

	59 var attrs = ctx4.getContextAttributes();

	60 assert_equals(attrs.alpha,true);

	61 attrs.alpha = false;

	62

	63 var imgData4 = ctx4.getImageData(0, 0, 1, 1);

	64 assert_equals(ctx4.getContextAttributes().alpha,true);

	65 assert_equals(imgData4.data[0],0);

	66 assert_equals(imgData4.data[1],0);

	67 assert_equals(imgData4.data[2],0);

	68 assert_equals(imgData4.data[3],0);

	69 }, 'Series of tests for canvas alpha');

	70 </script>

21 </body>	71 </body>

22 </html>	72 </html>

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