third_party/WebKit/LayoutTests/fast/canvas/drawImage-with-negative-source-destination.html - Issue 2700823002: 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/drawImage-with-negative-source-destination.html

Issue 2700823002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)

Patch Set: Addressing comments Created 3 years, 9 months ago

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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">

2 <!-- Test based on that found at	1 <!-- Test based on that found at

3 http://philip.html5.org/tests/canvas/suite/tests/2d.drawImage.negativesourc e.html	2 http://philip.html5.org/tests/canvas/suite/tests/2d.drawImage.negativesourc e.html

4 -->	3 -->

5 <html>	4 <script src="../../resources/testharness.js"></script>

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

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

8 </head>

9 <body>

10 <canvas id="canvas" width="100" height="100"></canvas>	6 <canvas id="canvas" width="100" height="100"></canvas>

11 <script src="drawImage-with-negative-source-destination.js"></script>	7 <script>

12 </body>	8

13 </html>	9 test(function(){

	10

	11 var canvas2 = document.createElement('canvas');

	12 canvas2.width = 100;

	13 canvas2.height = 100;

	14 var ctx2 = canvas2.getContext('2d');

	15 ctx2.fillStyle = '#f00';

	16 ctx2.fillRect(0, 0, 100, 50);

	17 ctx2.fillStyle = '#0f0';

	18 ctx2.fillRect(0, 50, 100, 50);

	19

	20 var canvas = document.getElementById('canvas').getContext('2d');

	21 canvas.drawImage(canvas2, 100, 50, -50, 50, 0, 0, 50, 50);

	22 canvas.drawImage(canvas2, 100, 100, -50, -50, 0, 100, 50, -50);

	23 canvas.drawImage(canvas2, 0, 100, 100, -50, 100, 100, -50, -50);

	24 canvas.drawImage(canvas2, 0, 50, 100, 50, 100, 0, -50, 50);

	25

	26 var imageData = canvas.getImageData(1, 0, 1, 1).data;

	27 assert_array_equals(imageData.slice(0,3), [0, 255, 0]);

	28

	29 // test width or height -1

	30 canvas.fillStyle = '#000';

	31 canvas.fillRect(0, 0, 1, 2);

	32 canvas.drawImage(canvas2, 0, 0, 1, 1, 1, 1, -1, -1);

	33 var imageData = canvas.getImageData(0, 0, 1, 2).data;

	34 assert_array_equals(imageData.slice(0,3), [255, 0, 0]);

	35 assert_array_equals(imageData.slice(4,7), [0, 0, 0]);

	36

	37 }, "Series of tests to ensure correct behaviour on negative source/destination o f a HTMLCanvasElement");

	38 </script>

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