third_party/WebKit/LayoutTests/fast/canvas/translate-text.html - Issue 2343793002: Convert fast/canvas Layouttests to testharness

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Issue 2343793002: Convert fast/canvas Layouttests to testharness (Closed)

Patch Set: Removing the non js-test and adding new synchronous test Created 4 years, 3 months ago

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

2 <html>	2 <title>Test for chromium's canvas bug where fillText resets the current context< /title>

3 <head>	3 <script src="../../resources/testharness.js"></script>

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

5 </head>	5

6 <body>	6 <body></body>

7 <script src="script-tests/translate-text.js"></script>	7 <script>

8 </body>	8 // Chromium Bug: https://bugs.webkit.org/show_bug.cgi?id=26436.

9 </html>	9 // You must see green box with message 'This text should be seen',

	10 // and black box below the green box.

	11 test(function() {

	12 function pixelToString(p) {

	13 return "[" + p[0] + ", " + p[1] + ", " + p[2] + ", " + p[3] + "]"

	14 }

	15

	16 var canvas = document.createElement("canvas");

	17 canvas.height = 100;

	18 canvas.width = 500;

	19 canvas.style.height = "100";

	20 canvas.style.width = "500";

	21

	22 document.body.appendChild(canvas);

	23

	24 var ctx = canvas.getContext('2d');

	25 ctx.fillStyle = 'rgb(0,255,0)';

	26 ctx.fillRect(0, 0, 500, 100);

	27 ctx.fillStyle = 'rgb(0,0,0)';

	28 ctx.fillText("This text should be seen", 20, 20);

	29 ctx.translate(0, 50);

	30 ctx.font = "10pt Arial";

	31 ctx.fillText("This text should NOT be seen", 20, 20);

	32 // If fillText resets the current context, this rectangle won't hide the tex t.

	33 ctx.fillStyle = 'rgb(0,0,0)';

	34 ctx.fillRect(0, 0, 500, 50);

	35

	36 // Pixel value at 0, 0

	37 var imageData = ctx.getImageData(0, 0, 1, 1);
	Srirama 2016/09/16 06:58:43 same here also, var pixelData = ctx.getImageData(0 same here also, var pixelData = ctx.getImageData(0, 0, 1, 1).data; Abhishek Kanike 2016/09/16 08:53:41 Done. Show quoted text On 2016/09/16 06:58:43, Srirama wrote: > same here also, > var pixelData = ctx.getImageData(0, 0, 1, 1).data; Done.
	38 var pixel = imageData.data;

	39

	40 assert_equals(pixelToString(pixel), "[0, 255, 0, 255]");

	41 });

	42 </script>

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