third_party/WebKit/LayoutTests/fast/canvas/canvas-large-dimensions.html - Issue 2681423002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests.

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Issue 2681423002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)

Patch Set: Created 3 years, 10 months ago

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1 <!DOCTYPE html>	1 <script src='../../resources/testharness.js'></script>

2 <title>Canvas test: test large width/height values</title>	2 <script src='../../resources/testharnessreport.js'></script>

3 <script src="../../resources/js-test.js"></script>	3 <canvas id='c' width='100' height='50'></canvas>

4 <body>

5 <p>Tests that using reasonably large values for canvas.height and canvas.height don't cause a crash"</p>

6 <pre id="console"></pre>

7 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL ( fallback content)</p></canvas>

8 <script>	4 <script>

9 var canvas = document.getElementById("c");	5 // Tests that using reasonably large values for canvas.height and canvas.height do not cause a crash

10 var x, y, w=1, h=1;	6 var canvas = document.getElementById('c');

	7 var x, y, w = 1, h = 1;

11	8

12 testHeight(canvas, 1000);	9 function testLargeDimension(size, isWidth) {

13 testHeight(canvas, 10000);	10 canvas.width = (isWidth ? size : 50);

14 testHeight(canvas, 32000);	11 canvas.height = (isWidth ? 50 : size);

15	12 var ctx = canvas.getContext('2d');

16 testWidth(canvas, 1000);	13 ctx.fillStyle = 'rgba(255, 255, 255, 1)';

17 testWidth(canvas, 10000);	14 assert_equals((isWidth ? canvas.width : canvas.height), size);

18 testWidth(canvas, 32000);	15 x = canvas.width - 2;

19	16 y = canvas.height - 2;

20 function testHeight(canvas, height) {	17 ctx.fillRect(x, y, w, h);

21 canvas.width = 50;	18 var data = ctx.getImageData(x, y, w, h).data;

22 canvas.height = height;	19 for (var i = 0; i < 4; i++)

23 var ctx = canvas.getContext("2d");	20 assert_equals(data[i], 255);

24 ctx.fillStyle = "rgba(255, 255, 255, 1)";

25 var msg = "height == "+height;

26 if (canvas.height == height)

27 testPassed(msg);

28 else

29 testFailed(msg);

30 x = canvas.width-2;

31 y = canvas.height-2;

32 ctx.fillRect(x,y,w,h);

33 var data = ctx.getImageData(x,y,w,h);

34 for (var x = 0; x < 4; x++) {

35 var msg = "Actual: " + data.data[x] + " Expected: 255";

36 if (data.data[x] == 255)

37 testPassed(msg);

38 else

39 testFailed(msg);

40 }

41 }	21 }

42	22

43 function testWidth(canvas, width) {	23 testScenarios = [['Test Width = 1000', 1000, true],

44 canvas.height = 50;	24 ['Test Width = 10000', 10000, true],

45 canvas.width = width;	25 ['Test Width = 32000', 32000, true],

46 var ctx = canvas.getContext("2d");	26

47 ctx.fillStyle = "rgba(255, 255, 255, 1)";	27 ['Test Height = 1000', 1000, false],

48 var msg = "width == "+width;	28 ['Test Height = 10000', 10000, false],

49 if (canvas.width == width)	29 ['Test Height = 32000', 32000, false]];

50 testPassed(msg);	30

51 else	31 generate_tests(testLargeDimension, testScenarios);

52 testFailed(msg);	32

53 x = canvas.width-2;

54 y = canvas.height-2;

55 ctx.fillRect(x,y,w,h);

56 var data = ctx.getImageData(x,y,w,h);

57 for (var x = 0; x < 4; x++) {

58 var msg = "Actual: " + data.data[x] + " Expected: 255";

59 if (data.data[x] == 255)

60 testPassed(msg);

61 else

62 testFailed(msg);

63 }

64 }

65 </script>	33 </script>

66	34

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