third_party/WebKit/LayoutTests/fast/canvas/canvas-getImageData-rounding.html - Issue 2771933002: Update createImageData/getImageData/putImageData from float to long

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Issue 2771933002: Update createImageData/getImageData/putImageData from float to long (Closed)

Patch Set: Reset tests Created 3 years, 8 months ago

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1 <script src="../../resources/testharness.js"></script>	1 <script src="../../resources/testharness.js"></script>

2 <script src="../../resources/testharnessreport.js"></script>	2 <script src="../../resources/testharnessreport.js"></script>

3 <body>	3 <body>

4 <script>	4 <script>

5 test(function(t) {	5 test(function(t) {

6 ctx = document.createElement('canvas').getContext('2d');	6 ctx = document.createElement('canvas').getContext('2d');

7	7

8 function testDimensions(sx, sy, sw, sh, width, height)	8 function testDimensions(sx, sy, sw, sh, width, height)

9 {	9 {

10 imageData = ctx.getImageData(sx, sy, sw, sh);	10 imageData = ctx.getImageData(sx, sy, sw, sh);

11 assert_equals(imageData.width, width);	11 assert_equals(imageData.width, width);

12 assert_equals(imageData.height, height);	12 assert_equals(imageData.height, height);

13 }	13 }

14	14

15 // Basic integer values	15 // Basic integer values

16 testDimensions( 0, 0, 20, 10, 20, 10);	16 testDimensions( 0, 0, 20, 10, 20, 10);

17	17

18 // Source point is not an integer	18 // Source point is not an integer

19 testDimensions( .1, .2, 20, 10, 21, 11);	19 testDimensions( .1, .2, 20, 10, 20, 10);

20 testDimensions( .9, .8, 20, 10, 21, 11);	20 testDimensions( .9, .8, 20, 10, 20, 10);

21	21

22 // Size is not an integer	22 // Size is not an integer

23 testDimensions( 0, 0, 19.9, 9.9, 20, 10);	23 testDimensions( 0, 0, 20.9, 10.9, 20, 10);

24 testDimensions( 0, 0, 19.1, 9.1, 20, 10);	24 testDimensions( 0, 0, 20.1, 10.1, 20, 10);

25	25

26 // Width straddles a pixel boundary

27 testDimensions( .9, 0, .2, 10, 2, 10);

28

29 // Basic integer negative values	26 // Basic integer negative values

30 testDimensions( -1, -1, 20, 10, 20, 10);	27 testDimensions( -1, -1, 20, 10, 20, 10);

31	28

32 // Non-integer negative values	29 // Non-integer negative values

33 testDimensions(-1.1, 0, 20, 10, 21, 10);	30 testDimensions(-1.1, 0, 20, 10, 20, 10);

34 testDimensions(-1.9, 0, 20, 10, 21, 10);	31 testDimensions(-1.9, 0, 20, 10, 20, 10);

35 }, 'Test the handling of non-integer source coordinates in getImageData().');	32 }, 'Test the handling of non-integer source coordinates in getImageData().');

36 </script>	33 </script>

37 </body>	34 </body>

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