LayoutTests/fast/canvas/webgl/webgl-context-attributes-default-value.html - Issue 795833004: Use dictionaries for context creation attributes. Eliminate custom bindings.

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Issue 795833004: Use dictionaries for context creation attributes. Eliminate custom bindings. (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Rebased. Created 6 years 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/js-test.js"></script>

5 <script src="resources/webgl-test.js"></script>	5 <script src="resources/webgl-test.js"></script>

6 <script>	6 <script>

7	7

8 var checkAttributes = {	8 var defaultAttributes = {

9 alpha : true,	9 alpha : true,

10 depth : true,	10 depth : true,

11 stencil : false,	11 stencil : false,

12 // FIXME: context.getContextAttributes().antialias is always false on	12 // FIXME: context.getContextAttributes().antialias is always false on

13 // content shell with --dump-render-tree option. See http://crbug.com/375682	13 // content shell with --dump-render-tree option. See http://crbug.com/375682

14 // antialias : true,	14 // antialias : true,

15 premultipliedAlpha : true,	15 premultipliedAlpha : true,

16 preserveDrawingBuffer : false,	16 preserveDrawingBuffer : false,

17 failIfMajorPerformanceCaveat : false,	17 failIfMajorPerformanceCaveat : false,

18 };	18 };

19	19

	20 var falseAttributes = {

	21 alpha : false,

	22 depth : false,

	23 stencil : false,

	24 // FIXME: context.getContextAttributes().antialias is always false on

	25 // content shell with --dump-render-tree option. See http://crbug.com/375682

	26 // antialias : true,

	27 premultipliedAlpha : false,

	28 preserveDrawingBuffer : false,

	29 failIfMajorPerformanceCaveat : false,

	30 };

	31

20 function testAttributes(expectedAttributes, checkValue) {	32 function testAttributes(expectedAttributes, checkValue) {

21	33

22 if (arguments.length != 1 && arguments.length != 2)	34 if (arguments.length != 1 && arguments.length != 2)

23 return;	35 return;

24	36

25 var canvas = document.createElement("canvas");	37 var canvas = document.createElement("canvas");

26 var initialAttributes = {};	38 var initialAttributes = {};

27 var isUndefinedOrNull = arguments.length == 2 &&	39 var isUndefinedOrNull = arguments.length == 2 &&

28 (checkValue == undefined \|\| checkValue == null);	40 (checkValue == undefined \|\| checkValue == null);

29	41

30 if (isUndefinedOrNull)	42 if (isUndefinedOrNull)

31 for (key in expectedAttributes)	43 for (key in expectedAttributes)

32 initialAttributes[key] = checkValue;	44 initialAttributes[key] = checkValue;

33	45

34 var context = create3DContext(canvas, initialAttributes);	46 var context = create3DContext(canvas, initialAttributes);

35	47

36 window.actualContextAttributes = context.getContextAttributes();	48 window.actualContextAttributes = context.getContextAttributes();

37	49

38 for (key in expectedAttributes)	50 for (key in expectedAttributes)

39 shouldBe("actualContextAttributes." + key,	51 shouldBe("actualContextAttributes." + key,

40 expectedAttributes[key].toString());	52 expectedAttributes[key].toString());

41 }	53 }

42	54

43 </script>	55 </script>

44 </head>	56 </head>

45 <body>	57 <body>

46 <script>	58 <script>

47	59

48 debug("Testing default value:");	60 debug("Testing default value:");

49 testAttributes(checkAttributes);	61 testAttributes(defaultAttributes);

50 debug("")	62 debug("")

51	63

52 debug("Testing undefined value:");	64 debug("Testing undefined value:");

53 testAttributes(checkAttributes, undefined);	65 testAttributes(defaultAttributes, undefined);

54 debug("")	66 debug("")

55	67

56 debug("Testing null value:");	68 debug("Testing null value:");

57 testAttributes(checkAttributes, null);	69 testAttributes(falseAttributes, null);

58 debug("")	70 debug("")

59	71

60 </script>	72 </script>

61 </body>	73 </body>

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