| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| <script src="resources/webgl-test.js"></script> |
| <script> |
| |
| var defaultAttributes = { |
| alpha : true, |
| depth : true, |
| stencil : false, |
| // FIXME: context.getContextAttributes().antialias is always false on |
| // content shell with --run-layout-test option. See http://crbug.com/375682 |
| // antialias : true, |
| premultipliedAlpha : true, |
| preserveDrawingBuffer : false, |
| failIfMajorPerformanceCaveat : false, |
| }; |
| |
| var falseAttributes = { |
| alpha : false, |
| depth : false, |
| stencil : false, |
| // FIXME: context.getContextAttributes().antialias is always false on |
| // content shell with --run-layout-test option. See http://crbug.com/375682 |
| // antialias : true, |
| premultipliedAlpha : false, |
| preserveDrawingBuffer : false, |
| failIfMajorPerformanceCaveat : false, |
| }; |
| |
| function testAttributes(expectedAttributes, checkValue) { |
| |
| if (arguments.length != 1 && arguments.length != 2) |
| return; |
| |
| var canvas = document.createElement("canvas"); |
| var initialAttributes = {}; |
| var isUndefinedOrNull = arguments.length == 2 && |
| (checkValue == undefined || checkValue == null); |
| |
| if (isUndefinedOrNull) |
| for (key in expectedAttributes) |
| initialAttributes[key] = checkValue; |
| |
| var context = create3DContext(canvas, initialAttributes); |
| |
| window.actualContextAttributes = context.getContextAttributes(); |
| |
| for (key in expectedAttributes) |
| shouldBe("actualContextAttributes." + key, |
| expectedAttributes[key].toString()); |
| } |
| |
| </script> |
| </head> |
| <body> |
| <script> |
| |
| debug("Testing default value:"); |
| testAttributes(defaultAttributes); |
| debug("") |
| |
| debug("Testing undefined value:"); |
| testAttributes(defaultAttributes, undefined); |
| debug("") |
| |
| debug("Testing null value:"); |
| testAttributes(falseAttributes, null); |
| debug("") |
| |
| </script> |
| </body> |
