| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| |
| function CheckPixelRGB(ctx, x, y, rgb) |
| { |
| var imageData = ctx.getImageData(x, y, 1, 1).data; |
| assert_array_equals(imageData.slice(0, 3), rgb); |
| } |
| |
| function TestContextScale(scaleWidth, scaleHeight) |
| { |
| ctx = document.createElement('canvas').getContext('2d'); |
| ctx.scale(scaleWidth, scaleHeight); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0, 0, 100, 100); |
| CheckPixelRGB(ctx, 50, 50, [0, 128, 0]); |
| } |
| |
| function TestContextTranslate(scaleWidth, scaleHeight) |
| { |
| ctx = document.createElement('canvas').getContext('2d'); |
| ctx.translate(scaleWidth, scaleHeight); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0, 0, 100, 100); |
| CheckPixelRGB(ctx, 50, 50, [0, 128, 0]); |
| } |
| |
| function TestContextRotate(rotation) |
| { |
| ctx = document.createElement('canvas').getContext('2d'); |
| ctx.rotate(rotation); |
| ctx.fillStyle = 'green'; |
| ctx.fillRect(0, 0, 100, 100); |
| CheckPixelRGB(ctx, 50, 50, [0, 128, 0]); |
| } |
| |
| var testScenariosScale = [ |
| ['Test scale(NaN, 1)', NaN, 1], |
| ['Test scale(1, NaN)', 1, NaN], |
| ['Test scale(Infinity, 1)', Infinity, 1], |
| ['Test scale(1, Infinity)', 1, Infinity], |
| ]; |
| |
| var testScenariosTranslate = [ |
| ['Test translate(NaN, 1)', NaN, 1], |
| ['Test translate(1, NaN)', 1, NaN], |
| ['Test translate(Infinity, 1)', Infinity, 1], |
| ['Test translate(1, Infinity)', 1, Infinity], |
| ]; |
| |
| var testScenariosRotate = [ |
| ['Test rotate(NaN)', NaN], |
| ['Test translate(Infinity)', Infinity], |
| ]; |
| |
| generate_tests(TestContextScale, testScenariosScale); |
| generate_tests(TestContextTranslate, testScenariosTranslate); |
| generate_tests(TestContextRotate, testScenariosRotate); |
| |
| </script> |
| </body> |
