| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <link rel="match" href="parse-input-arguments-018-ref.html"> |
| <style> |
| .container { |
| width: 100px; |
| height: 100px; |
| } |
| |
| #canvas-geometry { |
| border:1px solid black; |
| background-image: paint(geometry); |
| } |
| </style> |
| <script src="/common/reftest-wait.js"></script> |
| <script src="/common/css-paint-tests.js"></script> |
| <body> |
| <p>The test result should show only one black rect border. It should not paint |
| any content in the rect because registerPaint will be called twice and the |
| inputArguments will return two different strings, that will throw an exception |
| and paint won't be executed.</p> |
| <div id="canvas-geometry" class="container"></div> |
| |
| <script id="code" type="text/worklet"> |
| function generateRandString(length) { |
| var text = ""; |
| var possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"; |
| for (var i = 0; i < length; i++) |
| text += possible.charAt(Math.floor(Math.random() * possible.length)); |
| return text; |
| } |
| |
| try { |
| registerPaint('geometry', class { |
| static get inputArguments() { |
| // This test is testing the case where an exception should be thrown |
| // when two paint definitions with different properties are registered |
| // to the same paint worklet. In order to do that, we randomly generate |
| // the input properties here. We make the string length 100 to make sure |
| // that it is veryyyyyyyyyyyy unlikely that two strings will be the same |
| // when running this test. |
| var current_str = generateRandString(100); |
| return [current_str]; |
| } |
| paint(ctx, geom) { |
| ctx.strokeStyle = 'red'; |
| ctx.lineWidth = 4; |
| ctx.strokeRect(0, 0, geom.width, geom.height); |
| } |
| }); |
| } catch(ex) { |
| } |
| </script> |
| |
| <script> |
| importPaintWorkletAndTerminateTestAfterAsyncPaint(document.getElementById('code').textContent); |
| </script> |
| </body> |
| </html> |
