| <!DOCTYPE html> |
| <script src="../../../resources/testharness.js"></script> |
| <script src="../../../resources/testharnessreport.js"></script> |
| <script> |
| |
| async_test(function(t) { |
| var image = document.createElement('img'); |
| image.src = 'http://localhost:8080/security/resources/abe.png'; |
| image.addEventListener('load', function() { |
| var offscreenCanvas = new OffscreenCanvas(10, 10); |
| var ctx = offscreenCanvas.getContext('2d'); |
| ctx.drawImage(image, 0, 0); |
| offscreenCanvas.convertToBlob().then(t.step_func_done(function() { |
| assert_false("convertToBlob on a tainted OffscreenCanvas didn't throw, but should be"); |
| }), t.step_func_done(function(e) { |
| assert_true(e instanceof DOMException); |
| assert_equals(e.name, "SecurityError"); |
| })); |
| }); |
| }, "Test that call convertToBlob on a tainted OffscreenCanvas throws exception"); |
| |
| </script> |
| |
