| <!DOCTYPE html> |
| <title>ImageDocument UseCounters</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <iframe></iframe> |
| <script> |
| async_test(function() { |
| // From UseCounter.h |
| var ImageDocument = 1274; |
| var ImageDocumentInFrame = 1310; |
| assert_false(internals.isUseCounted(document, ImageDocument)); |
| assert_false(internals.isUseCounted(document, ImageDocumentInFrame)); |
| var iframe = document.querySelector("iframe"); |
| iframe.src = "resources/dice.png"; |
| iframe.onload = this.step_func_done(function() { |
| assert_true(internals.isUseCounted(document, ImageDocument)); |
| assert_true(internals.isUseCounted(document, ImageDocumentInFrame)); |
| }); |
| }); |
| </script> |
