| <!DOCTYPE html> |
| <html> |
| <body> |
| <script src="../../resources/js-test-pre.js"></script> |
| <div id="user"></div> |
| <script> |
| description("Tests for a caching bug on DOMStringMap causing us to return an outdated value."); |
| |
| const div = document.getElementById("user"); |
| let success = true; |
| for (var i = 0; i < 100000; ++i) { |
| if (i == 90000) |
| div.setAttribute("data-test", "value"); |
| |
| if (!div.dataset.test) { |
| if (i >= 90000) { |
| testFailed("div.dataset.test returned undefined but should not have"); |
| success = false; |
| break; |
| } |
| } else { |
| if (i < 90000) { |
| testFailed("div.dataset.test did not return undefined but should have"); |
| success = false; |
| break; |
| } |
| } |
| } |
| |
| if (success) |
| testPassed("The bug did not reproduce."); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
