| <!DOCTYPE html> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script> |
| var t = async_test('Make sure that previously non-matching source based image resources are downloaded after the viewport changes.'); |
| </script> |
| <iframe id=frame src="resources/image-picture-download-after-shrink-frame.html" width="700px"></iframe> |
| <script> |
| window.addEventListener("message", t.step_func(function(msg) { |
| if (msg.data == "shrink") { |
| document.getElementsByTagName("iframe")[0].width = "150px"; |
| } else if (msg.data.indexOf("test_") != -1) { |
| assert_equals(msg.data, "test_2"); |
| t.done(); |
| } |
| })); |
| |
| // Since we want to see that a new resource wasn't downloaded, the only way is a timeout. |
| setTimeout(t.step_func(function() { |
| document.getElementById("frame").contentWindow.postMessage("test", "*"); |
| }), 500); |
| </script> |
