| <!DOCTYPE html> |
| <title>Ensure preloaded resources are not downloaded again when used</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/preload/resources/preload_helper.js"></script> |
| <link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image> |
| <script> |
| var link = document.getElementsByTagName("link")[0] |
| assert_equals(link.as, "image"); |
| link.addEventListener("load", () => { |
| verifyPreloadAndRTSupport(); |
| verifyNumberOfResourceTimingEntries("resources/square.png?pipe=trickle(d1)", 1); |
| var img = document.createElement("img"); |
| img.src = "resources/square.png?pipe=trickle(d1)"; |
| img.onload = () => { |
| verifyLoadedAndNoDoubleDownload("resources/square.png?pipe=trickle(d1)"); |
| done(); |
| }; |
| document.body.appendChild(img); |
| }); |
| </script> |
| <body> |
