| <!DOCTYPE html> |
| <link rel="help" href="https://github.com/w3c/preload/issues/120"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/preload/resources/preload_helper.js"></script> |
| <script> |
| var t = async_test('Makes sure that Link headers preload images with (experimental) imagesrcset/imagesizes attributes.'); |
| </script> |
| <body> |
| <script> |
| window.addEventListener("load", t.step_func(function() { |
| t.step_timeout(function() { |
| verifyPreloadAndRTSupport(); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&1x', 1); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&2x', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&3x', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&base', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&200', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&400', 1); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&800', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&150', 0); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&300', 1); |
| verifyNumberOfResourceTimingEntries('resources/square.png?from-header&600', 0); |
| t.done(); |
| }, 3000); |
| })); |
| </script> |
| </body> |
