| Kunihiko Sakamoto | fc9b650 | 2018-02-22 06:31:54 | [diff] [blame] | 1 | <!DOCTYPE html> |
| Rob Buis | b1ef6ae | 2019-05-16 13:44:46 | [diff] [blame] | 2 | <title>Makes sure that Link headers preload images with imagesrcset/imagesizes attributes.</title> |
| Kunihiko Sakamoto | fc9b650 | 2018-02-22 06:31:54 | [diff] [blame] | 3 | <link rel="help" href="https://github.com/w3c/preload/issues/120"> |
| 4 | <script src="/resources/testharness.js"></script> |
| 5 | <script src="/resources/testharnessreport.js"></script> |
| 6 | <script src="/preload/resources/preload_helper.js"></script> |
| Kunihiko Sakamoto | fc9b650 | 2018-02-22 06:31:54 | [diff] [blame] | 7 | <body> |
| Kunihiko Sakamoto | fc9b650 | 2018-02-22 06:31:54 | [diff] [blame] | 8 | <script> |
| jugglinmike | 306dc50 | 2019-10-26 07:19:26 | [diff] [blame] | 9 | setup({single_test: true}); |
| Rob Buis | b1ef6ae | 2019-05-16 13:44:46 | [diff] [blame] | 10 | |
| 11 | var iterations = 0; |
| Rob Buis | b0fefa6 | 2019-06-04 16:11:47 | [diff] [blame] | 12 | var expectation = new Array(10).fill(0); |
| 13 | if (window.devicePixelRatio < 1.5) { |
| 14 | expectation[0] = expectation[5] = expectation[8] = 1; |
| 15 | } else if (window.devicePixelRatio >= 1.5) { |
| 16 | expectation[1] = expectation[6] = expectation[9] = 1; |
| 17 | } |
| Rob Buis | b1ef6ae | 2019-05-16 13:44:46 | [diff] [blame] | 18 | |
| 19 | function check_finished() { |
| Rob Buis | b0fefa6 | 2019-06-04 16:11:47 | [diff] [blame] | 20 | if (numberOfResourceTimingEntries('resources/square.png?from-header&1x') == expectation[0] && |
| 21 | numberOfResourceTimingEntries('resources/square.png?from-header&2x') == expectation[1] && |
| 22 | numberOfResourceTimingEntries('resources/square.png?from-header&3x') == expectation[2] && |
| 23 | numberOfResourceTimingEntries('resources/square.png?from-header&base') == expectation[3] && |
| 24 | numberOfResourceTimingEntries('resources/square.png?from-header&200') == expectation[4] && |
| 25 | numberOfResourceTimingEntries('resources/square.png?from-header&400') == expectation[5] && |
| 26 | numberOfResourceTimingEntries('resources/square.png?from-header&800') == expectation[6] && |
| 27 | numberOfResourceTimingEntries('resources/square.png?from-header&150') == expectation[7] && |
| 28 | numberOfResourceTimingEntries('resources/square.png?from-header&300') == expectation[8] && |
| 29 | numberOfResourceTimingEntries('resources/square.png?from-header&600') == expectation[9]) { |
| Rob Buis | b1ef6ae | 2019-05-16 13:44:46 | [diff] [blame] | 30 | done(); |
| 31 | } |
| 32 | iterations++; |
| 33 | if (iterations == 10) { |
| 34 | // At least one is expected to fail, but this should give details to the exact failure(s). |
| Rob Buis | b0fefa6 | 2019-06-04 16:11:47 | [diff] [blame] | 35 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&1x', expectation[0]); |
| 36 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&2x', expectation[1]); |
| 37 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&3x', expectation[2]); |
| 38 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&base', expectation[3]); |
| 39 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&200', expectation[4]); |
| 40 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&400', expectation[5]); |
| 41 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&800', expectation[6]); |
| 42 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&150', expectation[7]); |
| 43 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&300', expectation[8]); |
| 44 | verifyNumberOfResourceTimingEntries('resources/square.png?from-header&600', expectation[9]); |
| Rob Buis | b1ef6ae | 2019-05-16 13:44:46 | [diff] [blame] | 45 | done(); |
| 46 | } else { |
| 47 | step_timeout(check_finished, 500); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | window.addEventListener("load", function() { |
| 52 | verifyPreloadAndRTSupport(); |
| 53 | step_timeout(check_finished, 500); |
| 54 | }); |
| Kunihiko Sakamoto | fc9b650 | 2018-02-22 06:31:54 | [diff] [blame] | 55 | </script> |
| 56 | </body> |
