| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>Resource Timing memory cached resources</title> |
| <link rel="author" title="Google" href="http://www.google.com/" /> |
| <link rel="help" href="http://www.w3.org/TR/resource-timing/#dom-performanceresourcetiming-initiatortype"/> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/webperftestharness.js"></script> |
| <script src="resources/webperftestharnessextension.js"></script> |
| <script> |
| setup({explicit_done: true}); |
| let d; |
| let iframe; |
| let iframeBody; |
| let count = 0; |
| function onload_prep() { |
| iframe = document.getElementById('frameContext'); |
| d = iframe.contentWindow.document; |
| iframeBody = d.body; |
| |
| const image = d.createElement('img'); |
| image.addEventListener('load', function() { |
| step_timeout(onload_test, 0); }); |
| image.src = 'blue.png?id=cached'; |
| iframeBody.appendChild(image); |
| |
| const image2 = d.createElement('img'); |
| image2.addEventListener('load', function() { |
| step_timeout(onload_test, 0); }); |
| image2.src = 'blue.png?id=cached'; |
| iframeBody.appendChild(image2); |
| } |
| |
| function onload_test() { |
| ++count; |
| if (count < 2) |
| return; |
| |
| const context = new PerformanceContext(iframe.contentWindow.performance); |
| const entries = context.getEntriesByType('resource'); |
| test_equals(entries.length, 1, "There should be only one entry"); |
| |
| const index = window.location.pathname.lastIndexOf('/'); |
| const pathname = window.location.pathname.substring(0, index); |
| let expected_entries = {}; |
| expected_entries[pathname + '/resources/blue.png?id=cached'] = 'img'; |
| test_resource_entries(entries, expected_entries); |
| test_greater_than(entries[0].requestStart, 0, 'requestStart should be non-zero on the same-origin request'); |
| test_greater_or_equals(entries[0].responseEnd, entries[0].startTime, 'responseEnd should not be before startTime'); |
| test_greater_or_equals(entries[0].duration, 0, 'duration should not be negative'); |
| |
| context.clearResourceTimings(); |
| start_crossorigin_test(); |
| } |
| function start_crossorigin_test() { |
| const image3 = d.createElement('img'); |
| image3.addEventListener("load", function() { step_timeout(finish_crossorigin_test, 0); }); |
| image3.src = 'http://{{domains[www1]}}:{{ports[http][1]}}{{location[path]}}/../resources/blue.png?id=cached'; |
| iframeBody.appendChild(image3); |
| } |
| function finish_crossorigin_test() { |
| const context = new PerformanceContext(iframe.contentWindow.performance); |
| const entries = context.getEntriesByType('resource'); |
| test_equals(entries.length, 1, 'There should be one entry in second test'); |
| test_true(entries[0].name.startsWith('http://{{domains[www1]}}:{{ports[http][1]}}'), 'Entry name should start with cross-origin domain'); |
| test_true(entries[0].name.endsWith('/resources/blue.png?id=cached'), 'Entry name should end with file name'); |
| test_equals(entries[0].requestStart, 0, 'requestStart should be 0 on the cross-origin request'); |
| done(); |
| } |
| window.setup_iframe = () => {}; |
| window.addEventListener('load', onload_prep); |
| </script> |
| </head> |
| <body> |
| <h1>Description</h1> |
| <p>This test validates that a memory cached resource appears in the buffer once.</p> |
| <div id="log"></div> |
| <iframe id="frameContext" src="resources/inject_resource_test.html"></iframe> |
| <img src="resources/blue.png?id=cached"></img> |
| <img src="http://{{domains[www1]}}:{{ports[http][1]}}{{location[path]}}/../resources/blue.png?id=cached"></img> |
| </body> |
| </html> |
