| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Resource Timing - Shared Entry has Distinct Entry per Frame</title> |
| <link rel="help" href="https://w3c.github.io/resource-timing/#processing-model"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/rt-utilities.sub.js"></script> |
| </head> |
| <body> |
| <h1>Resource Timing: Shared Entry has Distinct Entry per Frame</h1> |
| <div id="log"></div> |
| <iframe id="iframe1" src="resources/rt-iframe-1.html"></iframe> |
| <iframe id="iframe2" src="resources/rt-iframe-2.html"></iframe> |
| <script> |
| setup({explicit_done: true}); |
| |
| window.addEventListener("load", function() { |
| let mainFrameWindow = window; |
| let iframe1Window = document.getElementById("iframe1").contentWindow; |
| let iframe2Window = document.getElementById("iframe2").contentWindow; |
| |
| let promises = []; |
| let sharedResourceURL = uniqueImageURL("shared"); |
| |
| mainFrameWindow.performance.clearResourceTimings(); |
| promises.push(mainFrameWindow.fetch(sharedResourceURL)); |
| |
| wait(); // Ensure a DOMHighResTimeStamp change. |
| |
| iframe1Window.performance.clearResourceTimings(); |
| promises.push(iframe1Window.fetch(sharedResourceURL)); |
| |
| wait(); // Ensure a DOMHighResTimeStamp change. |
| |
| iframe2Window.performance.clearResourceTimings(); |
| promises.push(iframe2Window.fetch(sharedResourceURL)); |
| |
| Promise.all(promises).then(function() { |
| let mainFrameEntries = mainFrameWindow.performance.getEntriesByType("resource"); |
| let iframe1Entries = iframe1Window.performance.getEntriesByType("resource"); |
| let iframe2Entries = iframe2Window.performance.getEntriesByType("resource"); |
| |
| function checkContainsURL(url, list) { |
| for (let entry of list) { |
| if (entry.name === url) |
| return true; |
| } |
| return false; |
| } |
| |
| function assertSharedEntryIsDifferent(sharedEntry, list) { |
| for (let entry of list) { |
| if (entry.name === sharedResourceURL) { |
| assert_not_equals(sharedEntry.startTime, entry.startTime, "shared entry should be different between contexts"); |
| return; |
| } |
| } |
| } |
| |
| test(function(t) { |
| assert_true(checkContainsURL(sharedResourceURL, mainFrameEntries), "main frame should have an entry for the shared resource"); |
| assert_equals(mainFrameEntries.length, 1, "window should have 1 resource entry"); |
| assertSharedEntryIsDifferent(mainFrameEntries[0], iframe1Entries); |
| assertSharedEntryIsDifferent(mainFrameEntries[0], iframe2Entries); |
| }, "main frame has shared resource entry"); |
| |
| test(function(t) { |
| assert_true(checkContainsURL(sharedResourceURL, iframe1Entries), "iframe1 should have an entry for the shared resource"); |
| assert_equals(iframe1Entries.length, 1, "iframe1 should have 1 resource entry"); |
| assertSharedEntryIsDifferent(iframe1Entries[0], mainFrameEntries); |
| assertSharedEntryIsDifferent(iframe1Entries[0], iframe2Entries); |
| }, "iframe1 has shared resource entry"); |
| |
| test(function(t) { |
| assert_true(checkContainsURL(sharedResourceURL, iframe2Entries), "iframe2 should have an entry for the shared resource"); |
| assert_equals(iframe2Entries.length, 1, "iframe2 should have 1 resource entry"); |
| assertSharedEntryIsDifferent(iframe2Entries[0], iframe1Entries); |
| assertSharedEntryIsDifferent(iframe2Entries[0], mainFrameEntries); |
| }, "iframe2 has shared resource entry"); |
| |
| done(); |
| }); |
| }); |
| </script> |
| </body> |
| </html> |
