| <!DOCTYPE html> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| const minHeaderSize = 100; |
| const abePngSize = 12242; |
| var t = async_test('PerformanceResourceTiming multipart image'); |
| |
| function waitForEntry() { |
| var image = document.getElementById('testingImage'); |
| var src = image.getAttribute('src'); |
| var absoluteUrl = new URL(src, location.href).href; |
| waitForEntryWithUrl(absoluteUrl); |
| } |
| |
| function waitForEntryWithUrl(absoluteUrl) { |
| var entries = performance.getEntriesByName(absoluteUrl, 'resource'); |
| if (entries.length === 1) { |
| t.step(() => checkTransferSize(entries[0])); |
| } else { |
| // TODO(ricea): Find a better way to know when the entry is available. |
| t.step_timeout(() => waitForEntryWithUrl(absoluteUrl), 10); |
| } |
| } |
| |
| function checkTransferSize(entry) { |
| // These comparisons are not strict because multipart responses are |
| // non-standard. Any reasonable answer is acceptable. |
| assert_greater_than(entry.encodedBodySize, abePngSize - 1, 'encodedBodySize'); |
| assert_greater_than(entry.decodedBodySize, abePngSize - 1, 'decodedBodySize'); |
| assert_greater_than(entry.transferSize, abePngSize + minHeaderSize, 'transferSize'); |
| t.done(); |
| } |
| </script> |
| <img id=testingImage src="/multipart/resources/multipart.php?loop=0&interval=0&img1=abe.png" onload="waitForEntry()"> |
