| <!-- webkit-test-runner [ enableBackForwardCache=true ] --> |
| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/js-test-resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Tests that a page with an EventSource that is connected can enter the PageCache."); |
| jsTestIsAsync = true; |
| |
| let restoredFromPageCache = false; |
| let openEventCount = 0; |
| let errorEventCount = 0; |
| let shouldNavigateOnMessage = true; |
| |
| window.addEventListener("pageshow", function(event) { |
| debug("pageshow - " + (event.persisted ? "" : "not ") + "from cache"); |
| |
| if (event.persisted) { |
| testPassed("Page did enter and was restored from the page cache"); |
| restoredFromPageCache = true; |
| } |
| }, false); |
| |
| window.addEventListener("pagehide", function(event) { |
| debug("pagehide - " + (event.persisted ? "" : "not ") + "entering cache"); |
| if (!event.persisted) { |
| testFailed("Page did not enter the page cache."); |
| finishJSTest(); |
| } |
| }, false); |
| |
| onload = () => { |
| setTimeout(() => { |
| eventSource = new EventSource("resources/infinite-event-stream.php"); |
| |
| eventSource.onerror = () => { |
| testPassed("Received error event"); |
| errorEventCount++; |
| shouldBeTrue("restoredFromPageCache"); |
| shouldBe("openEventCount", "1"); |
| } |
| |
| eventSource.onopen = () => { |
| testPassed("Received open event"); |
| openEventCount++; |
| } |
| |
| eventSource.onmessage = () => { |
| if (shouldNavigateOnMessage) { |
| shouldNavigateOnMessage = false; |
| testPassed("Received message before entering page cache"); |
| setTimeout(() => { |
| window.location = "/navigation/resources/page-cache-helper.html"; |
| }, 0); |
| return; |
| } |
| if (!restoredFromPageCache) |
| return; |
| |
| testPassed("Received message after restoring from page cache"); |
| shouldBe("openEventCount", "2"); |
| shouldBe("errorEventCount", "1"); |
| finishJSTest(); |
| } |
| }, 0); |
| } |
| |
| </script> |
| </body> |
| </html> |
