| <!DOCTYPE html> |
| <script src="/js-test-resources/js-test.js"></script> |
| <script> |
| description("Test that WebSockets are not subject to the HTTP connection limit."); |
| |
| window.jsTestIsAsync = true; |
| |
| const SOCKETS_TO_OPEN = 50; |
| // PARALLELISM limits the number of connections we try to open simultaneously. |
| // This avoids triggering the throttling added in http://crrev.com/972963002, |
| // which slows the test down considerably. 4 is the maximum number of |
| // simultaneous pending connections guaranteeed to have zero throttling delay |
| // applied, but parallelism of 2 seems to give the best performance in practice. |
| const PARALLELISM = 2; |
| |
| var socketsOpened = 0; |
| var sockets = []; |
| |
| function createNewWebSocket() |
| { |
| var ws = new WebSocket("ws://127.0.0.1:8880/echo"); |
| sockets.push(ws); |
| ws.onopen = function() { |
| if (sockets.length < SOCKETS_TO_OPEN) { |
| createNewWebSocket(); |
| } |
| ++socketsOpened; |
| if (socketsOpened == SOCKETS_TO_OPEN) { |
| cleanUpSocketsAndFinish(); |
| } |
| }; |
| ws.onclose = function() { |
| testFailed("unexpected close event"); |
| cleanUpSocketsAndFinish(); |
| }; |
| } |
| |
| function cleanUpSocketsAndFinish() |
| { |
| for (var ws of sockets) { |
| ws.onclose = null; |
| ws.close(); |
| } |
| shouldBeEqualToNumber("socketsOpened", SOCKETS_TO_OPEN); |
| finishJSTest(); |
| } |
| |
| for (var i = 0; i < PARALLELISM; ++i) { |
| createNewWebSocket(); |
| } |
| </script> |
