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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/webmessaging/message-channels/close.any.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/message-channels/close.any.js b/testing/web-platform/tests/webmessaging/message-channels/close.any.js new file mode 100644 index 0000000000..8741d894b9 --- /dev/null +++ b/testing/web-platform/tests/webmessaging/message-channels/close.any.js @@ -0,0 +1,62 @@ +// How long (in ms) these tests should wait before deciding no further messages +// will be received. +const time_to_wait_for_messages = 100; + +async_test(t => { + const c = new MessageChannel(); + c.port1.onmessage = t.unreached_func('Should not have delivered message'); + c.port1.close(); + c.port2.postMessage('TEST'); + setTimeout(t.step_func_done(), time_to_wait_for_messages); + }, 'Message sent to closed port should not arrive.'); + +async_test(t => { + const c = new MessageChannel(); + c.port1.onmessage = t.unreached_func('Should not have delivered message'); + c.port2.close(); + c.port2.postMessage('TEST'); + setTimeout(t.step_func_done(), time_to_wait_for_messages); + }, 'Message sent from closed port should not arrive.'); + +async_test(t => { + const c = new MessageChannel(); + c.port1.onmessage = t.unreached_func('Should not have delivered message'); + c.port1.close(); + const c2 = new MessageChannel(); + c2.port1.onmessage = t.step_func(e => { + e.ports[0].postMessage('TESTMSG'); + setTimeout(t.step_func_done(), time_to_wait_for_messages); + }); + c2.port2.postMessage('TEST', [c.port2]); + }, 'Message sent to closed port from transferred port should not arrive.'); + +async_test(t => { + const c = new MessageChannel(); + let isClosed = false; + c.port1.onmessage = t.step_func_done(e => { + assert_true(isClosed); + assert_equals(e.data, 'TEST'); + }); + c.port2.postMessage('TEST'); + c.port2.close(); + isClosed = true; + }, 'Inflight messages should be delivered even when sending port is closed afterwards.'); + +async_test(t => { + const c = new MessageChannel(); + c.port1.onmessage = t.step_func_done(e => { + if (e.data == 'DONE') t.done(); + assert_equals(e.data, 'TEST'); + c.port1.close(); + }); + c.port2.postMessage('TEST'); + c.port2.postMessage('DONE'); + }, 'Close in onmessage should not cancel inflight messages.'); + +test(() => { + const c1 = new MessageChannel(); + const c2 = new MessageChannel(); + c1.port1.close(); + assert_throws_dom("DataCloneError", () => c2.port1.postMessage(null, [c1.port1])); + c2.port1.postMessage(null, [c1.port2]); +}, "close() detaches a MessagePort (but not the one its entangled with)"); |