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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/webmessaging/message-channels/detached-iframe.window.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/message-channels/detached-iframe.window.js b/testing/web-platform/tests/webmessaging/message-channels/detached-iframe.window.js new file mode 100644 index 0000000000..c19f50ff93 --- /dev/null +++ b/testing/web-platform/tests/webmessaging/message-channels/detached-iframe.window.js @@ -0,0 +1,46 @@ +// META: title=MessageChannel in a detached iframe test +// META: script=/service-workers/service-worker/resources/test-helpers.sub.js +// META: script=/common/gc.js +// Pull in the with_iframe helper function from the service worker tests + + +const IframeAction = { + REMOVE_BEFORE_CREATION: 'remove-before-creation', + REMOVE_AFTER_CREATION: 'remove-after-creation', +}; + +async function detached_frame_test(t, action) { + const iframe = await with_iframe('about:blank'); + const iframe_MessageChannel = iframe.contentWindow.MessageChannel; + + if (action === IframeAction.REMOVE_BEFORE_CREATION) { + iframe.remove(); + } + + (() => { + const mc = new iframe_MessageChannel(); + mc.port1.postMessage("boo"); + mc.port2.onmessage = t.unreached_func("message event received"); + mc.port2.onmessageerror = t.unreached_func("message event received"); + })(); + + if (action === IframeAction.REMOVE_AFTER_CREATION) { + iframe.remove(); + } + + await garbageCollect(); + + // We are testing that neither of the above two events fire. We assume that a 2 second timeout + // is good enough. We can't use any other API for an end condition because each MessagePort has + // its own independent port message queue, which has no ordering guarantees relative to other + // APIs. + await new Promise(resolve => t.step_timeout(resolve, 2000)); +} + +promise_test(async (t) => { + return detached_frame_test(t, IframeAction.REMOVE_AFTER_CREATION); +}, 'MessageChannel created from a detached iframe should not send messages (remove after create)'); + +promise_test(async (t) => { + return detached_frame_test(t, IframeAction.REMOVE_BEFORE_CREATION); +}, 'MessageChannel created from a detached iframe should not send messages (remove before create)'); |