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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/workers/test/eventDispatch_worker.js | |
parent | Initial commit. (diff) | |
download | thunderbird-upstream.tar.xz thunderbird-upstream.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/workers/test/eventDispatch_worker.js')
-rw-r--r-- | dom/workers/test/eventDispatch_worker.js | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/dom/workers/test/eventDispatch_worker.js b/dom/workers/test/eventDispatch_worker.js new file mode 100644 index 0000000000..57bbc99aa3 --- /dev/null +++ b/dom/workers/test/eventDispatch_worker.js @@ -0,0 +1,84 @@ +/** + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ + */ +const fakeEventType = "foo"; + +function testEventTarget(event) { + if (event.target !== self) { + throw new Error("Event has a bad target!"); + } + if (event.currentTarget) { + throw new Error("Event has a bad currentTarget!"); + } + postMessage(event.data); +} + +addEventListener( + fakeEventType, + function (event) { + throw new Error("Trusted event listener received untrusted event!"); + }, + false, + false +); + +addEventListener( + fakeEventType, + function (event) { + if (event.target !== self || event.currentTarget !== self) { + throw new Error("Fake event has bad target!"); + } + if (event.isTrusted) { + throw new Error("Event should be untrusted!"); + } + event.stopImmediatePropagation(); + postMessage(event.data); + }, + false, + true +); + +addEventListener( + fakeEventType, + function (event) { + throw new Error( + "This shouldn't get called because of stopImmediatePropagation." + ); + }, + false, + true +); + +var count = 0; +onmessage = function (event) { + if (event.target !== self || event.currentTarget !== self) { + throw new Error("Event has bad target!"); + } + + if (!count++) { + var exception; + try { + self.dispatchEvent(event); + } catch (e) { + exception = e; + } + + if (!exception) { + throw new Error("Recursive dispatch didn't fail!"); + } + + event = new MessageEvent(fakeEventType, { + bubbles: event.bubbles, + cancelable: event.cancelable, + data: event.data, + origin: "*", + source: null, + }); + self.dispatchEvent(event); + + return; + } + + setTimeout(testEventTarget, 0, event); +}; |