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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/xhr/tests/test_bug1752863_worker.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/xhr/tests/test_bug1752863_worker.js')
-rw-r--r-- | dom/xhr/tests/test_bug1752863_worker.js | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/dom/xhr/tests/test_bug1752863_worker.js b/dom/xhr/tests/test_bug1752863_worker.js new file mode 100644 index 0000000000..196b825c0c --- /dev/null +++ b/dom/xhr/tests/test_bug1752863_worker.js @@ -0,0 +1,34 @@ +var xhr; +var myself; + +async function handleLoadstart() { + try { + xhr.open("POST", "FOOBAR", false); + // This will potentially queue another "loadstart" event + // before we can catch (err). But the order should be + // guaranteed, that is the first postMessage arriving at + // our parent is from the first catch (err). + xhr.send(); + myself.postMessage("MissingError"); + } catch (err) { + if (err instanceof DOMException) { + // This is what we expect to happen on the first error + // and the parent will check for this to arrive. + myself.postMessage("DOMException"); + } else { + myself.postMessage("OtherError"); + } + // Let's ensure we still bail out from the processing. + xhr.removeEventListener("loadstart", handleLoadstart, true); + throw err; + } +} + +self.onmessage = async function (ev) { + xhr = new XMLHttpRequest({ mozAnon: false }); + myself = self; + xhr.addEventListener("loadstart", handleLoadstart, true); + xhr.open("POST", "FOOBAR", false); + xhr.send(); + postMessage("TERMINATE"); +}; |