diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/Promise/promise-rejection-tracking.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/Promise/promise-rejection-tracking.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/non262/Promise/promise-rejection-tracking.js b/js/src/tests/non262/Promise/promise-rejection-tracking.js new file mode 100644 index 0000000000..a596fa6a99 --- /dev/null +++ b/js/src/tests/non262/Promise/promise-rejection-tracking.js @@ -0,0 +1,31 @@ +// |reftest| skip-if(!xulRuntime.shell) -- needs setPromiseRejectionTrackerCallback + +const UNHANDLED = 0; +const HANDLED = 1; + +let rejections = new Map(); +function rejectionTracker(promise, state) { + rejections.set(promise, state); +} +setPromiseRejectionTrackerCallback(rejectionTracker); + +// Unhandled rejections are tracked. +let reject; +let p = new Promise((res_, rej_) => (reject = rej_)); +assertEq(rejections.has(p), false); +reject('reason'); +assertEq(rejections.get(p), UNHANDLED); +// Later handling updates the tracking. +p.then(_=>_, _=>_); +assertEq(rejections.get(p), HANDLED); + +rejections.clear(); + +// Handled rejections aren't tracked at all. +p = new Promise((res_, rej_) => (reject = rej_)); +assertEq(rejections.has(p), false); +p.then(_=>_, _=>_); +reject('reason'); +assertEq(rejections.has(p), false); + +this.reportCompare && reportCompare(true,true); |