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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /js/src/tests/non262/Promise/promise-rejection-tracking.js | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/Promise/promise-rejection-tracking.js')
-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); |