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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 /js/src/tests/non262/Promise/promise-subclassing.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-subclassing.js | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/js/src/tests/non262/Promise/promise-subclassing.js b/js/src/tests/non262/Promise/promise-subclassing.js new file mode 100644 index 0000000000..7232205f45 --- /dev/null +++ b/js/src/tests/non262/Promise/promise-subclassing.js @@ -0,0 +1,62 @@ +// |reftest| skip-if(!xulRuntime.shell) -- needs drainJobQueue + +let results = []; + +class SubPromise extends Promise { + constructor(executor) { + results.push('SubPromise ctor called'); + super(executor); + } + then(res, rej) { + results.push('SubPromise#then called'); + return intermediatePromise = super.then(res, rej); + } +} + +let subPromise = new SubPromise(function(res, rej) { + results.push('SubPromise ctor called executor'); + res('result'); +}); + +let intermediatePromise; +let allSubPromise = SubPromise.all([subPromise]); + +assertEq(subPromise instanceof SubPromise, true); +assertEq(allSubPromise instanceof SubPromise, true); +assertEq(intermediatePromise instanceof SubPromise, true); + +expected = [ +'SubPromise ctor called', +'SubPromise ctor called executor', +'SubPromise ctor called', +'SubPromise#then called', +'SubPromise ctor called', +]; + +assertEq(results.length, expected.length); +expected.forEach((expected,i) => assertEq(results[i], expected)); + +subPromise.then(val=>results.push('subPromise.then with val ' + val)); +allSubPromise.then(val=>results.push('allSubPromise.then with val ' + val)); + +expected.forEach((expected,i) => assertEq(results[i], expected)); +expected = expected.concat([ +'SubPromise#then called', +'SubPromise ctor called', +'SubPromise#then called', +'SubPromise ctor called', +]); + +assertEq(results.length, expected.length); +expected.forEach((expected,i) => assertEq(results[i], expected)); + +drainJobQueue(); + +expected = expected.concat([ +'subPromise.then with val result', +'allSubPromise.then with val result', +]); + +assertEq(results.length, expected.length); + +this.reportCompare && reportCompare(0, 0, "ok"); |