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Bug 1317376 - Part 2: Detect Promise self-resolution when resolving through the Promise resolving fast path.

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Tag #1287
This commit is contained in:
Gaming4JC 2019-12-13 19:57:31 -05:00 • committed by Roy Tam
commit 70cbae88ea
2 changed files with 34 additions and 18 deletions
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20
js/src/tests/ecma_6/Promise/self-resolve.js
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@ -5,6 +5,7 @@ if (!this.Promise) {
quit(0);
}
// Resolve Promise with itself by directly calling the "Promise Resolve Function".
let resolve;
let promise = new Promise(function(x) { resolve = x; });
resolve(promise)
@ -20,4 +21,23 @@ drainJobQueue()
assertEq(results.length, 1);
assertEq(results[0], "rejected");
// Resolve Promise with itself when the "Promise Resolve Function" is called
// from (the fast path in) PromiseReactionJob.
results = [];
promise = new Promise(x => { resolve = x; });
let promise2 = promise.then(() => promise2);
promise2.then(() => assertEq(true, false, "not reached"), res => {
assertEq(res instanceof TypeError, true);
results.push("rejected");
});
resolve();
drainJobQueue();
assertEq(results.length, 1);
assertEq(results[0], "rejected");
this.reportCompare && reportCompare(0, 0, "ok");