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authorGaming4JC <g4jc@hyperbola.info>2019-12-13 19:57:31 -0500
committerGaming4JC <g4jc@hyperbola.info>2019-12-17 06:25:22 -0500
commitf589ef816682918dddaf13f9dc06aae5253cd56a (patch)
tree5b62f711eefd333a6c8e1c529972fd89ce3d4c3d /js/src/tests/ecma_6
parente23b013adfffbb33804eef572ff1ebf48923ef26 (diff)
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Bug 1317376 - Part 2: Detect Promise self-resolution when resolving through the Promise resolving fast path.
Tag #1287
Diffstat (limited to 'js/src/tests/ecma_6')
-rw-r--r--js/src/tests/ecma_6/Promise/self-resolve.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/tests/ecma_6/Promise/self-resolve.js b/js/src/tests/ecma_6/Promise/self-resolve.js
index e16a2ceb3..4e7e36c6c 100644
--- a/js/src/tests/ecma_6/Promise/self-resolve.js
+++ b/js/src/tests/ecma_6/Promise/self-resolve.js
@@ -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");