1 files changed, 60 insertions, 0 deletions
diff --git a/js/src/tests/non262/Promise/get-wait-for-all-promise.js b/js/src/tests/non262/Promise/get-wait-for-all-promise.js
new file mode 100644
index 0000000000..69464ce08b
--- /dev/null
+++ b/js/src/tests/non262/Promise/get-wait-for-all-promise.js
@@ -0,0 +1,60 @@
+// |reftest| skip-if(!xulRuntime.shell) -- needs getSelfHostedValue and drainJobQueue
+
+function onResolved(val) {
+    result = 'resolved with ' + val;
+}
+
+function onRejected(val) {
+    result = 'rejected with ' + val;
+}
+
+// Replacing `Promise#then` shouldn't affect getWaitForAllPromise.
+let originalThen = Promise.prototype.then;
+Promise.prototype.then = 1;
+
+// Replacing Promise[@@species] shouldn't affect getWaitForAllPromise.
+Object.defineProperty(Promise, Symbol.species, { get: function(){} });
+
+// Replacing `Promise` shouldn't affect getWaitForAllPromise.
+let PromiseCtor = Promise;
+Promise = {};
+
+// Replacing Array[@@iterator] shouldn't affect getWaitForAllPromise.
+Array.prototype[Symbol.iterator] = function(){};
+
+let resolveFunctions = [];
+let rejectFunctions = [];
+let promises = [];
+for (let i = 0; i < 3; i++) {
+    let p = new PromiseCtor(function(res_, rej_) {
+        resolveFunctions.push(res_);
+        rejectFunctions.push(rej_);
+    });
+    promises.push(p);
+}
+
+let allPromise = getWaitForAllPromise(promises);
+let then = originalThen.call(allPromise, onResolved, onRejected);
+
+resolveFunctions.forEach((fun, i)=>fun(i));
+drainJobQueue();
+
+assertEq(result, 'resolved with 0,1,2');
+
+// Empty lists result in a promise resolved with an empty array.
+result = undefined;
+originalThen.call(getWaitForAllPromise([]), v=>(result = v));
+drainJobQueue();
+assertEq(result instanceof Array, true);
+assertEq(result.length, 0);
+
+//Empty lists result in a promise resolved with an empty array.
+result = undefined;
+originalThen.call(getWaitForAllPromise([]), v=>(result = v));
+
+drainJobQueue();
+
+assertEq(result instanceof Array, true);
+assertEq(result.length, 0);
+
+this.reportCompare && reportCompare(true,true);