Support alternate close error on Queue

Author: kriskowal

queue.js

@@ -17,15 +17,15 @@ function Queue() {
         get: function () {
             var result = ends.promise.get("head");
             ends.promise = ends.promise.get("tail");
-            return result.fail(function (reason) {
-                closed.resolve();
-                throw reason;
+            return result.fail(function (error) {
+                closed.resolve(error);
+                throw error;
             });
         },
         closed: closed.promise,
-        close: function (reason) {
-            reason = reason || new Error("Can't get value from closed queue");
-            var end = {head: Q.reject(reason)};
+        close: function (error) {
+            error = error || new Error("Can't get value from closed queue");
+            var end = {head: Q.reject(error)};
             end.tail = end;
             ends.resolve(end);
             return closed.promise;

spec/queue-spec.js

@@ -1,6 +1,8 @@
 
 var Q = require("../q");
 var Queue = require("../queue");
+
+global.Q = Q;
 require("./lib/jasmine-promise");
 
 describe("queue", function () {
@@ -142,7 +144,36 @@ describe("queue", function () {
         })
         .catch(function (error) {
             expect(error.message).toBe("Can't get value from closed queue");
-        });
+        })
+        .then(function () {
+            return queue.closed;
+        })
+        .then(function (error) {
+            expect(error.message).toBe("Can't get value from closed queue");
+        })
+    });
+
+    it("should close with alternate error", function () {
+
+        var queue = Queue();
+        queue.close(new Error("Alternate reason"));
+
+        return Q.try(function () {
+            return queue.get();
+        })
+        .catch(function (error) {
+            expect(error.message).toBe("Alternate reason");
+            return queue.get();
+        })
+        .catch(function (error) {
+            expect(error.message).toBe("Alternate reason");
+        })
+        .then(function () {
+            return queue.closed;
+        })
+        .then(function (error) {
+            expect(error.message).toBe("Alternate reason");
+        })
     });
 
 });