From bb43829d29e91c8f314704876293ae3f7b22c82d Mon Sep 17 00:00:00 2001
From: Corey Jewett <cj@syntheticplayground.com>
Date: Sun, 18 Nov 2012 00:51:35 -0800
Subject: In #forEach and queue's worker calling the callback more than once
 causes bad behavior. Throw an Error when this happens.

---
 test/test-async.js | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

(limited to 'test/test-async.js')

diff --git a/test/test-async.js b/test/test-async.js
index 39ec47d..9880f94 100644
--- a/test/test-async.js
+++ b/test/test-async.js
@@ -533,6 +533,18 @@ exports['forEach'] = function(test){
     });
 };
 
+exports['forEach extra callback'] = function(test){
+    var count = 0;
+    async.forEach([1,3,2], function(val, callback) {
+        count++;
+        callback();
+        test.throws(callback);
+        if (count == 3) {
+            test.done();
+        }
+    });
+};
+
 exports['forEach empty array'] = function(test){
     test.expect(1);
     async.forEach([], function(x, callback){
@@ -1284,7 +1296,7 @@ exports['queue'] = function (test) {
     test.equal(q.length(), 4);
     test.equal(q.concurrency, 2);
 
-    setTimeout(function () {
+    q.drain = function () {
         test.same(call_order, [
             'process 2', 'callback 2',
             'process 1', 'callback 1',
@@ -1294,7 +1306,7 @@ exports['queue'] = function (test) {
         test.equal(q.concurrency, 2);
         test.equal(q.length(), 0);
         test.done();
-    }, 800);
+    };
 };
 
 exports['queue changing concurrency'] = function (test) {
@@ -1383,6 +1395,18 @@ exports['queue push without callback'] = function (test) {
     }, 800);
 };
 
+exports['queue too many callbacks'] = function (test) {
+    var q = async.queue(function (task, callback) {
+        callback();
+        test.throws(function() {
+            callback();
+        });
+        test.done();
+    }, 2);
+
+    q.push(1);
+};
+
 exports['queue bulk task'] = function (test) {
     var call_order = [],
         delays = [160,80,240,80];
-- 
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