Add test coverage of retry errors

2 files changed, 14 insertions, 1 deletions

diff --git a/lib/async.js b/lib/async.js
index f3cfb80..f88f1cd 100644
--- a/lib/async.js
+++ b/lib/async.js
@@ -593,7 +593,7 @@
                 acc.times = parseInt(t.times, 10) || DEFAULT_TIMES;
                 acc.interval = parseInt(t.interval, 10) || DEFAULT_INTERVAL;
             } else {
-                throw new Error('Unsupported argument type for \'times\': ' + typeof(t));
+                throw new Error('Unsupported argument type for \'times\': ' + typeof t);
             }
         }
 
diff --git a/test/test-async.js b/test/test-async.js
index fdb949b..aeaea5b 100755
--- a/test/test-async.js
+++ b/test/test-async.js
@@ -728,6 +728,19 @@ exports['retry when all attempts succeeds'] = function(test) {
     });
 };
 
+exports['retry fails with invalid arguments'] = function(test) {
+    test.throws(function() {
+        async.retry("");
+    });
+    test.throws(function() {
+        async.retry();
+    });
+    test.throws(function() {
+        async.retry(function() {}, 2, function() {});
+    });
+    test.done();
+};
+
 exports['retry with interval when all attempts succeeds'] = function(test) {
     var times = 3;
     var interval = 500;