{"action":"created","comment":{"url":"https://api.github.com/repos/apache/reef/pulls/comments/69838751","id":69838751,"diff_hunk":"@@ -380,6 +380,45 @@ public void TestBroadcastOperator()\n             Assert.Equal(value, receiver2.Receive());\n         }\n \n+        /// <summary>\n+        /// Test IBroadcastReceiver.Receive() with and without cancellation token\n+        /// </summary>\n+        [Fact]\n+        public void TestBroadcastOperatorWithCancelation()\n+        {\n+            string groupName = \"group1\";\n+            string operatorName = \"broadcast\";\n+            string masterTaskId = \"task0\";\n+            string driverId = \"Driver Id\";\n+            int numTasks = 10;\n+            int value = 1337;\n+            int fanOut = 3;\n+\n+            IGroupCommDriver groupCommDriver = GetInstanceOfGroupCommDriver(driverId, masterTaskId, groupName, fanOut, numTasks);\n+\n+            var commGroup = groupCommDriver.DefaultGroup\n+                .AddBroadcast(operatorName, masterTaskId)\n+                .Build();\n+\n+            List<ICommunicationGroupClient> commGroups = CommGroupClients(groupName, numTasks, groupCommDriver, commGroup, GetDefaultCodecConfig());\n+\n+            IBroadcastSender<int> sender = commGroups[0].GetBroadcastSender<int>(operatorName);\n+            IBroadcastReceiver<int> receiver1 = commGroups[1].GetBroadcastReceiver<int>(operatorName);\n+            IBroadcastReceiver<int> receiver2 = commGroups[2].GetBroadcastReceiver<int>(operatorName);\n+\n+            Assert.NotNull(sender);\n+            Assert.NotNull(receiver1);\n+            Assert.NotNull(receiver2);\n+\n+            sender.Send(value);\n+            Assert.Equal(value, receiver1.Receive());\n+\n+            var token = new CancellationTokenSource();","path":"lang/cs/Org.Apache.REEF.Network.Tests/GroupCommunication/GroupCommunicationTests.cs","position":37,"original_position":37,"commit_id":"36bc2c3641ec338ecc65a9df9801625d1a66bd38","original_commit_id":"36bc2c3641ec338ecc65a9df9801625d1a66bd38","user":{"login":"jwang98052","id":5666504,"avatar_url":"https://avatars.githubusercontent.com/u/5666504?v=3","gravatar_id":"","url":"https://api.github.com/users/jwang98052","html_url":"https://github.com/jwang98052","followers_url":"https://api.github.com/users/jwang98052/followers","following_url":"https://api.github.com/users/jwang98052/following{/other_user}","gists_url":"https://api.github.com/users/jwang98052/gists{/gist_id}","starred_url":"https://api.github.com/users/jwang98052/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwang98052/subscriptions","organizations_url":"https://api.github.com/users/jwang98052/orgs","repos_url":"https://api.github.com/users/jwang98052/repos","events_url":"https://api.github.com/users/jwang98052/events{/privacy}","received_events_url":"https://api.github.com/users/jwang98052/received_events","type":"User","site_admin":false},"body":"That's a better scenario. I have updated the test with it. ","created_at":"2016-07-07T01:16:49Z","updated_at":"2016-07-07T01:16:49Z","html_url":"https://github.com/apache/reef/pull/1052#discussion_r69838751","pull_request_url":"https://api.github.com/repos/apache/reef/pulls/1052","_links":{"self":{"href":"https://api.github.com/repos/apache/reef/pulls/comments/69838751"},"html":{"href":"https://github.com/apache/reef/pull/1052#discussion_r69838751"},"pull_request":{"href":"https://api.github.com/repos/apache/reef/pulls/1052"}}},"pull_request":{"url":"https://api.github.com/repos/apache/reef/pulls/1052","id":75047232,"html_url":"https://github.com/apache/reef/pull/1052","diff_url":"https://github.com/apache/reef/pull/1052.diff","patch_url":"https://github.com/apache/reef/pull/1052.patch","issue_url":"https://api.github.com/repos/apache/reef/issues/1052","number":1052,"state":"open","locked":false,"title":"[REEF-1466] Cancel the blocking message reading and close the task properly","user":{"login":"jwang98052","id":5666504,"avatar_url":"https://avatars.githubusercontent.com/u/5666504?v=3","gravatar_id":"","url":"https://api.github.com/users/jwang98052","html_url":"https://github.com/jwang98052","followers_url":"https://api.github.com/users/jwang98052/followers","following_url":"https://api.github.com/users/jwang98052/following{/other_user}","gists_url":"https://api.github.com/users/jwang98052/gists{/gist_id}","starred_url":"https://api.github.com/users/jwang98052/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/jwang98052/subscriptions","organizations_url":"https://api.github.com/users/jwang98052/orgs","repos_url":"https://api.github.com/users/jwang98052/repos","events_url":"https://api.github.com/users/jwang98052/events{/privacy}","received_events_url":"https://api.github.com/users/jwang98052/received_events","type":"User","site_admin":false},"body":"Add cancellation token to GC and Network API as an optional parameter\r\nUpdate IMRU tasks to pass cancelation token\r\nUpdate close handler to cancel the token\r\nTest case update\r\n\r\nJIRA: [REEF-1466](https://issues.apache.org/jira/browse/REEF-1466)\r\nThis 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