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Posted to dev@tomcat.apache.org by kk...@apache.org on 2011/09/28 22:39:07 UTC

svn commit: r1177053 - in /tomcat/tc7.0.x/trunk: ./ test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java

Author: kkolinko
Date: Wed Sep 28 20:39:07 2011
New Revision: 1177053

URL: http://svn.apache.org/viewvc?rev=1177053&view=rev
Log:
Merged revision 1177050 from tomcat/trunk:
Improve TestGroupChannelMemberArrival
1. Add synchronization when accessing TestMbrListener.members.
This should fix the failures observed by Gump.
2. Remove unused method #clear().
3. Improve messages printed to System.out during the test
4. Print messages when memberAdded()/memberDisappeared() performed no work.

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Sep 28 20:39:07 2011
@@ -1 +1 @@
-/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096,1173241,1173256
 ,1173288,1173333,1173342,1173461,1173614,1173630,1173659,1173722,1174061,1174239,1174322,1174325,1174329-1174330,1174337-1174339,1174343,1174353,1174799,1174882,1174884,1174983,1175155,1175158,1175167,1175182,1175190,1175201,1175272,1175275,1175283,1175582,1175589-1175590,1175594,1175602,1175613,1175633,1175713,1175889,1175896,1175907,1176584,1176590,1176799
+/tomcat/trunk:1156115,1156171,1156276,1156304,1156519,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166752,1166757,1167368,1167394,1169447,1170647,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172610,1172664,1172689,1172711,1173020-1173021,1173082,1173088,1173090,1173096,1173241,1173256
 ,1173288,1173333,1173342,1173461,1173614,1173630,1173659,1173722,1174061,1174239,1174322,1174325,1174329-1174330,1174337-1174339,1174343,1174353,1174799,1174882,1174884,1174983,1175155,1175158,1175167,1175182,1175190,1175201,1175272,1175275,1175283,1175582,1175589-1175590,1175594,1175602,1175613,1175633,1175713,1175889,1175896,1175907,1176584,1176590,1176799,1177050

Modified: tomcat/tc7.0.x/trunk/test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java?rev=1177053&r1=1177052&r2=1177053&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java (original)
+++ tomcat/tc7.0.x/trunk/test/org/apache/catalina/tribes/group/TestGroupChannelMemberArrival.java Wed Sep 28 20:39:07 2011
@@ -41,13 +41,6 @@ public class TestGroupChannelMemberArriv
             channels[i].getMembershipService().setPayload( ("Channel-" + (i + 1)).getBytes("ASCII"));
             listeners[i] = new TestMbrListener( ("Listener-" + (i + 1)));
             channels[i].addMembershipListener(listeners[i]);
-
-        }
-    }
-
-    public void clear() {
-        for (int i = 0; i < channels.length; i++) {
-            listeners[i].members.clear();
         }
     }
 
@@ -70,11 +63,24 @@ public class TestGroupChannelMemberArriv
             };
             threads[i] = t;
         }
-        for (int i=0; i<threads.length; i++ ) threads[i].start();
-        for (int i=0; i<threads.length; i++ ) threads[i].join();
+        for (int i = 0; i < threads.length; i++) {
+            threads[i].start();
+        }
+        for (int i = 0; i < threads.length; i++) {
+            threads[i].join();
+        }
         Thread.sleep(2000);
-        System.out.println("All channels started.");
-        for (int i=listeners.length-1; i>=0; i-- ) assertEquals("Checking member arrival length",channels.length-1,listeners[i].members.size());
+        System.out.println(System.currentTimeMillis()
+                + " All channels started.");
+        for (int i = listeners.length - 1; i >= 0; i--) {
+            TestMbrListener listener = listeners[i];
+            synchronized (listener.members) {
+                assertEquals("Checking member arrival length (" + listener.name
+                        + ")", channels.length - 1, listener.members.size());
+            }
+        }
+        System.out.println(System.currentTimeMillis()
+                + " Members arrival counts checked.");
     }
 
     @After
@@ -96,31 +102,55 @@ public class TestGroupChannelMemberArriv
             this.name = name;
         }
 
-        public ArrayList<Member> members = new ArrayList<Member>();
+        public ArrayList<Member> members = new ArrayList<Member>(1);
+
         @Override
         public void memberAdded(Member member) {
-            if (!members.contains(member)) {
-                members.add(member);
-                try {
-                    System.out.println(name + ":member added[" + new String(member.getPayload(), "ASCII") + "; Thread:"+Thread.currentThread().getName()+"]");
-                } catch (Exception x) {
-                    System.out.println(name + ":member added[unknown]");
+            String msg;
+            int count;
+            synchronized (members) {
+                if (!members.contains(member)) {
+                    members.add(member);
+                    msg = "member added";
+                } else {
+                    msg = "member added called, but member is already in the list";
                 }
+                count = members.size();
             }
+            report(msg, member, count);
         }
 
         @Override
         public void memberDisappeared(Member member) {
-            if (members.contains(member)) {
-                members.remove(member);
-                try {
-                    System.out.println(name + ":member disappeared[" + new String(member.getPayload(), "ASCII") + "; Thread:"+Thread.currentThread().getName()+"]");
-                } catch (Exception x) {
-                    System.out.println(name + ":member disappeared[unknown]");
+            String msg;
+            int count;
+            synchronized (members) {
+                if (members.contains(member)) {
+                    members.remove(member);
+                    msg = "member disappeared";
+                } else {
+                    msg = "member disappeared called, but there is no such member in the list";
                 }
+                count = members.size();
             }
+            report(msg, member, count);
         }
 
+        private void report(String event, Member member, int count) {
+            StringBuilder message = new StringBuilder(100);
+            message.append(System.currentTimeMillis()).append(' ').append(name)
+                    .append(':').append(event).append(", has ").append(count)
+                    .append(" members now. Member:[");
+            try {
+                message.append(new String(member.getPayload(), "ASCII"));
+            } catch (Exception x) {
+                message.append("unknown");
+            }
+            Thread t = Thread.currentThread();
+            message.append("]; Thread:").append(t.getName()).append(", hash:")
+                    .append(t.hashCode());
+            System.out.println(message);
+        }
     }
 
 }



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