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Posted to commits@hc.apache.org by ol...@apache.org on 2017/04/24 10:06:38 UTC

svn commit: r1792448 - in /httpcomponents/httpcore/trunk: httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/ httpcore5/src/main/java/org/apache/hc/core5/concurrent/ httpcore5/src/test/java/org/apache/hc/core5/concurrent/

Author: olegk
Date: Mon Apr 24 10:06:38 2017
New Revision: 1792448

URL: http://svn.apache.org/viewvc?rev=1792448&view=rev
Log:
HTTPCORE-456: BasicFuture fails to honor Future interface contract by not throwing CancellationException when cancelled

Modified:
    httpcomponents/httpcore/trunk/httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/Http1IntegrationTest.java
    httpcomponents/httpcore/trunk/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java
    httpcomponents/httpcore/trunk/httpcore5/src/test/java/org/apache/hc/core5/concurrent/TestBasicFuture.java

Modified: httpcomponents/httpcore/trunk/httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/Http1IntegrationTest.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpcore/trunk/httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/Http1IntegrationTest.java?rev=1792448&r1=1792447&r2=1792448&view=diff
==============================================================================
--- httpcomponents/httpcore/trunk/httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/Http1IntegrationTest.java (original)
+++ httpcomponents/httpcore/trunk/httpcore5-testing/src/test/java/org/apache/hc/core5/testing/nio/Http1IntegrationTest.java Mon Apr 24 10:06:38 2017
@@ -52,6 +52,7 @@ import java.util.Map;
 import java.util.Queue;
 import java.util.Random;
 import java.util.StringTokenizer;
+import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
@@ -1212,9 +1213,8 @@ public class Http1IntegrationTest extend
         Assert.assertEquals("Hi back", entity2);
 
         try {
-            final Message<HttpResponse, String> result3 = future3.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
-            Assert.assertNull(result3);
-            Assert.assertTrue(future3.isCancelled());
+            future3.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
+            Assert.fail("ExecutionException expected");
         } catch (final ExecutionException ignore) {
         }
 
@@ -1222,9 +1222,12 @@ public class Http1IntegrationTest extend
                 new BasicRequestProducer("POST", createRequestURI(serverEndpoint, "/hello-3"),
                         new BasicAsyncEntityProducer("Hi there")),
                 new BasicResponseConsumer<>(new StringAsyncEntityConsumer()), null);
-        final Message<HttpResponse, String> result4 = future4.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
-        Assert.assertNull(result4);
-        Assert.assertTrue(future4.isCancelled());
+        try {
+            future4.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
+            Assert.fail("CancellationException expected");
+        } catch (CancellationException ignore) {
+            Assert.assertTrue(future4.isCancelled());
+        }
     }
 
     @Test
@@ -1276,10 +1279,10 @@ public class Http1IntegrationTest extend
         Assert.assertTrue(entity2.length() > 0);
 
         try {
-            final Message<HttpResponse, String> result3 = future3.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
-            Assert.assertNull(result3);
+            future3.get(TIMEOUT.getDuration(), TIMEOUT.getTimeUnit());
+            Assert.fail("CancellationException expected");
+        } catch (final CancellationException ignore) {
             Assert.assertTrue(future3.isCancelled());
-        } catch (final ExecutionException ignore) {
         }
     }
 

Modified: httpcomponents/httpcore/trunk/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpcore/trunk/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java?rev=1792448&r1=1792447&r2=1792448&view=diff
==============================================================================
--- httpcomponents/httpcore/trunk/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java (original)
+++ httpcomponents/httpcore/trunk/httpcore5/src/main/java/org/apache/hc/core5/concurrent/BasicFuture.java Mon Apr 24 10:06:38 2017
@@ -26,6 +26,7 @@
  */
 package org.apache.hc.core5.concurrent;
 
+import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.Future;
 import java.util.concurrent.TimeUnit;
@@ -69,6 +70,9 @@ public class BasicFuture<T> implements F
         if (this.ex != null) {
             throw new ExecutionException(this.ex);
         }
+        if (cancelled) {
+            throw new CancellationException();
+        }
         return this.result;
     }
 

Modified: httpcomponents/httpcore/trunk/httpcore5/src/test/java/org/apache/hc/core5/concurrent/TestBasicFuture.java
URL: http://svn.apache.org/viewvc/httpcomponents/httpcore/trunk/httpcore5/src/test/java/org/apache/hc/core5/concurrent/TestBasicFuture.java?rev=1792448&r1=1792447&r2=1792448&view=diff
==============================================================================
--- httpcomponents/httpcore/trunk/httpcore5/src/test/java/org/apache/hc/core5/concurrent/TestBasicFuture.java (original)
+++ httpcomponents/httpcore/trunk/httpcore5/src/test/java/org/apache/hc/core5/concurrent/TestBasicFuture.java Mon Apr 24 10:06:38 2017
@@ -26,6 +26,7 @@
  */
 package org.apache.hc.core5.concurrent;
 
+import java.util.concurrent.CancellationException;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
@@ -118,7 +119,11 @@ public class TestBasicFuture {
         Assert.assertNull(callback.getException());
         Assert.assertTrue(callback.isCancelled());
 
-        Assert.assertNull(future.get());
+        try {
+            future.get();
+            Assert.fail("CancellationException expected");
+        } catch (final CancellationException ex) {
+        }
         Assert.assertTrue(future.isDone());
         Assert.assertTrue(future.isCancelled());
     }
@@ -175,7 +180,7 @@ public class TestBasicFuture {
         Assert.assertFalse(future.isCancelled());
     }
 
-    @Test
+    @Test(expected = CancellationException.class)
     public void testAsyncCancelled() throws Exception {
         final BasicFuture<Object> future = new BasicFuture<>(null);
 
@@ -193,9 +198,7 @@ public class TestBasicFuture {
         };
         t.setDaemon(true);
         t.start();
-        Assert.assertNull(future.get(60, TimeUnit.SECONDS));
-        Assert.assertTrue(future.isDone());
-        Assert.assertTrue(future.isCancelled());
+        future.get(60, TimeUnit.SECONDS);
     }
 
     @Test(expected=TimeoutException.class)