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From rob...@apache.org
Subject svn commit: r1627570 - in /qpid/proton/trunk/proton-j/src: main/java/org/apache/qpid/proton/amqp/Binary.java test/java/org/apache/qpid/proton/amqp/BinaryTest.java
Date Thu, 25 Sep 2014 16:38:08 GMT
Author: robbie
Date: Thu Sep 25 16:38:08 2014
New Revision: 1627570

URL: http://svn.apache.org/r1627570
Log:
PROTON-698: return false if given object class differs, and shortcut equality of the object
with itself

Added:
    qpid/proton/trunk/proton-j/src/test/java/org/apache/qpid/proton/amqp/BinaryTest.java
Modified:
    qpid/proton/trunk/proton-j/src/main/java/org/apache/qpid/proton/amqp/Binary.java

Modified: qpid/proton/trunk/proton-j/src/main/java/org/apache/qpid/proton/amqp/Binary.java
URL: http://svn.apache.org/viewvc/qpid/proton/trunk/proton-j/src/main/java/org/apache/qpid/proton/amqp/Binary.java?rev=1627570&r1=1627569&r2=1627570&view=diff
==============================================================================
--- qpid/proton/trunk/proton-j/src/main/java/org/apache/qpid/proton/amqp/Binary.java (original)
+++ qpid/proton/trunk/proton-j/src/main/java/org/apache/qpid/proton/amqp/Binary.java Thu Sep
25 16:38:08 2014
@@ -50,6 +50,7 @@ public final class Binary
         return ByteBuffer.wrap(_data, _offset, _length);
     }
 
+    @Override
     public final int hashCode()
     {
         int hc = _hashCode;
@@ -64,13 +65,20 @@ public final class Binary
         return hc;
     }
 
+    @Override
     public final boolean equals(Object o)
     {
-        Binary buf = (Binary) o;
-        if(o == null)
+        if (this == o)
+        {
+            return true;
+        }
+
+        if (o == null || getClass() != o.getClass())
         {
             return false;
         }
+
+        Binary buf = (Binary) o;
         final int size = _length;
         if (size != buf._length)
         {

Added: qpid/proton/trunk/proton-j/src/test/java/org/apache/qpid/proton/amqp/BinaryTest.java
URL: http://svn.apache.org/viewvc/qpid/proton/trunk/proton-j/src/test/java/org/apache/qpid/proton/amqp/BinaryTest.java?rev=1627570&view=auto
==============================================================================
--- qpid/proton/trunk/proton-j/src/test/java/org/apache/qpid/proton/amqp/BinaryTest.java (added)
+++ qpid/proton/trunk/proton-j/src/test/java/org/apache/qpid/proton/amqp/BinaryTest.java Thu
Sep 25 16:38:08 2014
@@ -0,0 +1,108 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+package org.apache.qpid.proton.amqp;
+
+import static org.junit.Assert.*;
+
+import java.util.Arrays;
+
+import org.junit.Test;
+
+public class BinaryTest
+{
+
+    @Test
+    public void testNotEqualsWithDifferentTypeObject()
+    {
+        Binary bin = createSteppedValueBinary(10);
+
+        assertFalse("Objects should not be equal with different type", bin.equals("not-a-Binary"));
+    }
+
+    @Test
+    public void testEqualsWithItself()
+    {
+        Binary bin = createSteppedValueBinary(10);
+
+        assertTrue("Object should be equal to itself", bin.equals(bin));
+    }
+
+    @Test
+    public void testEqualsWithDifferentBinaryOfSameLengthAndContent()
+    {
+        int length = 10;
+        Binary bin1 = createSteppedValueBinary(length);
+        Binary bin2 = createSteppedValueBinary(length);
+
+        assertTrue("Objects should be equal", bin1.equals(bin2));
+        assertTrue("Objects should be equal", bin2.equals(bin1));
+    }
+
+    @Test
+    public void testEqualsWithDifferentLengthBinaryOfDifferentBytes()
+    {
+        int length1 = 10;
+        Binary bin1 = createSteppedValueBinary(length1);
+        Binary bin2 = createSteppedValueBinary(length1 + 1);
+
+        assertFalse("Objects should not be equal", bin1.equals(bin2));
+        assertFalse("Objects should not be equal", bin2.equals(bin1));
+    }
+
+    @Test
+    public void testEqualsWithDifferentLengthBinaryOfSameByte()
+    {
+        Binary bin1 = createNewRepeatedValueBinary(10, (byte) 1);
+        Binary bin2 = createNewRepeatedValueBinary(123, (byte) 1);
+
+        assertFalse("Objects should not be equal", bin1.equals(bin2));
+        assertFalse("Objects should not be equal", bin2.equals(bin1));
+    }
+
+    @Test
+    public void testEqualsWithDifferentContentBinary()
+    {
+        int length = 10;
+        Binary bin1 = createNewRepeatedValueBinary(length, (byte) 1);
+
+        Binary bin2 = createNewRepeatedValueBinary(length, (byte) 1);
+        bin2.getArray()[5] = (byte) 0;
+
+        assertFalse("Objects should not be equal", bin1.equals(bin2));
+        assertFalse("Objects should not be equal", bin2.equals(bin1));
+    }
+
+    private Binary createSteppedValueBinary(int length) {
+        byte[] bytes = new byte[length];
+        for (int i = 0; i < length; i++) {
+            bytes[i] = (byte) (length - i);
+        }
+
+        return new Binary(bytes);
+    }
+
+    private Binary createNewRepeatedValueBinary(int length, byte repeatedByte){
+        byte[] bytes = new byte[length];
+        Arrays.fill(bytes, repeatedByte);
+
+        return new Binary(bytes);
+    }
+}



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