svn commit: r1164069 - /cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java

[sl...@apache.org]

Author: slebresne
Date: Thu Sep  1 13:19:54 2011
New Revision: 1164069

URL: http://svn.apache.org/viewvc?rev=1164069&view=rev
Log:
Add file missing from previous commit

Added:
    cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java

Added: cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java?rev=1164069&view=auto
==============================================================================
--- cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java (added)
+++ cassandra/branches/cassandra-0.8/test/unit/org/apache/cassandra/db/marshal/ReversedTypeTest.java Thu Sep  1 13:19:54 2011
@@ -0,0 +1,40 @@
+/*
+* 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.cassandra.db.marshal;
+
+import org.junit.Test;
+
+import static org.apache.cassandra.utils.ByteBufferUtil.bytes;
+import static org.apache.cassandra.utils.ByteBufferUtil.EMPTY_BYTE_BUFFER;
+
+public class ReversedTypeTest
+{
+    @Test
+    public void testReverseComparison()
+    {
+        ReversedType<Long> t = ReversedType.getInstance(LongType.instance);
+
+        assert t.compare(bytes(2L), bytes(4L)) == 1;
+        assert t.compare(bytes(4L), bytes(2L)) == -1;
+
+        // the empty byte buffer is always the smaller
+        assert t.compare(EMPTY_BYTE_BUFFER, bytes(2L)) == -1;
+        assert t.compare(bytes(2L), EMPTY_BYTE_BUFFER) == 1;
+    }
+}