201405.mbox/raw/%3c20140512064218.36ABB2388BBD@eris.apache.org%3e

+    package org.apache.onami.persist;
+
+    /*
+     * 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.
+     */
+
+    import org.junit.Before;
+    import org.junit.Test;
+
+    import static org.hamcrest.CoreMatchers.is;
+    import static org.hamcrest.CoreMatchers.sameInstance;
+    import static org.junit.Assert.assertThat;
+    import static org.junit.Assert.fail;
+
+    /**
+     * Test for {@link AggregatedException}.
+     */
+    public class AggregatedExceptionTest
+    {
+        private AggregatedException.Builder sut;
+
+        @Before
+        public void setUp()
+            throws Exception
+        {
+            sut = new AggregatedException.Builder();
+        }
+
+        @Test
+        public void shouldNotThrowAnythingWhenEmpty()
+        {
+            sut.throwRuntimeExceptionIfHasCauses( "test msg" );
+        }
+
+        @Test
+        public void shouldThrowAggregatedExceptionWithAllCollectedExceptions()
+        {
+            final Exception e0 = new Exception();
+            final Exception e1 = new Exception();
+
+            try
+            {
+                sut.add( e0 );
+                sut.add( e1 );
+                sut.throwRuntimeExceptionIfHasCauses( "test msg" );
+            }
+
+            catch ( AggregatedException e )
+            {
+                assertThat( e.getNumCauses(), is( 2 ) );
+                assertThat( e.getCauses()[0], sameInstance( (Throwable) e0 ) );
+                assertThat( e.getCauses()[1], sameInstance( (Throwable) e1 ) );
+                return;
+            }
+
+            fail( "must throw AggregatedException" );
+        }
+
+        @Test
+        public void shouldThrowOriginalExceptionWhenOnlyOne()
+        {
+            Exception e0 = new RuntimeException(  );
+
+            try
+            {
+                sut.add( e0 );
+                sut.throwRuntimeExceptionIfHasCauses( "test msg" );
+            }
+
+            catch ( RuntimeException e )
+            {
+                assertThat( e, sameInstance( (Throwable) e0 ) );
+                return;
+            }
+
+            fail( "must throw RuntimeException" );
+        }
+    }
+